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HOMESERVICE MANUALSTOYOTA2013SIENNA LIMITED, FWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO / VIDEO SYSTEM (DIAGNOSTIC CODES & SYMPTOM TESTS)AUDIO AND VISUAL SYSTEMMULTI-MEDIA INTERFACE ECU POWER SOURCE CIRCUITPROCEDURE
2013 Toyota Sienna Limited, FWD

Multi-media Interface ECU Power Source Circuit: Procedure

2013 Toyota Sienna Limited, FWDSECTION Procedure
  1. CHECK MULTI-MEDIA INTERFACE ECU 
    1. Disconnect the D66 multi-media interface ECU connector.
      Fig 1: Measuring Voltage Of Multi-Media Interface ECU
      GTY302120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      D66-12 (+B) - D66-7 (GND) Always 11 to 14 V
      D66-11 (ACC) - D66-7 (GND) Ignition switch ACC 11 to 14 V
      TEXT IN ILLUSTRATION

      *1 Front view of wire harness connector
      (to Multi-media Interface ECU)

    NG → See step   2 

    OK → See step   3 

  2. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - RADIO RECEIVER) 
    1. Disconnect the D66 multi-media interface ECU connector.
    2. Disconnect the D60 radio receiver assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D66-11 (ACC) - D60-11 (ACC) Always Below 1 Ω
      D66-12 (+B) - D60-12 (+B) Always Below 1 Ω
      D66-7 (GND) - D60-7 (GND) Always Below 1 Ω
      D66-11 (ACC) - Body ground Always 10 kΩ or higher
      D66-12 (+B) - Body ground Always 10 kΩ or higher
      D66-7 (GND) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   3 

  3. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
RENDER: 1.0x

NO RELATED

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