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Home >> Lexus >> 1997 >> SC 400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> A/C-Heater System - Automatic >> Testing >> IGNITOR Circuit

IGNITOR Circuit

Check tachometer operation. If tachometer does not function properly, repair or replace tachometer. If tachometer functions properly, inspect wiring and connectors between A/C-heater control panel terminal A12-1 (Black wire) and ignitor. Ignitor is located on left side of engine compartment. Repair wiring as necessary.

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