B163B
B163B-FRONT LEFT TURN CONTROL CIRCUIT LOWB163B-front Left Turn Control Circuit Low:
WHEN MONITORED
SET CONDITION
POSSIBLE CAUSES
- (L61) front left turn signal control circuit
- Power distribution center
- Front control module
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
DIAGNOSTIC TEST
1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC's.
Turn the Left Turn Signals on.
With the Scan Tool read the DTC information.
Q: Does the Scan Tool read: B163B-FRONT LEFT TURN CONTROL CIRCUIT LOW?
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 the BODY VERIFICATION TEST - VER 1. Body Verification Test
2. L61 FRONT LEFT TURN SIGNAL CONTROL CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 connector.
Measure the resistance between ground and the (L61) Front Left Turn Signal Control circuit.
Q: Is the resistance below 5.0 ohms?
YES: Go To 3
NO: Repair the (L61) Front Left Turn Signal Control circuit for a short to ground. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
3. FRONT CONTROL MODULE
Turn the ignition off.
Disconnect the FCM C2 connector.
Measure the resistance between ground and the (L61) Front Left Turn Signal Control circuit in the FCM.
Q: Is the resistance below 5.0 ohms?
YES: Replace the Power Distribution Center. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Front Control Module. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test