Honda HR-V: Lane Departure Warning (LDW) Symptom Troubleshooting - LDW Indicator (Amber) Does Not Blink When The System Warns, LDW Warning Buzzer Does Not Sound When The System Warns
Lane Departure Warning (LDW) Symptom Troubleshooting - LDW indicator (amber) does not blink when the system warns, LDW warning buzzer does not sound when the system warns
LDW indicator (amber) does not blink when the system warns LDW warning buzzer does not sound when the system warns
1. LDW indicator and warning buzzer check:
- Turn the vehicle to the ON mode.
- Select FCW/LDW/High Beam Support/Traffic Sign Recognition System from the DRIVING SUPPORT menu with the HDS, and enter the FUNCTION TEST.
- Select LDW drive and Indicator drive with the HDS.
LDW drive
Indicator drive
Does the LDW indicator blink?, and does the LDW warning buzzer sound?
YES
Intermittent failure, the system is OK at this time.
NO
Do the gauge control module self-diagnostic function.
Troubleshooting Start
LANE DEPARTURE WARNING (LDW) SYMPTOM TROUBLESHOOTING - LDW INDICATOR (AMBER) DOES NOT COME ON
NOTE: Before you troubleshoot, check the LDW DTCs with the HDS. If DTCs are stored, do the indicated DTC's troubleshooting - Refer to: How to Troubleshoot the Forward Collision Warning (FCW) (NA), or How to Troubleshoot the Lane Departure Warning (LDW) (NA).
1. Problem verification:
- Turn the vehicle to the ON mode.
Does the LDW indicator come on?
YES
Intermittent failure, the system is OK.
NO
Do the gauge control module self-diagnostic function.
Troubleshooting Start
LANE DEPARTURE WARNING (LDW) SYMPTOM TROUBLESHOOTING - LDW INDICATOR (AMBER) DOES NOT GO OFF
NOTE: Before you troubleshoot, check the LDW DTCs with the HDS. If DTCs are stored, do the indicated DTC's troubleshooting - Refer to: How to Troubleshoot the Forward Collision Warning (FCW) (NA), or How to Troubleshoot the Lane Departure Warning (LDW) (NA).
1. Problem verification:
- Turn the vehicle to the ON mode.
- Wait for about 6 seconds.
Does the LDW indicator go off?
YES
Intermittent failure, the system is OK.
NO
Do the gauge control module self-diagnostic function.
Troubleshooting Start
LANE DEPARTURE WARNING (LDW) SYMPTOM TROUBLESHOOTING INDEX(LANE DEPARTURE WARNING (LDW)
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Circuit Diagram, Inputs and Outputs
CIRCUIT DIAGRAM
FORWARD COLLISION WARNING (FCW) CIRCUIT DIAGRAM
LANE DEPARTURE WARNING (LDW) CIRCUIT DIAGRAM
INPUTS AND OUTPUTS
FORWARD COLLISION WARNING (FCW) (MULTIPURPOSE CAMERA UNIT) CONNECTOR F
How to Troubleshoot the Forward Collision Warning (FCW)
FCW Indicator
When the FCW system is OK, the FCW indicator comes on for about 5 seconds
after turning the vehicle to the
ON mode, then it goes off.
When the FCW system detects a problem while operat
SEE MORE:
DTC B12C5 Engine Start/Stop Switch Failure
DTC (Power Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System
Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System
Diagnosis Test Mode
A - Initial Communication and DTC Checks.
1. Problem verification:
Cle
Valve Seat Reconditioning
Reconditioning
1. Valve, Valve Seal, and Valve Spring Seat - Remove
2. Valve Seat - Reconditioning
Inspect valve stem-to-guide clearance. If the valve guides are worn,
replace them before cutting the valve seats.
Renew the valve seats in the cylinder head using a valve seat cutter.
Carefully c
