Group 36 Vehicle Control Unit, Fault Tracing MID 144 PPID 69 Buffered Idle Validation Switch MID 144 PPID 70 Pedal Switches, Supply MID 144 PPID 71 Cruise Control and Engine Brake, Switch Supply 10 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 3 • Abnormally high voltage or short circuit to higher voltage • Buffered IVS1 too high compared to IVS1 signal • Yellow Check lamp lit • Signal shorted high • Faulty harness FMI 4 • Abnormally low voltage or short circuit to lower voltage • Buffered IVS1 too low compared to IVS1 signal • Yellow Check lamp lit • Signal shorted low • Faulty harness Type of fault: FMI Description: Fault Condition:
Possible Symptoms: Possible Cause: FMI 4 • Abnormally low voltage or short circuit to lower voltage • Voltage below 3V • Yellow Check lamp lit • Faulty connector • Faulty harness • Supply voltage shorted low Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 4 • Abnormally low voltage or short circuit to lower voltage • Voltage below 3V • Yellow Check lamp lit • Engine will not supply requested fuel increase • Faulty connector • Faulty harness • Supply voltage shorted low