B1912

B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH-PDM





For a complete wiring diagram Consult Diagrams/Electrical.

NOTE: Even though the JS27 (Convertible) is not equipped with the Express (AUTO) Up feature, the front window circuits are still referred to as "EXPRESS".

- When Monitored:
Continuously

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





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's
Operate the Passenger Window Switch in both positions several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.
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 BODY VERIFICATION TEST - VER 1. Body Verification Test

2. PASSENGER WINDOW/DOOR LOCK SWITCH SHORTED




With the scan tool, erase DTC's.
Disconnect the Passenger Window/Door Lock Switch C2 connector.
Turn the ignition on.
With the scan tool, read DTC's.
Does the scan tool display B1912-PASSENGER WINDOW SWITCH CIRCUIT HIGH?

No

- Replace the Passenger Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Go to 3

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




Turn the ignition off.
Disconnect the Passenger Door Module C2 connector.
Turn the ignition on.
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 BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Passenger Door Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test