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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels >> System Tests >> Speed Sensor Circuit >> Without Lexus Hand-Held Tester

Without Lexus Hand-Held Tester

  1. Check harness and connector between instrument cluster and ABS ECU. See WIRING DIAGRAMS . Repair as necessary. If circuits are okay, go to next step.
  2. Check speed sensor circuit. See appropriate ANTI-LOCK/TRACTION CONTROL SYSTEMS article in BRAKES. Repair as necessary. If speed sensor circuit is okay, replace instrument cluster.
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