B1912

B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH





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

- When Monitored:
Continuously

- Set Condition:
When the Passenger Window Express Switch Mux circuit is over 5.6 volts for over 100 ms.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTCs
2. Operate the Passenger Window Switch in both positions several times.
3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read DTCs.

Does the scan tool display B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH?

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 the BODY VERIFICATION TEST. Body Verification Test.

2. PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED




1. With the scan tool, erase DTCs.
2. Disconnect the Passenger Window/Door Lock Switch C2 connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.

Does the scan tool display B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH?

No

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

Yes

- Go to 3

3. (Q336) PASSENGER WINDOW EXPRESS SWITCH MUX WIRE SHORT TO VOLTAGE




1. Turn the ignition off.
2. Disconnect the Passenger Door Module C2 connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the (Q336) Passenger Window Express Switch Mux circuit in the Passenger Door Module C2 connector.

Is there any voltage present?

Yes

- Repair the (Q336) Passenger Window Express Switch Mux circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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