B1805

B1805-2A-PASSENGER DOOR LOCK/UNLOCK SWITCH - STUCK





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

- When Monitored:
Continuously.

- Set Condition:
When the Passenger Door Lock Switch Mux circuit is between 0.8 and 1.5 volts for over 30 seconds.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase the DTCs.
2. Operate the Passenger Door Lock Switch in all positions several times.
3. Turn the ignition on and wait 30 seconds.
4. With the scan tool, read the DTCs.

Does the scan tool display; B1805-2A-PASSENGER DOOR LOCK/UNLOCK SWITCH - STUCK?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. DOOR LOCK SWITCH SHORTED




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

Does the scan tool display; B1805-2A-PASSENGER DOOR LOCK/UNLOCK SWITCH - STUCK?

Yes

- Go To 3

No

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

3. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO GROUND




1. Turn the ignition off.
2. Disconnect the Passenger Door Module C5 harness connector.
3. Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit in the Passenger Window/Door Lock Switch harness connector.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (Q936) PASSENGER WINDOW EXPRESS SWITCH RETURN CIRCUIT




1. Measure the resistance between the (G160) Passenger Door Lock Switch Mux circuit and the (Q936) Passenger Window Express Switch Return circuit.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to the (Q936) Passenger Window Express Switch Return circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Passenger Door Module. Door Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.