Doors Do Not Unlock or Lock With the Transmitter
Doors Do Not Unlock or Lock With the Transmitter1. Do the door's unlock and lock when using the driver's door lock switch?
Yes - Go to the next step.
No - Repair the power door lock system.
2. Does the transmitter LED come on when any of the buttons are pressed?
Yes - Go to the next step.
No - Check the transmitter battery, then retest. If the doors still do not unlock or lock with the transmitter, go to the next step.
3. Recheck with a known good transmitter reprogrammed to the vehicle. Does the system work properly in all modes.
Yes - Replace and program the transmitter, then retest. Use the procedure for transmitter programming.
No - Go to the next step.
4. Run a jumper wire from terminal 9 of the keyless entry harness connector (B) to ground.
Do the doors unlock?
Yes - Go to the next step.
No - Repair the open in the terminal 9 (GRN/ORN) wire.
5. Run a jumper wire from terminal 10 of the keyless entry harness connector (B) to ground.
Do the doors lock?
Yes - Go to the next step.
No - Repair the open in the terminal 10 (GRN/WHT) wire.
6. Does the voltage at terminal 1 of the keyless entry harness connector (B) change from battery voltage when the key is not in the ignition, to less than 1 volt when the key is in the ignition?
Yes - Go to the next step.
No - Replace the ignition switch or repair the damaged terminal 1 (BLU/RED) wire.
7. Does the voltage at terminal 14 of the keyless entry harness connector (B) change from battery voltage when all the doors are closed, to less than 1 volt when any door is opened?
Yes - Replace the radio.
No - Repair the open in the terminal 14 (LT GRN/RED) wire.
8. Do the door's unlock and lock when using the driver's door lock switch?
Yes - Go to the next step.
No - Repair the power door lock system.
9. Does the transmitter LED come on when any of the buttons are pressed?
Yes - Go to the next step.
No - Check the transmitter battery, then retest. If the doors still do not unlock or lock with the transmitter, go to the next step.
10. Recheck with a known good transmitter reprogrammed to the vehicle. Does the system work properly in all modes.
Yes - Replace and program the transmitter, then retest. Use the procedure for transmitter programming.
No - Go to the next step.
11. Does the voltage at terminal 3 of the keyless door lock control unit connector change from battery voltage when the key is not in the ignition, to less than 1 volt when the key is in the ignition?
Yes - Go to the next step.
No - Replace the ignition switch or repair the damaged terminal 3 (BLU/RED) wire.
12. Does the voltage at terminal 12 of the keyless door lock control unit connector change from battery voltage when all the doors are closed, to less than 1 volt when any door is opened?
Yes- Replace the keyless door lock control unit.
No - Repair the open in the terminal 12 (LT GRN/RED) wire.