DYNAMIC TORQUE CONTROL 4WD/AWD SYSTEM TERMINALS OF ECU

SST
A00YUPH 09843-18040 Diagnosis Check Wire No. 2

  1. CHECK 4WD ECU ASSEMBLY

    A00YROXE02

    1. Measure the voltage and resistance of the connector.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G86-10 (4WDS) - G86-4 (GND) R - W-B 4WD/AWD lock switch signal

      Ignition switch ON

      4WD/AWD lock switch OFF → ON

      		 11 to 14 V → Below 1 V
      G86-11 (EXI)* - G86-4 (GND) GR - W-B Sport mode switch signal

      Ignition switch ON

      Sport mode switch OFF → ON

      		 11 to 14 V → Below 1 V
      G86-6 (CANH) - G86-5 (CANL) L - W HIGH-level CAN bus wire - LOW-level CAN bus wire Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      G86-4 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      G86-3 (IG1) - G86-4 (GND) V - W-B Power source voltage Ignition switch ON 11 to 14 V
      G86-2 (SLC+) - G86-1 (SLC-) W - B 4WD linear solenoid signal D position, Idling Pulse generation (See waveform 1)

      • *: for Manual Transaxle w/ Sport Mode

      If the result is not as specified, the 4WD ECU assembly may have a malfunction.

    2. A00YXUJE01

      Using an oscilloscope, check the waveform 1.

      Waveform 1 (Reference)
      Item Content
      Terminal No. (Symbol) G86-2 (SLC+) - G86-1 (SLC-)
      Tester Range 2 V/DIV., 1 msec./DIV.
      Condition D position, Idling