Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Check the turn signals to be sure they are flashing properly before proceeding.
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Turn the passenger side turn signal on.
4. Turn the park lamps on.
5. Turn the rear defogger on, if equipped with heated mirror.
6. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
7. Operate the Mirror Adjust switch in all directions several times while monitoring the scan tool for DTCs.
  NOTE:
  After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.
8. With the scan tool, read PDM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE (P502) PASSENGER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the PDM C2 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (P502) Passenger Mirror Turn Signal Driver circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (P502) Passenger Mirror Turn Signal Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (P502) PASSENGER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO ANY SIGNAL OR DRIVER CIRCUIT
1. Turn the ignition off.
2. Turn all accessories off.
3. Disconnect the Passenger Outside Rearview Mirror C1 (Component Side) and C2 (Component Side) harness connectors from the Door Module.
4. Check for continuity between the (P502) Passenger Mirror Turn Signal Driver circuit and any Signal or Driver circuit at the Passenger Outside Rearview Mirror C1 and C2 (Component Side) harness connectors.
  Is there continuity between the (P502) Passenger Mirror Turn Signal Driver circuit and any Signal or Driver circuit(s)?
  
  Yes
  - Repair the (P502) Passenger Mirror Turn Signal Driver circuit for a short to any Signal or Driver circuit(s).
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK RELATED HARNESS CONNECTIONS
1. Disconnect all Passenger 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 Passenger 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 PDM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Passenger Outside Rearview Mirror in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW, 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.