Test Step 1. Inspect Electrical Connectors and Wiring -807640323

145

TM 9-2320-312-24-2

Troubleshooting Section

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Illustration 24

Schematic for cab accelerator pedal position sensor

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Illustration 25

Terminal locations for ECM

Test Step 1. Inspect Electrical Connectors

P1:4

and Wiring

P1:5

A. Thoroughly inspect ECM vehicle harness

P1:66

connector J1/P1, the firewall bulkhead connector

and the accelerator pedal position sensor

C. Check the ECM connector (Allen Head Screw)

connector. Refer to Troubleshooting, "Electrical

for the proper torque of 6.0 Nm (55 lb in).

Connectors - Inspect" for details.

D. Check the harness and wiring for abrasion and

B. Perform a 45 N (10 lb) pull test on each of the

pinch points from the accelerator pedal position

wires in the ECM connector that are associated

sensor to the ECM.

with the accelerator pedal position sensor:

P1:3