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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Can Communication System (HV) - Diagnostics - Introduction (7 Of 7)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Data List / Active Test [12/2019 - 11/2023] >> Data List / Active Test [12/2019 - 11/2023]

Data List / Active Test [12/2019 - 11/2023]

WARNING: This page is about a different variant/trim than selected.
  1. DATA LIST 
    NOTE:

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    HINT: 

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    1. Read the Data List.

      Body Electrical > Central Gateway > Data List 

      Tester Display
      IG2 SW
      IG1 SW
      ACC SW
      +B Voltage
      Number of DTC

      Body Electrical > Central Gateway > Data List 

      Tester Display Measurement Item Range Normal Condition
      IG2 SW Ignition switch ON signal (IG2 terminal) OFF or ON OFF: Ignition switch ACC or off
      ON: Ignition switch ON
      IG1 SW Ignition switch ON signal (IG1 terminal) OFF or ON OFF: Ignition switch ACC or off
      ON: Ignition switch ON
      ACC SW Ignition switch ACC signal (ACC terminal) OFF or ON OFF: Ignition switch off
      ON: Ignition switch ACC or ON
      +B Voltage Auxiliary battery voltage (BATT terminal) Over 8 V or Under 8 V Over 8 V: Auxiliary battery voltage 8 V or higher
      Under 8 V: Auxiliary battery voltage below 8 V
      Number of DTC Number of DTCs 0 to 255 0: Normal
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