MBE 900 4000 Troubleshooting

Section 9.2 Troubleshooting PID 103

Section 9.2
Troubleshooting PID 103

There are two possible causes for this fault code: ‪

  • Failed sensor.
  • Sensor too close to the turbo shaft (not enough air gap).

Section 9.2.1
103 07 – Turbo No Revolution Fault

Troubleshoot a Turbo No Revolution fault as follows:‪

  1. With the engine stopped and at ambient temperature, unplug the TSS from the TSS connector. See Figure "Turbo Speed Sensor Location" .
  2. Measure the resistance between the sensor terminals. See Figure "Turbo Speed Sensor Terminal and Wire Locations" .
    Click to see this graphic in a separate window

    Figure 1. Turbo Speed Sensor Terminal and Wire Locations

    1. If resistance is approximately 900 Ω, refer to "9.2.1.1 Required Action" .
    2. If resistance is zero or higher than 950 Ω, replace the sensor.
Section 9.2.1.1
Required Action

Resolve a Turbo No Revolution fault as follows:‪

  1. Remove the TSS from the turbo shaft housing. See Figure "Turbo Speed Sensor Location" .
  2. Adjust the air gap by adding a 0.020 in. washer between the sensor body and the housing.
  3. Install the sensor into the turbo shaft housing.
  4. Start the engine and check for active codes.
    1. If any codes are still active, repeat steps 1 through .
    2. If no codes are active, troubleshooting is done.


MBE 900/4000 Troubleshooting Guide - 6SE422
Generated on 10-13-2008

Leave a Reply

Your email address will not be published. Required fields are marked *