B1934

B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously

- Set Condition:
When the Driver Door Lock Switch Mux circuit is between 0.8 and 3.5 volts for over 10 seconds.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTCs
2. Operate the Driver Door Lock Switch in all positions several times.

NOTE: If at anytime, in the previous step, the switch stuck, replace the switch and start this test from the beginning.

3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read DTCs.

Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. DOOR LOCK SWITCH SHORTED




1. With the scan tool, erase DTCs.
2. Disconnect the Driver Window/Door Lock Switch C2 connector.
3. With the scan tool, read DTCs.

Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

No

- Replace the Driver Window/Door Lock Switch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

Yes

- Go To 3

3. (P697) DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Cluster C2 connector.
3. Measure the resistance between ground and the (P697) Door Lock Switch Mux circuit.

Is the resistance below 1.0 megohms (1,000,000)?

Yes

- Repair the (P697) Door Lock Switch Mux circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Instrument Cluster.
- Perform the BODY VERIFICATION TEST. Body Verification Test.