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HOMESERVICE MANUALSTOYOTA2009SEQUOIA LIMITED, 5.7 Y, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMSPARK ASSIST / MONITORINGREAR VIEW MONITOR SYSTEMDISPLAY SIGNAL CIRCUIT BETWEEN NAVIGATION RECEIVER ASSEMBLY AND TELEVISION CAMERA ASSEMBLYINSPECTION PROCEDURE
2009 Toyota Sequoia Limited, 5.7 Y, RWD

Inspection Procedure

2009 Toyota Sequoia Limited, 5.7 Y, RWDSECTION Inspection Procedure
  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - ASSEMBLY TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the I7 navigation receiver assembly connector.
    2. Disconnect the V17 television camera assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      STANDARD RESISTANCE

      Tester Connection Condition Specified Condition
      I7-22 (V+) - V17-2 (CV+) Always Below 1 Ω
      I7-23 (V-) - V17-1 (CV-)
      I7-21 (CGND) - V17-3 (CGND)
      I7-24 (CA+) - V17-4 (CB+)
      I7-22 (V+) - Body ground Always 10 kΩ or higher
      I7-23 (V-) - Body ground
      I7-21 (CGND) - Body ground
      I7-24 (CA+) - Body ground
      Fig 1: Identifying I7 Navigation Receiver Assembly Connector And V17 Television Camera Assembly Connector Terminals
      G05652773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Reconnect the navigation receiver assembly connector.
    5. Reconnect the television camera assembly connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step. 

  2. INSPECT NAVIGATION RECEIVER ASSEMBLY 
    1. Disconnect the V17 television camera assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage 

      STANDARD VOLTAGE

      Tester Connection Switch Condition Specified Condition
      V17-4 (CB+) - V17-3 (CGND) Ignition switch ON, shift lever in R 5.5 to 7.05 V
    3. Reconnect the television camera assembly connector.
      Fig 2: Identifying V17 Television Camera Assembly Connector Terminals
      G05652774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL )

    OK: Go to next step. 

  3. INSPECT TELEVISION CAMERA ASSEMBLY 
    1. Using an oscilloscope, check the waveform.

      Reference 

      WAVEFORM REFERENCE

      Tester Connection V17-2 (CV+) - V17-1 (CV-)
      Tester Range 0.2 V/DIV., 0.2 μsec./DIV.
      Vehicle Condition Ignition switch ON, shift lever R position

      OK: Waveform is as shown in the illustration. 

    NG: REPLACE TELEVISION CAMERA ASSEMBLY  (See REMOVAL  )

    Fig 3: Identifying Television Camera Assembly Connectors Terminals And Waveform
    G05652775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL )

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.