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HOMESERVICE MANUALSTOYOTA20184RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTNAVIGATION SYSTEM - SYMPTOM TESTS (2 OF 2) & CIRCUIT TESTSNAVIGATION SYSTEMSTEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT [08/2015 - 08/2019]PROCEDURE
2018 Toyota 4Runner SR5, 4WD

Stereo Component Amplifier Power Source Circuit [08/2015 - 08/2019]: Procedure

2018 Toyota 4Runner SR5, 4WDSECTION Procedure
  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the N11 and N14 stereo component amplifier assembly connectors.
      GTY704764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N14-2 (GND) - Body ground Always Below 1 Ω
      N14-6 (GND2) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      N14-1 (+B) - N14-2 (GND) Always 11 to 14 V
      N14-3 (+B2) - N14-2 (GND) Always 11 to 14 V
      N11-12 (ACC) - N14-2 (GND) Ignition switch ACC 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Stereo Component Amplifier Assembly)

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS AND CONNECTOR 

RENDER: 1.0x

NO RELATED

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