B2254

B2254-COLUMN LOCK MODULE INTERNAL

For a complete wiring diagram REFER to DIAGRAMS/ELECTRICAL


- When Monitored:
Continuously.

- Set Condition:
If the WIN does not receive the correct response message back from the Steering Column Lock Module.






Diagnostic Test


1. INTERMITTENT DTC
With the scan tool, erase the current WIN DTC's.
Turn the ignition off.
Arm the VTSS and wait one minute.
Disarm the VTSS and turn the ignition on.
Does the scan tool display the same DTC?

Yes


- Go To2


No


- The condition that caused this symptom is currently not present. Inspect the related wiring harness for a possible intermittent condition. Look for any chafed, pierced, pinched or partially broken wires.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test


2. (A306)/(A935) FUSED B+ CIRCUIT OPEN
Gain access to the Steering Column Lock Module.
Disconnect the Steering Column Lock Module connector.
Using a 12-volt test light connected to ground, check the (A306) and (A935) Fused B(+) circuits in the Steering Column Lock Module connector.
Does the test light illuminate brightly for both circuits?

Yes


- Go To3


No


- Repair the Fused B+ circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test


3. (Z906) GROUND CIRCUIT OPEN
Using a 12-volt test light connected to 12-volts, check the (Z906) Ground circuit at the Steering Column Lock Module connector.
Does the test light illuminate brightly?

Yes


- Go To4


No


- Repair the (Z906) Ground circuit for an open.
- Perform BODY VERIFICATION TEST - 1A.Body Verification Test


4. (D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN
Disconnect the WIN harness connector.
Measure the resistance of the (D508) COM-LIN Tire Pressure Monitor LAN circuit between the WIN and the Steering Column Lock Module connectors.
Is the resistance below 1.0 ohms?

Yes


- Replace the Steering Column Lock Module.
- Perform WIN VERIFICATION TEST.Theft and Security System Verification Test


No


- Repair the (D508) COM-LIN Tire Pressure Monitor LAN circuit for an open.
- Perform BODY VERIFICATION TEST - 1A.Body Verification Test