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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 ((On-Board-Charging Module (OBCM) - Electrical Diagnostics - 500 - Electric)) >> DTC Troubleshooting >> P0D2A-Ac Current Exceed Allowable Limit >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK THE HV AC L1 CHARGE PORT CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Disconnect the OBCM Charge Port harness connector.
    3. Measure the resistance between ground and the HV AC L1 Charge Port circuit at the OBCM Charge Port harness connector.

      Is the resistance above 10k Ohms?

      Yes 

      • Go To  2

      No 

      • Replace the Charge Port harness in accordance with the service information
      • Perform the EVCU VERIFICATION TEST. Refer to EVCU VERIFICATION TEST .
  2. CHECK THE HV AC L2 CHARGE PORT CIRCUIT FOR A SHORT TO GROUND 
    1. Measure the resistance between ground and the HV AC L2 Charge Port circuit at the OBCM Charge Port harness connector.

      Is the resistance above 10k Ohms?

      Yes 

      • Go To  3

      No 

      • Replace the Charge Port harness in accordance with the service information.
      • Perform the EVCU VERIFICATION TEST. Refer to EVCU VERIFICATION TEST .
  3. CHECK THE HV L1 CHARGE PORT CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    1. Measure the resistance of the HV AC L1 Charge Port circuit between the OBCM Charge Port harness connector and the Charge Port Inlet connector located in the Fuel Door Opening.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Replace the Charge Port harness in accordance with the service information.
      • Perform the EVCU VERIFICATION TEST. Refer to EVCU VERIFICATION TEST .
  4. CHECK THE HV AC L2 CHARGE PORT CIRCUIT FOR AN OPEN/HIGH RESISTANCE 
    1. Measure the resistance of the HV AC L2 Charge Port circuit between the OBCM Charge Port harness connector and the Charge Port Inlet connector located in the Fuel Door Opening.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Replace the Charge Port harness in accordance with the service information.
      • Perform the EVCU VERIFICATION TEST. Refer to EVCU VERIFICATION TEST .
  5. 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.

      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 EVCU VERIFICATION TEST .

      No 

      • Go To  6
  6. 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  7

      No 

      • Replace the EVSE charging unit in accordance with the service information.
      • Perform the EVCU VERIFICATION TEST. Refer to EVCU VERIFICATION TEST .
  7. 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 

      No 

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