Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> System Testing >> Tachometer System Test >> Tachometer Does Not Operate

Tachometer Does Not Operate

Download the full database via torrent (~1.1 TB)

Disconnect instrument cluster connector "C". See Figure. Start engine. Using a DVOM that can measure Hz, check voltage between ground and terminal No. 10 of connector "C". See Figure. If voltage does not fluctuate, repair circuit between terminal No. 10 and ignitor. If voltage fluctuates, replace character plate. See Figure.