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Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic A/C-Heater Systems >> System Tests >> Ignition Power Source Circuit >> HTR Fuse Check
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HTR Fuse Check

Inspect HTR fuse in junction block No. 1, located beneath instrument panel. If fuse is okay, inspect harness and connectors between A/C-heater control panel and battery. Repair as necessary. If fuse is blown, replace fuse and inspect for short circuit. See WIRING DIAGRAMS .

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