ORC Run Only Driver Open

Test 1 - 4:

Test 5 - 6:

Test 7:

SYMPTOM
LOSS OF IGNITION RUN ONLY

TEST NOTE
This symptom is diagnosed using the test LOSS OF IGNITION RUN ONLY

WHEN MONITORED
With the ignition in the run only position the ACM monitors the ORC Run Only Driver circuit for proper system voltage.

SET CONDITION
If the voltage on the ORC Run Only Driver circuit drops below 4.5 volts, the code will set.

POSSIBLE CAUSES
- ACM, loss of ignition run only
- ACM, ORC run only circuit open
- IPM, ORC run only driver circuit open
- IPM, ORC run only circuit short to ground
- ACM, ORC run only circuit short to ground
- ORC run only circuit short to ground
- Stored code or intermittent condition
- Active code present