Step | Action | Yes | No |
|---|---|---|---|
DEFINITION: Use this diagnostic chart when the door unlock function is inoperative when using the keyless entry transmitter. All other keyless entry functions operate normally. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Press the door unlock button on the transmitter. Do the door locks operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Operate the door locks from the controls inside the vehicle. Do the door locks operate normally? | Go to Step 4 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
4 |
Important: Inspect that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter may pass this test, but will not activate the vehicle remote system.
Does a tone sound and the green light illuminate on the J 43241 after the button is pressed? | Go to Step 5 | Go to Step 7 |
5 | Test the body control module (BCM) portion of the lock relay control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
7 | Replace the transmitter. Refer to Transmitter Programming . Did you complete the replacement? | Go to Step 9 | -- |
8 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
