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Home >> Lexus >> 1997 >> LS 400 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> System Testing >> Test 38: Headlight Indicator Problem

Test 38: Headlight Indicator Problem

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Check light bulb. Replace as needed. If light bulb is okay, check high beam indicator circuit. See ILLUMINATION/INTERIOR LIGHTS wiring diagram under WIRING DIAGRAMS . Disconnect instrument panel connector "B". Check continuity between connector "B" terminal No. 7 and connector "C" terminal No. 13. If continuity does not exist, replace power source unit and retest. If continuity exists, check continuity between connector "C" terminal No. 14 and connector "B" terminal No. 5. If continuity does not exist, replace power source unit and retest. If continuity exists, repair wiring between connector "C" terminal No. 9 and HEAD LO HI fuse.