B19FD

B19FD-RIGHT REAR WINDOW SWITCH CIRCUIT STUCK - DDM - JS27





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Whenever the module is awake.

- Set Condition:
When the Master Switch Right Rear Window Mux circuit is below 3.5 volts for over 30 seconds.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC's
Operate the Left Rear Window Switch in all positions several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display B19FD-RIGHT REAR WINDOW SWITCH CIRCUIT STUCK?

Yes

- Go to 2

No

- The conditions that caused this code to set are not present at this time. Check for a sticking switch and using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. DRIVER WINDOW SWITCH SHORTED




With the scan tool, erase DTC's.
Disconnect the Driver Window/Door Lock Switch connector.
With the scan tool, read DTC's.
Does the scan tool display B19FD-RIGHT REAR WINDOW SWITCH CIRCUIT STUCK?

No

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

Yes

- Go to 3

3. (Q24) MASTER SWITCH RIGHT REAR WINDOW MUX CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Driver Door Module C1 and C2 connectors.
Measure the resistance between ground and the (Q23) Master Switch Right Rear Window Mux circuit in the DDM C1 connector.
Is the resistance below 10,000.0 ohms?

Yes

- Repair the (Q24) Master Switch Right Rear Window Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Driver Door Module (DDM).
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test