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Home >> Lexus >> 1992 >> LS 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Traction Control System >> Diagnostic Charts >> TRAC Indicator Light Circuit >> Diagnostic Chart

Diagnostic Chart

  1. If TRAC indicator light does not light up, go to INSTRUMENT PANEL article. If TRAC indicator light remains on, check for DTCs and repair affected circuits. If indicator light does not go out, go to next step.
  2. Check harness and connector between ABS & TRAC ECU and TRAC indicator light. Repair or replace any faulty connectors or harnesses. If connectors are okay, check and replace ABS & TRAC ECU.
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