Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
2. Record the Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR INTERMITTENT CONDITIONS procedure. Refer to STANDARD PROCEDURE STANDARD PROCEDURE .
CHECK THE WINDOW SMART MOTOR DRIVER (WSMD) FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the WSMD harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 3
  No
  - Replace the Window Smart Motor Driver (WSMD) in accordance with the Service Information. Refer to MOTOR, WINDOW REGULATOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE WINDOW SMART MOTOR PASSENGER (WSMP) FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the WSMP harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 4
  No
  - Replace the Window Smart Motor Passenger (WSMP) in accordance with the Service Information. Refer to MOTOR, WINDOW REGULATOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE WINDOW SMART MOTOR LEFT REAR (WSMLR) FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the WSMLR harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 5
  No
  - Replace the Window Smart Motor Left Rear (WSMLR) in accordance with the Service Information. Refer to MOTOR, WINDOW REGULATOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE WINDOW SMART MOTOR RIGHT REAR (WSMRR) FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the WSMRR harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 6
  No
  - Replace the Window Smart Motor Right Rear (WSMRR) in accordance with the Service Information. Refer to MOTOR, WINDOW REGULATOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE DRIVER WINDOW SWITCH FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the Driver Window Switch harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 7
  No
  - Replace the Driver Window Switch in accordance with the Service Information. Refer to SWITCH, POWER WINDOW, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE PASSENGER WINDOW SWITCH FOR AN INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the Passenger Window Switch harness connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 8
  No
  - Replace the Passenger Window Switch in accordance with the Service Information. Refer to SWITCH, POWER WINDOW, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (D403) LIN BUS 3 CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the BCM C6/F harness connector.
3. Turn the ignition on.
4. Measure the voltage on the (D403) LIN Bus 3 circuit at BCM C6/F harness connector - terminal 3.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage on the (D403) LIN Bus 3 circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST STANDARD PROCEDURE .
  No
  - Go To 9
CHECK THE (D403) LIN BUS 3 CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Check for continuity between ground and the (D403) LIN Bus 3 circuit at BCM C6/F harness connector - terminal 3.
  Is there continuity between ground and the (D403) LIN Bus 3 circuit?
  
  Yes
  - Repair the short to ground in the (D403) LIN Bus 3 circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST STANDARD PROCEDURE .
  No
  - Go To 10
CHECK RELATED BCM HARNESS CONNECTIONS
1. Disconnect all BCM 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. Connect all BCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Connect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Connect 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 Environmental Data, 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 BCM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.