Power Windows

9025-MASTER SWITCH - LEFT VENT WINDOW SWITCH STUCK - DDM





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously

- Set Condition:
When the Left Vent Window Switch Mux circuit, in the Driver Power Window/Mirror Switch, is held below 9.0 volts for longer than 25 seconds, this code will set.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION




With the scan tool, record and erase DTC's
Operate the Left Vent Switch in all 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 9025-MASTER SWITCH - LEFT VENT WINDOW SWITCH STUCK ?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Check for any foreign objects or sticky substance in the Driver Window/Mirror Switch and remove as necessary. Also, using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests

2. LEFT VENT WINDOW SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
Disconnect the Driver Power Window/Mirror Switch C1 connector
Measure the voltage between the Left Vent Window Switch Mux circuit and ground.
Is the voltage above 9.0 volts?

Yes

- Replace the Driver Power Window/Mirror Switch.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests

No

- Repair the Left Vent Window Switch Mux circuit for a partial short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests