Front Light Failure/Erroneous Display of Message "Front Light Failure"
Front Light Failure/Erroneous Display Of Message "Front Light Failure"
Fault symptom
The SID gives a warning of front lamp failure despite no failure or does not give a warning despite a faulty lamp.
Diagnostic help
The control module input for "Front light failure" can be read with the diagnostic tool.
The message "Front light failure" can be activated with the diagnostic tool.
Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.
Fault Diagnosis Procedure