B162B
B162B-LEFT LOW BEAM CONTROL CIRCUIT LOWB162B - Left Low Beam Control Circuit Low:
WHEN MONITORED
With the Headlamps activated.
SET CONDITION
When the TIPM detects a LOW condition.
POSSIBLE CAUSES
- (L43) Left low beam control circuit short to ground
- Totally integrated power module
Diagnostic Test
1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all TIPM DTC's.
Turn the Headlamps on.
With the Scan Tool read the DTC information.
Q: Does the Scan Tool read: B162B-LEFT LOW BEAM 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. (L43) LEFT LOW BEAM CONTROL CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the TIPM C4 harness connector.
Disconnect the Left Headlamp harness connector.
Measure the resistance between ground and the (L43) Left Low Beam Control circuit.
Q: Is the resistance below 5.0 ohms?
YES: Repair the (L43) Left Low Beam Control circuit for a short to ground condition. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Totally Integrated Power Module (TIPM). Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test