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HOMESERVICE MANUALSLEXUS2007ES 350REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTAUDIO/VISUALAUDIO AND VISUAL SYSTEMRADIO RECEIVER POWER SOURCE CIRCUITINSPECTION PROCEDURE
2007 Lexus ES 350

Inspection Procedure

2007 Lexus ES 350SECTION Inspection Procedure
  1. INSPECT RADIO RECEIVER 
    1. Disconnect the radio receiver connectors E69 and E73.
    2. Measure the resistance according to the value in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      GND - Body ground Always Below 1 Ω
    3. Measure the voltage according to the values in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      B - GND Always 10 to 14 V
      +B - GND ((1)) Always 10 to 14 V
      ACC - GND Engine switch on (ACC) 10 to 14 V
      (1) for Radio Receiver with Built-in "Bluetooth" Handsfree Function
    Fig 1: Identifying Radio Receiver Connector Terminal E69 And E73
    G05253010Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

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.