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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition System >> On-Vehicle Inspection

On-Vehicle Inspection

  1. INSPECT IGNITION COIL ASSY 
    1. Check the input voltage.
      1. Disconnect the connector of the ignition coil.
      2. Turn the ignition switch ON.
      3. Using an ohmmeter, check that there is continuity between terminal 1 (+B) of the wire harness side connector and the body ground.

        Standard: 10-14 V 

      4. Turn the ignition switch OFF.
        Fig 1: Identifying Terminal 1 (+B) Of Ignition Coil Assembly
        G00926779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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