FCM ORC Run/Start Driver Over Volt (Active)

Tests 1 - 2:

Tests 3 - 6:

Test 7:

SYMPTOM
FCM, ORC RUN-START DRIVER OVER VOLT - ACTIVE

TEST NOTE
This symptom is diagnosed using the test FCM, ORC RUN-START DRIVER OPEN - ACTIVE.

WHEN MONITORED
The FGM 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 or Start position.

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

POSSIBLE CAUSES
- Verifying ORC run-start driver codes
- Check battery voltage
- FCM, run-start driver over voltage
- ORC, run-start test
- FCM, run only open test
- IPM, run only open test
- ORC run only driver circuit open
- FCM, run-start short test
- IPM, run-start short test
- ORC run-start driver circuit short