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Home › Lexus › 2008 › LS 600hL › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System - Circuit Tests, Component Removal, Inspection & Installation › Ignition Relay No. 1 › On-Vehicle Inspection

On-Vehicle Inspection

  1. REMOVE IGNITION RELAY NO. 1 (IG1) 
    1. Remove the ignition relay from the engine room No. 2 relay block.
  2. INSPECT IGNITION RELAY NO. 1 
    1. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Condition Specified Condition
      3 - 5 When no battery voltage is applied to terminals 1 and 2 10 kΩ or higher
      3 - 5 When battery voltage is applied to terminals 1 and 2 Below 1 Ω
      Fig 1: Identifying Ignition Relay No. 1
      G05771283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, replace the relay.

  3. INSTALL IGNITION RELAY NO. 1 
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