Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

ELECTRONIC POWER STEERING MODULE AND PCM-2 CHECK CONNECTION
1. Check for loose, damaged or corroded connections on the Electronic Power Steering Module or on the PCM-2.
  Are there any loose or damaged connections?
  
  Yes
  - Repair the wiring connections as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 2
CHECK OF CAN LINE WIRING BETWEEN ELECTRONIC POWER STEERING MODULE AND PCM-2
1. Check for an open circuit or high resistance in the CAN line wiring between the Electronic Power Steering Module and the PCM-2.
  Is there a high resistance or open condition in the wiring?
  
  Yes
  - Repair the open circuit or high resistance in the wiring.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK OF CAN LINE WIRING BETWEEN ELECTRONIC POWER STEERING MODULE AND PCM-2
1. Check for a short circuit in the CAN line wiring between the Electronic Power Steering Module and the PCM-2.
  Is there a short circuit in the wiring?
  
  Yes
  - Repair the short circuit in the wiring.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
CHECK ELECTRONIC POWER STEERING MODULE POWER SUPPLY
1. Check the correct supply of the Electronic Power Steering Module.
  Is the power supply correct?
  
  Yes
  - Go To 5
  No
  - Repair or replace the related wiring or power supply.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECK ELECTRONIC POWER STEERING MODULE OPERATION
1. Check that the Electronic Power Steering Module is working correctly.
  Is the Electronic Power Steering Module operating correctly?
  
  Yes
  - End of diagnosis.
  No
  - Replace the Electronic Power Steering Module.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .