FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Power Windows







9001-DRIVER WINDOW SWITCH ILLUMINATION CIRCUIT HIGH - DDM





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Whenever the module is awake.

- Set Condition:
When the Driver Door Module does not sense a voltage change on the Panel Lamps Driver circuit when the park lamps are turned on, this code will set





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC's
Turn the park lamps on and turn the panel lamp dimmer switch from dim to bright several times.
Wait 30 seconds.
With the scan tool, read DTC's.
Does the scan tool display 9001-DRIVER WINDOW SWITCH ILLUMINATION 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. Verification Tests.

2. DRIVER POWER WINDOW/MIRROR SWITCH




With the scan tool, erase DTC's.
Disconnect the Driver Power Window/Mirror Switch C1 connector.
Measure the voltage between the Panel Lamps Driver circuit and ground in the Driver Power Window/Mirror Switch C1 connector
Turn the park lamps on and turn the panel lamp dimmer switch from dim to bright several times and observe the voltmeter.

Does the voltage range from approximately 9.3 volts to 10.5 volts?

Yes

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

No

- Go To 3

3. PANEL LAMPS DRIVER CIRCUIT SHORT TO VOLTAGE




Turn the ignition off.
Turn the park lamps off.
Disconnect the Driver Door Module C1 connector.
Turn the ignition on.
Measure the voltage between the Panel Lamps Driver circuit and ground in the Driver Power Window/Mirror Switch C1 connector.
Is there any voltage present?

Yes

- Repair the Panel Lamps Driver circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Go To 4

4. PANEL LAMPS DRIVER CIRCUIT OPEN




Turn the ignition off.
Measure the resistance of the Panel Lamps Driver circuit between the DDM C1 connector and the Driver Power Window/Mirror Switch C1 connector.
Is the resistance below 3.0 ohms?

No

- Repair the Panel Lamps Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

Yes

- Replace the Driver Door Module.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.