Diagnostic Test
- 1) DTC PRESENT
Turn the ignition on.
With the scan tool, erase DTCs.
Turn the ignition off, wait 30 seconds, then turn the ignition on.
With the scan tool, read DTCs.
NOTE: If there are any Ignition or Ignition Switch related codes present, perform the tests for those codes before proceeding.Does the scan tool display: RUN ONLY RELAY OPEN?
Yes
- Go To step 2).
No
- The condition that caused the symptom is not currently present. Refer to any Technical Service Bulletins (TSBs) that may apply. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1 .
- 2) IPM OPEN
Turn the ignition off.
Remove the Run Only Relay from the IPM.
Using a 12-volt test light, connect one lead to cavity 85 and the other lead to cavity 86 in the Run Only Relay connector.
Turn the ignition on.
Does the test light illuminate brightly?
Yes
- Replace the Run Only Relay.
- Perform BODY VERIFICATION TEST - VER 1 .
No
- Replace the IPM in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1 .