Section 35.2 SPN 175/FMI 4

Section 35.2
SPN 175/FMI 4

This diagnosis is typically oil temperature circuit failed low`.‪

Section 35.2.1
Short to Ground Check

Check as follows:‪

  1. Disconnect the EOT Sensor.
  2. Disconnect the 120–pin connector at the MCM.
  3. Measure the resistance across pins 1 and 2 of the EOT Sensor harness connector.
    1. If resistance is greater than 5 Ω, go to step 4 .
    2. If resistance is less than 5 Ω, repair short to ground between pins 55 and 108 of the 120-pin MCM connector.refer to "35.2.1.1 Verify Repairs" .
  4. Measure the resistance between pin 2 of the EOT Sensor harness connector and ground.
    1. If resistance is greater than 5 Ω, repeat steps 3 through 4 . If the results are the same, call the Detroit Diesel Customer Support Center (313–592–5800).
    2. If resistance is less than 5 Ω, repair the short circuit between pin 2 of the EOT Sensor harness connector and ground. Refer to "35.2.1.1 Verify Repairs" .
Section 35.2.1.1
Verify Repairs

Verify repairs as follows:‪

  1. Turn ignition OFF.
  2. Reconnect any electrical connections that were disconnected to perform the diagnosis.
  3. Clear codes with DDDL 7.0 or latest version.
  4. Start and bring engine up to operating temperature (over 140°F/60°C).
  5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.


EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567
Generated on 10-13-2008

Leave a Reply

Your email address will not be published.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