DIFFERENTIAL


  1. SYSTEM OPERATION


    1. The table below shows how the 4WD control ECU controls the rear differential lock actuator and rear diff. lock indicator light based on the 4WD control ECU signals received from the switches and signals depending on the operation of the differential lock switch.

      Switches and Signal Condition Rear Diff. Rear Diff. Lock Indicator Light
      Differential Lock Switch L4 Position Switch Center Differential Lock Switch Vehicle Speed Rear Diff. Lock Detection Switch
      Off Off Off Not input Off Free Turn OFF
      On Off Off Not input Off Free Blinks 1
      On On On 8 km/h (5 mph) or higher Off Free Blinks 1*1
      On On On 8 km/h (5 mph) or higher*2 Off During shifting into LOCK mode Blinks 2
      On On On 8 km/h (5 mph) or higher*2 On Lock Turn ON

      *1: When the vehicle speed is higher than approximately 8 km/h (5 mph), the 4WD control ECU prohibits shifting in the "LOCK" mode, and blinks the rear diff. lock indicator light.

      *2: For models equipped with the manual transmission, when the clutch pedal is being depressed.

      Figure 1. Rear Diff. Lock Indicator Light Blinks Pattern

      A01W6ENE01

      Tech Tips

      When the rear diff. lock is in operation, the skid control ECU stops the operation of the brake control (Multi-terrain ABS with EBD) and turns on the ABS warning light.