Test Step 2. Inspect Electrical Connectors and Wiring -807640440

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TM 9-2320-312-24-2

Troubleshooting Section

Test Step 2. Inspect Electrical Connectors

and Wiring.

g00724517

Illustration 96

Results:

A. Thoroughly inspect ECM engine harness

connector J2/P2 and the suspect sensor

OK Proceed to Test Step 3.

connector. Refer to Troubleshooting, "Electrical

Connectors - Inspect" for details.

Not OK

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

wires in the sensor connector and the ECM

Repair: Repair the connectors or wiring and/or

connector that are associated with the active

replace the connectors or wiring. Ensure that all

diagnostic code.

of the seals are properly in place and ensure that

the connectors are completely coupled.

Refer to Illustration 96.

Verify that the repair eliminates the problem.

C. Verify that the latch tab of the connector is

properly latched and that the latch tab of the

STOP.

connector has returned to the Fully Latching

Test Step 3. Verify that the Diagnostic

position.

Code is Still Active.

D. Check the ECM connector (allen head screw) for

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

A. Turn the ignition key switch to the ON position.

Wait at least 15 seconds for activation of the

E. Check the harness and wiring for abrasion and

diagnostic codes.

pinch points from the sensor to the ECM.

B. Access the "Active Diagnostic Code" screen

Expected Result:

of the electronic service tool. Check for active

diagnostic codes.

All connectors, pins and sockets should be

completely coupled and/or inserted and the harness

C. Determine if the problem is related to an

and wiring should be free of corrosion, abrasion

open circuit diagnostic code or a short circuit

or pinch points.

diagnostic code.