B1808 PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK - PASSENGER DOOR MODULE
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
Continuously
- Set Condition:
When the Passenger Door Lock Switch Mux circuit is between 2.0 volts and 3.0 volts for over 30 seconds, this code will set.
| Possible Causes |
| (G160) (LHD) RIGHT DOOR LOCK SWITCH MUX WIRE PARTIAL SHORT TO GROUND |
| (G161) (RHD) LEFT DOOR LOCK SWITCH MUX WIRE PARTIAL SHORT TO GROUND |
| PASSENGER WINDOW/DOOR LOCK SWITCH |
| PASSENGER DOOR MODULE |
Diagnostic Test
1. TEST FOR INTERMITTENT CONDITIONWith the scan tool, record and erase DTC's
Operate the Passenger Door Lock Switch both positions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1808–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK?
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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. PASSENGER DOOR LOCK SWITCH SHORTED TO GROUND
With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch connector.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK?
No
- Replace the Passenger Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
Yes
- Go to 3
3. (G160) (LHD) or ((G161) (RHD) DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Passenger Door Module C2 connector.
Measure the resistance between ground and the (G160/LHD) or (G161/RHD) Door Lock Switch Mux circuit in the Passenger Door Module C2 connector.
Is the resistance below 10000.0 ohms?
Yes
- Repair the (G160) or (G161) Door Lock Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Replace the Passenger Door Module in accordance with service information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)