DIFFERENTIAL SYSTEM DIAGNOSIS SYSTEM


  1. DESCRIPTION

    The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction in the ECU itself or in system circuits.

    The DTCs can be read through the DLC3 of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform troubleshooting.

  2. CHECK DLC3


    1. Inspect the battery voltage.

      If the voltage is below 11 V, recharge the battery before proceeding.

    2. Check the DLC3.

      Click here

    3. FUNCTION OF INDICATOR LIGHT


      1. When a problem occurs in the differential system, the rear differential lock indicator light on the combination meter assembly rapidly blinks* to inform the driver of the problem.

        *: 0.25 second intervals (0.25 seconds on and 0.25 seconds off)

      2. Indicator light (illuminated or blinking) or multi-information display status when DTC is output

      4. DIFFERENTIAL SYSTEM
      DTC No. Rear Differential Lock Indicator Light 4WD Indicator Light (Green) 4LO Indicator Light Multi-information Display Message
      U0122

      Rear differential locked: Illuminated

      Rear differential free: Not illuminated

      		 Not illuminated Rapidly blinking 2WD-4WD mode change malfunction visit your dealer
      U0416
      P163B
      P17BB Rapidly blinking Status displayed* Status displayed* -
      P17BC
      P17C0 Rapidly blinking Status displayed* Status displayed* -
      P17C1
      P17CC Rapidly blinking Status displayed* Status displayed* -


  • CHECK INDICATOR LIGHT


    1. With the ignition switch turned to ON and the transfer in H2, press the differential lock switch and check that the rear differential lock indicator light blinks* 3 times.

      *: 0.5 second intervals (0.5 seconds on and 0.5 seconds off)