DIFFERENTIAL SYSTEM(w/ Differential Lock) FAIL-SAFE CHART

DIFFERENTIAL SYSTEM (w/ Differential Lock)
DTC NO. Fail-safe Operation Fail-safe Deactivation Condition
P17C2 All switching prohibited Recovers from open circuit in differential lock shift motor drive circuit of differential lock shift actuator and ignition switch is turned from off to ON
P17C3 Rear differential switching from free to lock prohibited Differential lock shift actuator limit switch signal returns to normal and ignition switch is turned from off to ON
U0122 All switching prohibited

  • Switching complete

  • CAN communication signal from skid control ECU is received and ignition switch is turned from off to ON

  • CAN communication returns to normal and transfer position switch and transfer shift actuator assembly positions are matched

  • Center differential lock indicator light finishes blinking 3 times and buzzer finishes sounding 3 times

  • CAN communication returns to normal and differential lock switch input signal (free or lock) and differential lock shift actuator position (free or lock) are matched
U0416 All switching prohibited

  • Switching complete

  • CAN communication signal from skid control ECU is received and ignition switch is turned from off to ON

  • CAN communication returns to normal and transfer position switch and transfer shift actuator assembly positions are matched

  • Center differential lock indicator light finishes blinking 3 times and buzzer finishes sounding 3 times

  • CAN communication returns to normal and differential lock switch input signal (free or lock) and differential lock shift actuator position (free or lock) are matched