Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off then on.
4. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
5. Open the passenger door to turn the approach lights on.
6. Turn the passenger side turn signal on.
7. Fold and unfold the mirrors (if equipped).
8. Turn the rear defogger on (if equipped with heated mirrors).
9. 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.
10. With the scan tool, read PDM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - 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 and repair as necessary. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (P553) PASSENGER MIRROR BLINDSPOT LAMP SUPPLY CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Passenger Outside Rearview Mirror C1 and C2 (Component Side) harness connectors from the Passenger Door Module.
3. Check for continuity between ground and the (P553) Passenger Mirror Blindspot Lamp Supply circuit at the Passenger Outside Rearview Mirror C1 (Component Side) connector.
  Is there continuity between ground and the (P553) Passenger Mirror Blindspot Lamp Supply circuit?
  
  Yes
  - Repair the (P553) Passenger Mirror Blindspot Lamp Supply circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (P553) PASSENGER MIRROR BLINDSPOT LAMP SUPPLY CIRCUIT FOR A SHORT TO THE (P554) PASSENGER MIRROR BLINDSPOT LAMP RETURN CIRCUIT
1. Check for continuity between the (P553) Passenger Mirror Approach Light Driver circuit and the (P554) Passenger Mirror Approach/Blindspot Lamp Return circuit at the Passenger Outside Rearview Mirror C1 (Component Side) harness connector.
  Is there continuity between the (P553) Passenger Mirror Approach Light Driver circuit and the (P554) Passenger Mirror Approach/Blindspot Lamp Return circuit?
  
  Yes
  - Repair the (P553) Passenger Mirror Approach Light Driver circuit for a short to the (P554) Passenger Mirror Approach/Blindspot Lamp Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (P553) PASSENGER MIRROR BLINDSPOT LAMP SUPPLY CIRCUIT FOR A SHORT TO ANY PASSENGER MIRROR GROUND OR RETURN CIRCUIT
1. Check for continuity between the (P553) Passenger Mirror Approach Light Driver circuit and each of the Passenger Mirror Ground and Return circuits in the Passenger Outside Rearview Mirror C1 and C2 (Component Side) connectors.
  Is there continuity between the (P553) Passenger Mirror Approach Light Driver circuit and each of the Passenger Mirror Ground and Return circuits?
  
  Yes
  - Repair the (P553) Passenger Mirror Approach Light Driver circuit for a short to any ground or return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 5
MIRROR OR MODULE
1. Replace the Outside Rearview Mirror Assembly in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW, GLASS, REMOVAL .
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off then on.
4. Press and release the Mirror Select switch to select the Passenger Outside Rearview Mirror.
5. Open the passenger door to turn the approach lights on.
6. Turn the passenger side turn signal on.
7. Fold and unfold the mirrors (if equipped).
8. Turn the rear defogger on (if equipped with heated mirrors).
9. 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.
10. With the scan tool, read PDM DTCs.
  Is the DTC active?
  
  Yes
  - Replace the Passenger Door Module in accordance with Service Information. Refer to MODULE, DOOR (DDM/PDM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .