B1630
B1630-RIGHT LOW BEAM CONTROL CIRCUIT HIGHB1630-Right Low Beam Control Circuit High:
WHEN MONITORED
With the Headlamps activated.
SET CONDITION
When the FCM detects a LOW condition.
POSSIBLE CAUSES
- (L44) right low beam control circuit
- 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 Headlamps on.
With the Scan Tool read the DTC information.
Q: Does the Scan Tool read: B1630-RIGHT LOW BEAM CONTROL CIRCUIT HIGH?
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. (L44) RIGHT LOW BEAM CONTROL CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance of the (L44) Right Low Beam Control circuit.
Q: Is the resistance above 5.0 ohms?
YES: Repair the (L44) Right Low Beam Control circuit for a short to battery condition. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Front Control Module (FCM). Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test