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 back to on.
4. Open the passenger door to turn the approach lights on.
5. Turn the passenger side turn signal on.
6. Fold and unfold the mirrors (if equipped).
7. Turn the rear defogger on (if equipped with heated mirrors).
8. 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.
9. 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 APPROACH LIGHT DRIVER CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the Passenger Outside Rearview Mirror C1 and C2 (Component Side) harness connectors from the Door Module.
3. Turn the ignition on.
4. Measure the voltage between ground and the (P553) Passenger Mirror Approach Light Driver circuit in the Passenger Outside Rearview Mirror C1 (Component Side) harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (P553) Passenger Mirror Approach Light Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (P553) PASSENGER MIRROR APPROACH LIGHT DRIVER CIRCUIT AND THE (P554) PASSENGER MIRROR/APPROACH BLINDSPOT LAMP RETURN FOR AN OPEN
1. Turn the ignition off.
2. 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) connector.
  Is there continuity between the (P553) Passenger Mirror Approach Light Driver circuit and the (P554) Passenger Mirror Approach/Blindspot Lamp Return circuit?
  
  Yes
  - Go To 4
  No
  - Repair the (P553) Passenger Mirror Approach Light Driver circuit or the (P554) Passenger Mirror Approach/Blindspot Lamp Return circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (P553) PASSENGER MIRROR APPROACH LIGHT DRIVER CIRCUIT FOR A SHORT TO ANOTHER MIRROR DRIVER OR SIGNAL CIRCUIT
1. Check for continuity between the (P553) Passenger Mirror Approach Light Driver circuit and any designated Mirror Driver and Signal circuits at the Passenger Outside Rearview Mirror C1 and C2 (Component Side) connectors.
  Is there continuity between the (P553) Passenger Mirror Approach Light Driver circuit and any designated Mirror Driver and Signal circuit(s)?
  
  Yes
  - Repair the (P553) Passenger Mirror Approach Light Driver circuit for a short to another designated Mirror Driver and Signal circuit(s).
  - 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. Turn the ignition on.
3. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
4. Turn the ignition off then back to on.
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 .