Diagnostic Test

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
3. With the scan tool, erase all DTCs.
4. Turn the ignition off for a minimum of 10 seconds.
5. Turn the ignition on.
6. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK FOR APPLICABLE SOFTWARE UPDATES AND SERVICE BULLETINS
1. With a scan tool, check for software updates that are related to the customer concern.
2. Check for any service bulletins that could be related to the customer concern.
  Were any software updates or service bulletins applicable to the customer concern?
  
  Yes
  - Perform the service procedure as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK FOR SYSTEM VOLTAGE DTCS IN THE CVPM
1. Refer to the saved DTC information recorded on the repair order.
  Were any voltage low or high DTCs present in the CVPM?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to DTC INDEX .
  No
  - Go To 4
CHECK FOR VOLTAGE OR CHARGING SYSTEM DTCS
1. Refer to the saved DTC information recorded on the repair order.
  Were any charging system or voltage DTCs present in the PCM?
  
  Yes
  - Repair the DTCs set in the PCM. Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 5
INSPECT THE CAMERA LVDS COAX CABLE CONNECTIONS
1. Turn the ignition off.
2. Inspect the CVPM LVDS harness connectors for a secure and undamaged connection.
3. Inspect the Coax Cable in-line harness connectors for a secure and undamaged connection.
4. Inspect the Camera harness connector for a secure and undamaged connection.
  Are all connections secure and undamaged?
  
  Yes
  - Go To 6
  No
  - Repair the cable connection as needed and check video operation.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK EACH LVDS CABLE FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect each LVDS cable connector, one at a time, at the CVPM, then at the camera, turn the ignition on and measure the voltage on that cable.
  Was voltage present on any of the LVDS cables?
  
  Yes
  - Repair or replace the cable as needed and check video operation.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 7
CHECK RELATED HARNESS CONNECTIONS - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. Disconnect all CVPM 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 CVPM 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 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 CVPM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Central Vision Processing Module (CVPM) in accordance with the Service Information. Refer to MODULE, CENTRAL VISION PROCESSING (CVPM), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repairing the wiring or connectors corrected the condition.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .