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Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panels >> Symptom Tests >> Test No. 24: High Beam Indicator Abnormal Operation Or Does Not Illuminate

Test No. 24: High Beam Indicator Abnormal Operation Or Does Not Illuminate

Disconnect instrument cluster harness connector "B". Turn light control switch to HEAD position. Turn dimmer switch to HI and FLASH positions. Measure voltage at harness connector "B", terminal No. 3 (White/Green wire). See WIRING DIAGRAMS . If voltage is not present in either switch position, repair White/Green wire between instrument cluster and HEAD fuse (15-amp). If voltage is present in both switch positions, check bulb. Replace if necessary. If bulb is okay, replace circuit plate and retest.