Schematic Reference: Door Lock/Indicator Schematics

Connector End View Reference: Power Door Systems Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Connect a scan tool.
2. Turn the ignition ON, with the engine OFF.
3. Read the current personalization setting for the automatic door lock mode.

Is the personalization setting correct?

Go to Step 3

Go to Vehicle Personalization in Personalization

Verify that the fault is present.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 4

Verify that the power door locks operate correctly.

Do the power door locks operate correctly?

Go to Step 5

Go to Symptoms - Doors

Close all the doors.

Do the courtesy lamps go out?

Go to Step 8

Go to Step 6

Test the door jamb switch signal circuits to the body control module (BCM) for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 7

Replace the defective door jamb switch. Refer to Rear Door Jamb Switch Replacement in Lighting Systems.

Did you complete the repair?

Go to Step 9

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Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the repair?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2