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Ignition Main Relay

  1. Ensure ignition is off. Remove ignition main relay from relay box. Relay box is located on driver's side rear corner of engine compartment.
  2. Using ohmmeter, check continuity between specified terminals. See Fig 1 and Fig 2. Check ignition main relay operation by applying battery voltage and ground and checking continuity between specified terminals. See Fig 1 and Fig 2. Replace ignition main relay if defective.
Fig 1: Checking Ignition Main Relay - Checking Continuity
G93B80144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Checking Ignition Main Relay - Checking Operation
G93C80145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002