Power Windows: 42

42-PASSENGER WINDOW UP RELAY CONTROL SHORT TO GROUND





For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Whenever the ignition is in the Run or Accessory position and the passenger window up switch is actuated.

- Set Condition:
When the BCM turns on the Passenger Window Up Relay Control circuit and detects a current draw over 250 ma. for over 125 milliseconds, this code will set.





Diagnostic Test

1. DTC PRESENT
Turn the ignition on.
With the scan tool, erase DTCs.
Cycle the ignition switch from Off to Run.
Try to operate the Passenger Window Motor several times.
With the scan tool, read DTCs.
Does the scan tool display 42-PASSENGER WINDOW UP RELAY CONTROL SHORTED TO GROUND?

Yes

- Go To 2

No

- The condition that caused the code to set is 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. WINDOW UP RELAY SHORTED




Remove the Passenger Window Up Relay.
Turn the ignition on.
With the scan tool, erase DTCs.
Cycle the ignition switch from Off to Run.
Press the Passenger Window Switch several times.
With the scan tool, read DTCs.
Does the scan tool display 42-PASSENGER WINDOW UP SHORTED TO GROUND?

Yes

- Go To 3

No

- Replace the Window Relay.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (Q12) PASSENGER WINDOW UP RELAY CONTROL WIRE SHORT TO GROUND




Turn the ignition off.
Disconnect the BCM C4 harness connector.
Measure the resistance between ground and the (Q12) Passenger Window Up Relay Control circuit.
Is the resistance below 1000.0 ohms?

Yes

- Repair the (Q12) Passenger Window Up Relay Control circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

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