Doors Do Not Unlock or Lock With the Transmitter
1. 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.