2012 Lexus IS 250C Automatic TransFACTORY OEM SERVICE PROCEDURE

Integration Relay: Removal: Removal

  1. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 1
  2. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 2
  3. REMOVE INTEGRATION NO. 1 RELAY 
    1. Remove the No. 2 relay block cover.
    2. Using a screwdriver, detach the 2 claws and disconnect the integration relay from the engine room No. 2 relay block.
      Fig 1: Identifying Integration Relay
      GTY103087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

    3. Disconnect the 3 connectors.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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