LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting (Service Information) >> Ignition Switch >> Inspection >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Switch: Inspection: Inspection

  1. INSPECT IGNITION SWITCH ASSEMBLY 
      Fig 1: Measuring Resistance Of Switch
      GTY130357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance of the switch.

      Standard resistance

      Tester Connection Switch Position Specified Condition
      - LOCK 10 kΩ or higher
      2 (AM1) - 3 (ACC) ACC Below 1 Ω
      2 (AM1) - 3 (ACC)
      3 (ACC) - 4 (IG1)
      6 (IG2) - 7 (AM2)
      ON Below 1 Ω
      1 (ST1) - 2 (AM1)
      2 (AM1) - 4 (IG1)
      6 (IG2) - 7 (AM2)
      7 (AM2) - 8 (ST2)
      START Below 1 Ω

      If the result is not as specified, replace the switch assembly.