FCM-Rear Left Turn Output Circuit Open

FCM-REAR LEFT TURN OUTPUT CIRCUIT OPEN

FCM - Rear Left Turn Output Circuit Open:

WHEN MONITORED
With the ignition on

SET CONDITION
The FCM detects an open condition

POSSIBLE CAUSES
- Rear left turn signal output circuit open
- Power distribution center
- Front control module

1. INTERMITTENT CONDITION




Turn the ignition on.
With the DRBIII(R), clear all FCM DTC's.
Actuate the Left Rear Turn Signal lamp.
With the DRBIII(R), read the DTC information.

Q: Does the DRBIII(R) read: Rear Left Turn Output Circuit Open?

YES: Go To 2
NO: The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. REAR LEFT TURN SIGNAL OUTPUT CIRCUIT OPEN




Turn the ignition off.
Disconnect the IPM C3 harness connector
Measure the resistance of the Rear Left Turn Signal Output circuit.

Q: Is the resistance above 5.0 ohms?

YES: Repair the Rear Left Turn Signal Output circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3

3. FRONT CONTROL MODULE
Turn the ignition off
Disconnect the FCM harness connector.
Disconnect the IPM C3 harness connector.
Measure the resistance between ground and the Rear Left Turn Signal Output circuit.

Q: Is the resistance above 5.0 ohms?

YES: Replace the Power Distribution Center. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Front Control Module. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test