B1934

B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK - TIPM





For a complete wiring diagram Refer to Diagrams/Electrical.


- When Monitored:
Continuously

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







Theory of Operation


This trouble code is for the Left Door Lock Switch for all vehicles including right hand drive.


Diagnostic Test


1. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's
Operate the Left Door Lock Switch in all positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
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 BODY VERIFICATION TEST - VER 1. Body Verification Test




2. DOOR LOCK SWITCH SHORTED




With the scan tool, erase DTC's.
Disconnect the Left Door Lock Switch connector.
With the scan tool, read DTC's.
Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

No


- Replace the Left Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test


Yes


- Go To 3




3. (G161) LEFT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND




Turn the ignition off.
Disconnect the TIPM C7 connector.
Measure the resistance between ground and the (G161) Left Door Lock Switch Mux circuit.
Is the resistance below 10,000.0 ohms?

Yes


- Repair the (G161) Left Door Lock Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test


No


- Go To 4




4. (G161) LEFT DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) DOOR LOCK SWITCH RETURN CIRCUIT




Measure the resistance between the (G161) Left Door Lock Switch Mux circuit and the (P37) Door Lock Switch Return circuit in the Door Lock Switch Connector.
Is the resistance below 10,000.0 ohms?

Yes


- Repair the (G161) Left Door Lock Switch Mux circuit for a short to the (P37) Door Lock Switch Return circuit.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test


No


- Replace the Totally Integrated Power Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test