Diagnostic Test

WARNING: This page is about a different car, the 2014 Fiat 500e. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR MULTIPLE DTCS
1. Turn the Ignition ON, Vehicle in ready mode.
2. With the scan tool check PIM failure code memory for additional Resolver Angle Sensor DTCs (P0A40-00, P0A1B-00, P0A3F-00 and P1B03-00).
  Were any Resolver Angle Sensor DTCs found?
  
  Yes
  
  Diagnose these DTCs first in accordance with the service information.
  
  No
  - Go To 2

CHECK IF THE DTC IS ACTIVE

With the scan tool, record the Environmental Data for this DTC.
Clear the DTC.
Ignition off wait at least one minute.
Turn the Ignition on, Vehicle in ready mode.
With the scan tool check for active DTCs.

If any High Voltage System DTCs are found, Diagnose these first according to the service procedure.

Did the DTC reset?

Yes

Go To 3

Perform the following Standard Procedures. If no defects are found in the 3 Phase Wire Harness or the e-Motor, Refer To STANDARD PROCEDURE . Go To 3

Visual check of 3-Phase wiring harness between e-machine and PIM

Check continuity and short circuit of 3-Phase wiring harness

Check electrical resistance between e-Motor phases

OFFSET ANGLE CALIBRATION
1. Turn Ignition OFF then back ON.
2. With the scan tool, perform the Offset Angle Relearn Procedure.
  Is there an Angle Failure Fault?
  
  Yes
  
  Repair according to the procedure in the scan tool.
  
  No
  - Go To 4
POWER INVERTER MODULE
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. Look for any chafed, pierced, pinched or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact.
4. Perform any Technical Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Power Inverter Module (PIM) in accordance to the service information. Refer to MODULE, POWER INVERTER (PIM), REMOVAL .
  - Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .