Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2011 Lexus HS 250hFACTORY OEM SERVICE PROCEDURE

Integration Relay: Removal: Removal

REMOVE NO. 1 RELAY BLOCK COVER
REMOVE NO. 1 INTEGRATION RELAY
1. Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and disconnect the No. 1 integration relay.
  
  Fig 1: Identifying No. 1 Integration Relay, Taped Screwdriver & Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 3 connectors.
  
  Fig 2: Identifying Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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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.