On-Vehicle Inspection

2007 Lexus ES 350SECTION On-Vehicle Inspection
  1. INSPECT STOP LIGHT CONTROL RELAY 
    1. Remove the stop light control relay.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      3 - 4 Always Below 1 Ω
      3 - 5 Always 10 kΩ or higher
      3 - 4 When battery positive voltage is applied to terminal 1 and battery negative voltage to terminal 2 10 kΩ or higher
      3 - 5 When battery positive voltage is applied to terminal 1 and battery negative voltage to terminal 2 Below 1 Ω

      If the value is not as specified, replace the stop light control relay.

      Fig 1: Identifying Stop Light Control Relay
      G05250514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

NO RELATED

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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.