MBE 900 4000 Troubleshooting

Section 18.2 Troubleshooting SIDS 1–6

Section 18.2
Troubleshooting SIDS 1–6

Refer to the following illustrations when troubleshooting SIDs 1–6.‪

See Figure "Injector Unit Pump Wiring on 6-Cylinder Engine" for injector unit pump locations on the 6-cylinder engine.‪

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 1. Unit Pump No. 1‪

 4. Unit Pump No. 4‪

 2. Unit Pump No. 2‪

 5. Unit Pump No. 5‪

 3. Unit Pump No. 3‪

 6. Unit Pump No. 6‪

Figure 1. Injector Unit Pump Wiring on 6-Cylinder Engine

See Figure "Injector Unit Pump Wiring on 4-Cylinder Engine" for the injector unit pump wiring on the 4-cylinder engine.‪

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 1. Unit Pump No. 1‪

 3. Unit Pump No. 3‪

 2. Unit Pump No. 2‪

 4. Unit Pump No. 4‪

Figure 2. Injector Unit Pump Wiring on 4-Cylinder Engine

See Figure "Injector Unit Pump Wiring on 6-Cylinder Engine" for the injector unit pump wiring on the 6-cylinder engine.‪

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 1. Unit Pump No. 1‪

 4. Unit Pump No. 4‪

 2. Unit Pump No. 2‪

 5. Unit Pump No. 5‪

 3. Unit Pump No. 3‪

 6. Unit Pump No. 6‪

Figure 3. Injector Unit Pump Wiring on 6-Cylinder Engine

See Figure "Terminal Locations on Injector Unit Pump" for the injector unit pump wiring on the 4-cylinder engine.‪

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 1. Unit Pump‪

 3. Terminal‪

 2. Terminal‪

 ‪

Figure 4. Terminal Locations on Injector Unit Pump

Troubleshoot SIDs 1–6 as follows:‪

Section 18.2.1
001 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 168 04 is active in addition to code 001 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If following fault codes are active in addition to code 001 05, refer to "18.2.1.1 Required Action" :
    3. 6-Cylinder Engine – 002 05 and 003 05.
    4. 4-Cylinder Engine – 002 05.
    5. If following fault codes are active in addition to code 001 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" :
    6. 6-Cylinder Engine – 168 04 and 003 05.
    7. 4-Cylinder Engine – 168 04 and 002 05.
    8. If only fault code 001 05 is active with no additional fault codes, go to step 2 .
  2. Bridge terminals K10 and K11 of unit pump 1.
    1. If new fault 001 06 is not active when bridging terminals, repair open circuit in 55-pin connector wire 54 attached to terminal K10 of unit pump 1. Erase fault code memory.See Figure "Injector Unit Pump Wiring on 6-Cylinder Engine" .
    2. If new fault 001 06 is active when bridging terminals, go to step 3 .
  3. Swap the unit pump.
    1. If fault code 001 05 is not active after swapping pump, replace the original unit pump. Erase fault code memory.
    2. If fault code 001 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 001 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 001 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.1.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault. See Figure "Injector Unit Pump Wiring on 6-Cylinder Engine" .‪

  1. Repair open circuit in the following 55-pin connector wire:
    • 6-Cylinder Engine – Wire 16 attached to terminal K11 of unit pump 1 or terminal K15 of unit pump 3 or terminal K12 of unit pump 2.
    • 4-Cylinder Engine – Wire 16 attached to terminal K11 of unit pump 1 or terminal K12 of unit pump 2.
  2. Erase fault code memory.

Section 18.2.2
002 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 168 04 is active in addition to code 002 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If following fault codes are active in addition to 002 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. 6-Cylinder Engine – 168 04 and 001 05 and 003 05.
    4. 4-Cylinder Engine – 168 04 and 001 05.
    5. If following fault codes are active in addition to 002 05, refer to "18.2.2.1 Required Action" :
    6. 6-Cylinder Engine – 001 05 and 003 05.
    7. 4-Cylinder Engine – 001 05.
    8. If only fault code 002 05 is active with no additional fault codes, go to step 2 .
  2. Bridge the following unit pump terminals:
    1. 6-Cylinder Engine – K12 and K13 on injector unit pump 2.
    2. 4-Cylinder Engine – K12 and K13 on unit pump 2.
    3. If new fault 002 06 is not active on 6-cylinder engines or if new fault 001 06 is not active on 4-cylinder engines while bridging terminals, refer to "18.2.2.2 Required Action" .
    4. If new fault 002 06 is active on 6-cylinder engines or if new fault code 001 06 is active on 4-cylinder engines while bridging terminals, go to step 3 .
  3. Swap unit pump.
    1. If fault 002 05 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 002 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 002 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 002 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.2.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire:
    • 6-Cylinder Engine – Wire 16 attached to terminal K11 of injector unit pump 1 or terminal K12 of unit pump 2 or terminal K15 of unit pump 3.
    • 4-Cylinder Engine – Wire 16 attached to terminal K11 of injector unit pump 1 or terminal K12 of unit pump 2
  2. Erase fault code memory.
Section 18.2.2.2
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire:
    • 6-Cylinder Engine – Wire 47 attached to terminal K13 of injector unit pump 3.
    • 4-Cylinder Engine – Wire 16 attached to terminal K12 of injector unit pump 2.
  2. Erase fault code memory.

Section 18.2.3
003 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 168 04 is active in addition to code 003 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If following fault codes are active in addition to 003 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" :
    3. 6-Cylinder Engine – 168 04 and 001 05 and 002 05.
    4. 4-Cylinder Engine – 168 04 and 004 05.
    5. If following fault codes are active in addition to 003 05, refer to "18.2.3.1 Required Action" :
    6. 6-Cylinder Engine – 001 05 and 004 05.
    7. 4-Cylinder Engine – 004 05.
    8. If only fault code 003 05 is active with no additional fault codes, go to step 2 .
  2. Bridge the following unit pump terminals:
    1. 6-Cylinder Engine – K14 and K15 on injector unit pump 3.
    2. 4-Cyl Eng. – K14 and K15 on unit pump 3.
    3. If new fault 003 06 is not active while bridging terminals, refer to "18.2.3.2 Required Action" .
    4. If new fault 003 06 is active while bridging terminals, go to step 3 .
  3. Swap unit pump.
    1. If fault 003 05 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 003 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 003 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 003 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.3.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire:
    • 6-Cyl Eng. – Wire 16 attached to terminal K11 of injector unit pump 1 or terminal K15 of unit pump 3 or terminal K12 of unit pump 2.
    • 4-Cyl Eng. – Wire 9 attached to terminal K15 of injector unit pump 3 or terminal K16 of unit pump 4.
  2. Erase fault code memory.
Section 18.2.3.2
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire:
    • 6-Cylinder Engine – Wire 53 attached to terminal K14 of injector unit pump 3.
    • 4-Cylinder Engine – Wire 45 attached to terminal K14 of injector unit pump 3.
  2. Erase fault code memory.

Section 18.2.4
004 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 168 04 is active in addition to code 004 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If following fault codes are active in addition to 004 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. 6-Cylinder Engine – 168 04 and 005 05 and 006 05.
    4. 4-Cylinder Engine – 168 04 and 003 05.
    5. If following fault codes are active in addition to 004 05, refer to "18.2.4.1 Required Action" :
    6. 6-Cylinder Engine – 005 05 and 006 05.
    7. 4-Cylinder Engine – 003 05.
    8. If only fault code 004 05 is active with no additional fault codes, go to step 2 .
  2. Bridge the following unit pump terminals:
    1. 6-Cylinder Engine – K38 and K58 on injector unit pump 4.
    2. 4-Cyl Eng. – K16 and K17 on injector unit pump 4.
    3. If new fault 004 06 is not active while bridging terminals, refer to "18.2.4.2 Required Action" .
    4. If new fault 004 06 is active while bridging terminals, go to step 3 .
  3. Swap unit pump.
    1. If fault 004 05 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 004 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 004 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 004 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.4.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in the following 55-pin connector wire:
    • 6-Cylinder Engine – Wire 9 attached to terminal K58 of injector unit pump 4 or terminal K18 of unit pump 5 or terminal K20 of unit pump 6.
    • 4-Cylinder Engine – Wire 9 attached to terminal K15 of injector unit pump 3 or terminal K16 of unit pump 4
  2. Erase fault code memory.
Section 18.2.4.2
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in the following 55-pin connector wire:
    • 6-Cylinder Engine – Wire 38 attached to terminal K38 of injector unit pump 4.
    • 4-Cylinder Engine – Wire 44 attached to terminal K17 of injector unit pump 4.
  2. Erase fault code memory.

Section 18.2.5
005 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 168 04 is active in addition to code 005 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If fault codes 168 04 and 004 05 and 006 05 are active in addition to 005 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If fault codes 004 05 and 006 05 are active in addition to 005 05, refer to "18.2.5.1 Required Action" .
    4. If only fault code 005 05 is active with no additional fault codes, go to step 2 .
  2. Bridge terminals K18 and K19 on injector unit pump 5.
    1. If new fault 005 06 is not active while bridging terminals, refer to "18.2.5.2 Required Action" .
    2. If new fault 005 06 is active while bridging terminals, go to step 3 .
  3. Swap unit pump.
    1. If fault 005 05 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 005 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 005 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 005 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.5.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair intermittent open circuit in 55-pin connector wire 9 attached to terminal K58 of injector unit pump 4 or terminal K18 of unit pump 5 or terminal K20 of unit pump 6.
  2. Erase fault code memory.
Section 18.2.5.2
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire 45 attached to terminal K19 of injector unit pump 5.
  2. Erase fault code memory.

Section 18.2.6
006 05 – Current Below Normal or Open Circuit

To troubleshoot a current below normal or open circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 168 04 is active in addition to code 006 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    2. If fault codes 168 04 and 004 05 and 005 05 are active in addition to 006 05, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If fault codes 004 05 and 005 05 are active in addition to 006 05, refer to "18.2.6.1 Required Action" .
    4. If only fault code 006 05 is active with no additional fault codes, go to step 2 .
  2. Bridge terminals K20 and K21 on injector unit pump 6.
    1. If new fault 006 06 is not active while bridging terminals, refer to "18.2.6.2 Required Action" .
    2. If new fault 006 06 is active while bridging terminals, go to step 3 .
  3. Swap unit pump.
    1. If fault 006 05 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 006 05 is still active after swapping pump, go to step 4 .
  4. Clean and check contacts.
    1. If fault code 006 05 is not active after cleaning and checking contacts, erase fault code memory.
    2. If fault code 006 05 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.6.1
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair intermittent open circuit in 55-pin connector wire 9 attached to terminal K58 of injector unit pump 4 or terminal K18 of unit pump 5 or terminal K20 of unit pump 6.
  2. Erase fault code memory.
Section 18.2.6.2
Required Action

Perform the following steps to resolve a current below normal or open circuit fault:‪

  1. Repair open circuit in 55-pin connector wire 9 attached to terminal K20 of injector unit pump 6.
  2. Erase fault code memory.

Section 18.2.7
001 06 Through 006 06 – Short Circuit

To troubleshoot an injector unit pump short circuit fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is active while the engine is running, go to step 2 .
    2. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is active after disconnecting pump, refer to "18.2.7.1 Required Action" .
  2. Measure the resistance between ground and the wire sides of injector unit pumps 1, 2, 3, 4, 5 or 6.
    1. If resistance is less than 30 kΩ on any wire, refer to "18.2.7.1 Required Action" .
    2. If resistance is more than 30 kΩ, go to step 3 .
  3. Swap the unit pump.
    1. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is still active after swapping pump, go to step 4 .
  4. Check and clean contacts as required.
    1. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is not active after checking and cleaning contacts, erase fault code memory.
    2. If fault code 001 06, 002 06, 003 06, 004 06, 005 06 or 006 06 is still active after cleaning and checking contacts, contact Detroit Diesel Technical Service for authorization to replace the PLD-MR. Set parameters on new PLD-MR.
Section 18.2.7.1
Required Action

Perform the following steps to resolve a short circuit fault:‪

  1. On 6-cylinder engines, repair short to ground in the required injector unit pump wire listed in Table "6-Cylinder Engine Injector Unit Pump Low Resistance Wires/Repair Wires" . See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires.

    Resistance Less than 30 kΩ in Injector Unit Pump Terminal Wire

    Repair Short to Ground in Injector Unit Pump Terminal Wire

    Unit Pump No.

    Terminal No.

    Wire No.

    Unit Pump No.

    Terminal No.

    Wire No.

    1‪

    K10‪

    54‪

    1‪

    K10‪

    54‪

    K11‪

    16‪

    1‪

    K11‪

    16‪

    2‪

    K12‪

    16‪

    3‪

    K15‪

    16‪

    3‪

    K14‪

    53‪

    3‪

    K14‪

    53‪

    K15‪

    16‪

    1‪

    K11‪

    16‪

    3‪

    K15‪

    16‪

    2‪

    K12‪

    16‪

    2‪

    K13‪

    47‪

    2‪

    K13‪

    47‪

    K12‪

    16‪

    1‪

    K11‪

    16‪

    2‪

    K12‪

    16‪

    3‪

    K15‪

    16‪

    5‪

    K19‪

    45‪

    5‪

    K19‪

    45‪

    K18‪

    9‪

    4‪

    K58‪

    9‪

    5‪

    K18‪

    9‪

    6‪

    K20‪

    9‪

    6‪

    K21‪

    44‪

    6‪

    K21‪

    44‪

    K20‪

    9‪

    4‪

    K58‪

    9‪

    5‪

    K18‪

    9‪

    6‪

    K20‪

    9‪

    4‪

    K38‪

    38‪

    4‪

    K38‪

    38‪

    K58‪

    9‪

    4‪

    K58‪

    9‪

    5‪

    K18‪

    9‪

    6‪

    K20‪

    9‪

    Table 5. 6-Cylinder Engine Injector Unit Pump Low Resistance Wires/Repair Wires
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     1. Unit Pump 1‪

     4. Unit Pump 4‪

     2. Unit Pump 2‪

     5. Unit Pump 5‪

     3. Unit Pump 3‪

     6. Unit Pump 6‪

    Figure 5. Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine

  2. On 4-cylinder engines, repair short to ground in the required injector unit pump wire listed in Table "4-Cylinder Engine Injector Unit Pump Low Resistance Wires/Repair Wires" . See Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires.

    Resistance Less than 30 kΩ in Injector Unit Pump Terminal Wire

    Repair Short to Ground in Injector Unit Pump Terminal Wire

    Unit Pump No.

    Terminal No.

    Wire No.

    Unit Pump No.

    Terminal No.

    Wire No.

    1‪

    K10‪

    54‪

    1‪

    K10‪

    54‪

    K11‪

    16‪

    1‪

    K11‪

    16‪

    2‪

    K12‪

    16‪

    2‪

    K13‪

    53‪

    2‪

    K13‪

    53‪

    K12‪

    16‪

    1‪

    K11‪

    16‪

    2‪

    K12‪

    16‪

    3‪

    K14‪

    45‪

    3‪

    K14‪

    45‪

    K15‪

    9‪

    3‪

    K15‪

    9‪

    4‪

    K16‪

    9‪

    4‪

    K17‪

    44‪

    4‪

    K17‪

    44‪

    K16‪

    9‪

    3‪

    K15‪

    9‪

    4‪

    K16‪

    9‪

    Table 7. 4-Cylinder Engine Injector Unit Pump Low Resistance Wires/Repair Wires
    Click to see this graphic in a separate window

     1. Unit Pump 1‪

     3. Unit Pump 3‪

     2. Unit Pump 2‪

     4. Unit Pump 4‪

    Figure 6. Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine

  3. Erase fault code memory.

Section 18.2.8
001 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 001 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 001 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 001 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 001 05 is produced, refer to "18.2.1 001 05 – Current Below Normal or Open Circuit" .
    4. If additional fault code 002 07 is produced, go to step 3 .
    5. If additional fault code 003 07 is produced, go to step 4 .
  3. Measure resistance between the following 55-pin connector wires. See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires on 6-cylinder engine and see Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires on 4-cylinder engines.
    1. Wire 54 to terminal K10 on unit pump 1.
    2. Wire 47 to terminal K13 on unit pump 2.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.8.1 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 5 .
  4. Measure resistance between the following 55-pin connector wires:
    1. Wire 54 to terminal K10 of unit pump 1.
    2. Wire 53 to terminal K14 of unit pump 3.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.8.2 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 5 .
  5. Swap unit pump. Start engine.
    1. If fault 001 07 is not active after swapping pump, replace original unit pump. Erase fault code memory.
    2. If fault 001 07 is still active after swapping pump, contact Detroit Diesel Technical Service.
Section 18.2.8.1
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wire:
    • Wire 54 to terminal K10 of unit pump 1.
    • Wire 47 to terminal K13 of unit pump 2.
  2. Erase fault code memory.
Section 18.2.8.2
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wires:
    • Wire 54 to terminal K10 of unit pump 1.
    • Wire 53 to terminal K14 of unit pump 3.
  2. Erase fault code memory.

Section 18.2.9
002 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 002 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 002 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 002 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 002 05 is produced, refer to "18.2.2 002 05 – Current Below Normal or Open Circuit" .
    4. If additional fault code 001 07 is produced, go to step 3 .
    5. If additional fault code 003 07 is produced, go to step 5 .
  3. Measure resistance between the following 55-pin connector wires. See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires on 6-cylinder engine and see Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires on 4-cylinder engines.
    1. Wire 54 to terminal K10 on unit pump 1.
    2. Wire 47 to terminal K13 on unit pump 2.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.9.1 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
  4. Swap unit pump. Start engine.
    1. If fault 002 07 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 002 07 is still active after swapping pump, contact Detroit Diesel Technical Service.
  5. Measure resistance between the following 55-pin connector wires:
    1. Wire 54 to terminal K10 of unit pump 1.
    2. Wire 53 to terminal K14 of unit pump 3.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.9.2 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
Section 18.2.9.1
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wire:
    • Wire 54 to terminal K10 of unit pump 1.
    • Wire 47 to terminal K13 of unit pump 2.
  2. Erase fault code memory.
Section 18.2.9.2
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wires:
    • Wire 47 to terminal K13 of unit pump 2.
    • Wire 53 to terminal K14 of unit pump 3.
  2. Erase fault code memory.

Section 18.2.10
003 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 003 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 003 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 003 05 is produced, refer to "18.2.3 003 05 – Current Below Normal or Open Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 003 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    4. If additional fault code 002 07 is produced, go to step 3 .
    5. If additional fault code 001 07 is produced, go to step 5 .
  3. Measure resistance between the following 55-pin connector wires. See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires on 6-cylinder engine and see Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires on 4-cylinder engines.
    1. Wire 53 to terminal K14 on unit pump 3.
    2. Wire 47 to terminal K13 on unit pump 2.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.10.1 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
  4. Swap unit pump. Start engine.
    1. If fault 003 07 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 003 07 is still active after swapping pump, contact Detroit Diesel Technical Service.
  5. Measure resistance between the following 55-pin connector wires:
    1. Wire 54 to terminal K10 of unit pump 1.
    2. Wire 53 to terminal K14 of unit pump 3.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.10.2 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
Section 18.2.10.1
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wire:
    • Wire 53 to terminal K14 of unit pump 3.
    • Wire 47 to terminal K13 of unit pump 2.
  2. Erase fault code memory.
Section 18.2.10.2
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wires:
    • Wire 54 to terminal K10 of unit pump 1.
    • Wire 53 to terminal K14 of unit pump 3.
  2. Erase fault code memory.

Section 18.2.11
004 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 004 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 004 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 004 05 is produced, refer to "18.2.4 004 05 – Current Below Normal or Open Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 004 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    4. If additional fault code 006 07 is produced, go to step 3 .
    5. If additional fault code 005 07 is produced, go to step 5 .
  3. Measure resistance between the following 55-pin connector wires. See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires on 6-cylinder engine and see Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires on 4-cylinder engines.
    1. Wire 44 to terminal K21 on unit pump 6.
    2. Wire 38 to terminal K38 on unit pump 4.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.11.1 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
  4. Swap unit pump. Start engine.
    1. If fault 004 07 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 004 07 is still active after swapping pump, contact Detroit Diesel Technical Service.
  5. Measure resistance between the following 55-pin connector wires:
    1. Wire 45 to terminal K19 of unit pump 5.
    2. Wire 38 to terminal K38 of unit pump 4.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.11.2 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
Section 18.2.11.1
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wire:
    • Wire 44 to terminal K21 of unit pump 6.
    • Wire 38 to terminal K38 of unit pump 4.
  2. Erase fault code memory.
Section 18.2.11.2
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wires:
    • Wire 38 to terminal K38 of unit pump 4.
    • Wire 45 to terminal K19 of unit pump 5.
  2. Erase fault code memory.

Section 18.2.12
005 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display.
    1. If fault code 005 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 005 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 005 05 is produced, refer to "18.2.5 005 05 – Current Below Normal or Open Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 005 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    4. If additional fault code 006 07 is produced, go to step 3 .
    5. If additional fault code 004 07 is produced, go to step 5 .
  3. Measure resistance between the following 55-pin connector wires. See Figure "Location of Unit Pumps, Terminals and Wires on 6-Cylinder Engine" for location of pump wires on 6-cylinder engine and see Figure "Location of Unit Pumps, Terminals and Wires on 4-Cylinder Engine" for location of pump wires on 4-cylinder engines.
    1. Wire 44 to terminal K21 on unit pump 6.
    2. Wire 45 to terminal K19 on unit pump 5.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.12.1 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
  4. Swap unit pump. Start engine.
    1. If fault 005 07 is not active after swapping pump, replace original cylinder unit pump. Erase fault code memory.
    2. If fault 005 07 is still active after swapping pump, contact Detroit Diesel Technical Service.
  5. Measure resistance between the following 55-pin connector wires:
    1. Wire 45 to terminal K19 of unit pump 5.
    2. Wire 38 to terminal K38 of unit pump 4.
    3. If resistance is not greater than 30 kΩ, refer to "18.2.12.2 Required Action" .
    4. If resistance is greater than 30 kΩ, go to step 4 .
Section 18.2.12.1
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wire:
    • Wire 44 to terminal K21 of unit pump 6.
    • Wire 45 to terminal K19 of unit pump 5.
  2. Erase fault code memory.
Section 18.2.12.2
Required Action

To resolve a no plunger fault, perform the following steps:‪

  1. Repair short circuit in the following 55-pin connector wires:
    • Wire 38 to terminal K38 of unit pump 4.
    • Wire 45 to terminal K19 of unit pump 5.
  2. Erase fault code memory.

Section 18.2.13
006 07 – No Plunger

To troubleshoot a no plunger fault, perform the following steps with unit pump connected and engine running:‪

  1. Check fault code display:
    1. If fault code 006 07 is not active after running the engine for at least 5 minutes, erase fault code memory.
    2. If fault code 006 07 is still active after running the engine for at least 5 minutes, go to step 2 .
  2. Check for additional fault codes:
    1. If additional fault code 006 05 is produced, refer to "18.2.6 006 05 – Current Below Normal or Open Circuit" .
    2. If additional fault code 168 04 is produced, refer to "14.2.1 168 03 – Battery Voltage High Fault" .
    3. If additional fault code 006 06 is produced, refer to "18.2.7 001 06 Through 006 06 – Short Circuit" .
    4. If additional fault code 005 07 is produced, go to step 3 .
    5. If additional fault code 004 07 is produced, go to step 5 .
    6. If only fault code 006 07 is active with no additional fault codes, Posted in MBE 900 4000 Troubleshooting

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