Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
3. With the scan tool, read DMRL DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE WINDOW OPERATION
1. Run the window to the full up position and continue to hold the switch for an additional two seconds.
2. Run the window to the full down position and continue to hold the switch for an additional two seconds.
3. Repeat the above procedures again.
  Did the window move to the full up position?
  
  Yes
  - Replace the Left Rear Door Module in accordance with the Service Information. Refer to REAR .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE WINDOW MOTOR
1. Turn the ignition off.
2. Disconnect the Passenger Window Motor harness connector.
3. Connect a 12 volt test light between the (Q111) Driver Rear Window Driver (Up) circuit and the (Q211) Driver Rear Window Driver (Down) circuit at the Passenger Window Motor harness connector.
4. Turn the ignition on.
5. Trip the Passenger door latch to the closed position.
6. Operate the Passenger window switch up and down several times while observing the test light.
  NOTE:
  The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery.
  
  Does the test light illuminate brightly when the switch is pressed in both directions?
  
  Yes
  - Replace the Left Rear Window Motor in accordance with the Service Information. Refer to MOTOR, WINDOW REGULATOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK RELATED HARNESS CONNECTIONS
1. Disconnect all Left Rear Door Module harness connectors.
2. Disconnect all related in-line harness connections (if equipped).
3. Disconnect the related component harness connectors.
4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
5. Reconnect all Left Rear Door Module harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. With the scan tool, erase DTCs.
9. Using the recorded Vehicle Scan Report, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
10. With the scan tool, read DMRL DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Left Rear Door Module in accordance with the Service Information. Refer to REAR .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.