SPN 1636/FMI 4
A typical diagnosis is Intake Manifold Pressure/Temp Sensor Open Short to Ground.
Intake Air Manifold Pressure/Temp Sensor Circuit Failed Low
Perform the following steps to troubleshoot an Intake Air Manifold Pressure/Temp Sensor Circuit Failed Low fault:
Figure 1. Intake Air Temperature SensorRepair short to ground between pin 2 of the Intake Air Temperature Sensor and pin 106 of the MCM 120-pin connector.
Verify repairs as follows:
- Turn ignition OFF.
- Reconnect any electrical connections that were disconnected to perform the diagnosis.
- Clear codes with DDDL 7.0 or latest version.
- Start and bring engine up to operating temperature (over 140°F/60°C).
- 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 MBE 4000 DDEC VI Troubleshooting Guide - 6SE568|
|Generated on 10-13-2008|