Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration,or damage.

Has a problem been found?

	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.
	▶ Go to "LIN communication circuit inspection" procedure.

IG "ON" & ENG "ON"

After connect GDS, select "Oscilloscope" mode.

Measure the signal waveform between headlamp(LH and RH)'s LIN communication of wiring side.

Is "voltage" display near the specified value?

	▶ Go to "Component inspection" procedure.
	▶ Check for open/short in harness. ▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.