On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

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
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