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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Windows >> System Tests >> Master Switch Circuit

Master Switch Circuit

  1. Check master switch. See MASTER SWITCH  under COMPONENT TESTS. Repair as necessary. If master switch is okay, go to next step.
  2. Check wiring harness and connectors between master switch and driver door ECU. See WIRING DIAGRAMS . Repair as necessary. If wiring harness and connectors are okay, perform check for next fault listed under appropriate symptom. See TROUBLE SHOOTING .
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