ORC Run Only Driver Over Volt

Test 1 - 4:

Test 5 - 8:

Test 9 - 10:

SYMPTOM
ORC RUN ONLY DRIVER OVER VOLT

TEST NOTE
This symptom is diagnosed using the test RUN ONLY TEST.

WHEN MONITORED
The FCM uses a microprocessor controlled transistor (high side driver) to supply power to the ORC. The microprocessor monitors the high side driver (HSD) battery voltage when the ignition is in the Run position.

SET CONDITION
The code will set if the microprocessor senses HSD battery voltage is over 30 volts

POSSIBLE CAUSES
- ACM, loss of ignition run only
- ACM, ORC run only circuit open
- FCM, ORC run only circuit open
- IPM, ORC run only circuit open
- ORC run only driver circuit open
- FCM, ORC run only circuit short
- IPM, ORC run only circuit short
- ACM, ORC run only circuit short
- ORC run only circuit short
- High battery voltage
- ORC run only over voltage
- Stored code or intermittent condition
- Active code present