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Home >> Lexus >> 1999 >> GS 400 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> Component Tests >> Door Lock Control Switch >> Left Front Door
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Left Front Door

  1. Driver door lock control switch is also referred to as power window master switch. Remove power window master switch assembly from front door. Connect ohmmeter between terminals No. 16 (White/Black wire) and No. 5 (Light Green/Black wire) of power window master switch connector (component side). See WIRING DIAGRAMS . With door lock control switch in lock position, continuity should exist. With door lock control switch in unlock position, continuity should not exist.
  2. Connect ohmmeter between terminals No. 16 (White/Black wire) and No. 17 (Light Green/Red wire) of power window master switch connector (component side). See WIRING DIAGRAMS . With door lock control switch in unlock position, continuity should exist. With door lock control switch in lock position, continuity should not exist. If continuity is not as specified, replace door lock control switch and retest system operation.
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