TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM FAIL-SAFE CHART


  1. FAIL-SAFE OPERATION AND DEACTIVATION CONDITION

    TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM
    DTC No. Fail-safe Operation Fail-safe Deactivation Condition
    U0100 Switching between H4 and L4 prohibited (shift position N*1 or neutral*2 signal interrupted) CAN communication signal from ECM is received and ignition switch is turned from off to ON
    U0122

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 CAN communication signal from skid control ECU is received and ignition switch is turned from off to ON
    U0416

    Switching from H2 to H4 and rear differential free to lock prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Wheel speed sensor malfunction signals from skid control ECU return to normal and ignition switch is turned from off to ON
    P163B

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 4 wheel drive control ECU internal circuit returns to normal and ignition switch is turned from off to ON
    P17A0

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Recovers from open circuit in A.D.D. shift motor drive circuit and ignition switch is turned from off to ON
    P17A4 Switching between H2 and H4 prohibited A.D.D. actuator limit switch and A.D.D. position switch (3 circuits) signals return to normal and ignition switch is turned from off to ON
    P17A8

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Recovers from open circuit in transfer shift motor drive circuit and ignition switch is turned from off to ON
    P17A9

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Recovers from short to ground in transfer shift motor and A.D.D. shift motor drive circuits and ignition switch is turned from off to ON
    P17AA

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Recovers from short to B+ in transfer shift motor and A.D.D. shift motor drive circuits and ignition switch is turned from off to ON
    P17AC

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Transfer shift actuator limit switch signal returns to normal and ignition switch is turned from off to ON
    P17C7 - Front differential oil temperature sensor enters normal range
    P17C8 - Front differential oil temperature sensor enters normal range
    P2772 - Normal signal from transfer shift actuator L4 detection switch input for 1 second and ignition switch is turned from off to ON
    P279E

    All switching prohibited

    When rear differential is set to lock, rear differential switches to free*3

    		 Normal signal from transfer position switch input for 1 second and ignition switch is turned from off to ON

    • *1: for Automatic Transmission

    • *2: for Manual Transmission

    • *3: w/ Differential Lock