Diagnostic Test

CHECK THE CHARGE PORT PROXIMITY CIRCUIT FOR AN OPEN
1. Turn the ignition off.
2. Disconnect the Charge Port harness connector from the OBCM.
3. Measure the resistance between ground and the Charge Port Proximity circuit at the OBCM Charge Port harness connector.
  Is the resistance above 5k Ohms?
  
  Yes
  - Replace the Charge Port harness in accordance with the service information.
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 2
CHECK EVSE CHARGING CAPABILITY
1. Reconnect the OBCM Charge Port harness connector.
2. Connect the customers EVSE charging unit to the vehicle. Using the Scan Tool, Monitor the AC output and the Proximity Signal Value.
  Is the EVSE charging unit operating correctly?
  
  Yes
  - Advise the customer that the problem may be with their power source connection for the EVSE charging unit.
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK EVSE CHARGING UNIT
1. Refer to the EVSE User manual information and follow the troubleshooting guide to determine if the problem is with the EVSE charging unit or the vehicle.
2. Using the Scan Tool, Monitor the AC output.
  Is the EVSE charging unit operating correctly?
  
  Yes
  - Go To 4
  No
  - Replace the EVSE charging unit in accordance with the service information.
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
ON-BOARD CHARGING MODULE
1. Using the wiring diagram/schematic as a guide, inspect the connectors at the Charge Port connector and the On-Board Charging Module (OBCM).
2. Look for broken, bent, pushed out or corroded terminals.
3. Perform any Technical Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the On-Board Charging Module in accordance with the service information. Refer to MODULE, ON-BOARD CHARGING (OBCM), REMOVAL .
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .