Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Try to open and close the driver window several times.
4. Wait 30 seconds.
5. With the scan tool, read the active DTCs.
  Does the scan tool display; B12A7-23-FRONT PASSENGER WINDOW LIFTER DOWN - SIGNAL STUCK LOW?
  
  Yes
  - Go To 2
  No
  - Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE DRIVER WINDOW MOTOR
1. With the scan tool, erase the DTCs.
2. Disconnect the Driver Window Motor connector.
3. Cycle the ignition off then on
4. Wait 30 seconds.
5. Try to open and close the driver window several times.
6. With the scan tool, read the active DTCs.
  Does the scan tool display; B12A7-23-FRONT PASSENGER WINDOW LIFTER DOWN - SIGNAL STUCK LOW?
  
  Yes
  - Go To 3
  No
  - Replace the Driver Window Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE WINDOW HALL SENSOR RETURN CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the Body Control Module C6 harness connector.
3. Measure the resistance between ground and the (Q990) Window Hall Sensor Return circuit in the Driver Window Motor connector.
  Is the resistance above 10k ohms?
  
  Yes
  - Replace the Body Control Module in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the short to ground in the (Q990) Window Hall Sensor Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .