Diagnostic Test

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
NOTE: If there are active High Voltage system DTCs in other modules, repair those DTCs before proceeding.

Turn the ignition on, not in ready mode.
1. Using the scan tool, record and erase EAC DTCs.
2. Turn the ignition off. Wait one minute.
3. Turn the ignition on. Wait one minute.
4. Using the scan tool, read DTCs.
  Does the scan tool display this DTC as active with no other High Voltage System DTCs?
  
  Yes
  - Go To 2.
  No
  - The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  - Perform the BODY VERIFICATION TEST. Refer to BODY CONTROL MODULE (BCM) - BODY VERIFICATION TEST - 500 - ELECTRIC .
CHECKING HIGH VOLTAGE HARNESS CONNECTIONS
1. Turn the ignition off.
2. Inspect the High Voltage cables for loose or poor connections at the EAC and Power Inverter Module (PIM) harness connectors.
  Are the connections OK?
  
  Yes
  - Replace the High Voltage cables to the EAC and proceed to step 3.
  No
  - Repair the loose connections in accordance with the service information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY CONTROL MODULE (BCM) - BODY VERIFICATION TEST - 500 - ELECTRIC .
ELECTRIC A/C COMPRESSOR
1. Turn the ignition on, not in ready mode.
2. Using the scan tool, record and erase EAC DTCs.
3. Turn the ignition off. Wait one minute.
4. Turn the ignition on. Wait one minute.
5. Using the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Verify proper operation of the High Voltage Battery Pack Assembly. If Battery Pack Assembly is OK, replace the EAC. Refer to COMPRESSOR, ELECTRIC AIR CONDITIONING (EAC), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY CONTROL MODULE (BCM) - BODY VERIFICATION TEST - 500 - ELECTRIC .
  No
  - Repair is complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY CONTROL MODULE (BCM) - BODY VERIFICATION TEST - 500 - ELECTRIC .