Diagnostic Test
- TEST FOR INTERMITTENT CONDITION
- With the scan tool, record and erase DTCs
- Operate the Passenger Door Lock Switch in both positions several times.
- Cycle the ignition from on to off 3 times.
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display B1807-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?
Yes
- Go to step 2
No
- The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
- DOOR LOCK SWITCH SHORTED TO VOLTAGE
- With the scan tool, erase DTCs.
- Disconnect the Passenger Window/Door Lock Switch connector.
- With the scan tool, read DTCs.
Does the scan tool display PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT HIGH?
No
- Replace the Window/Door Lock Switch.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
Yes
- Go to step 3
- (G160) (LHD) OR (G161) (RHD) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE
- Disconnect the Passenger Door Module C2 connector.
- Measure the voltage between ground and the (G160) or (G161) Door Lock Switch Mux circuit in the Passenger Door Module C2 connector.
Is there any voltage present?
Yes
- Repair the (G160) or (G161) Door Lock Switch Mux circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
No
- Replace the Passenger Door Module in accordance with service information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .