TRANSFER SYSTEM FAIL-SAFE CHART

TRANSFER SYSTEM
DTC NO. Fail-safe Operation Fail-safe Deactivation Condition
U0100 Switching between H4 and L4 prohibited (shift position N signal interrupted)

  • CAN communication signal from ECM is received

  • Engine switch is turned from off to on (IG)

  • CAN communication returns to normal and transfer position switch (integration control and panel assembly) and transfer shift actuator assembly positions are matched
U0122 All switching prohibited

  • Switching complete

  • CAN communication signal from skid control ECU (master cylinder solenoid) is received and engine switch is turned from off to on (IG)

  • CAN communication returns to normal and transfer position switch (integration control and panel assembly) and transfer shift actuator assembly positions are matched

  • Center differential lock indicator light finishes blinking 3 times and buzzer finishes sounding 3 times
U0416 All switching prohibited

  • Switching complete

  • CAN communication signal from skid control ECU (master cylinder solenoid) is received and engine switch is turned from off to on (IG)

  • CAN communication returns to normal and transfer position switch (integration control and panel assembly) and transfer shift actuator assembly positions are matched

  • Center differential lock indicator light finishes blinking 3 times and buzzer finishes sounding 3 times
P163B All switching prohibited 4 wheel drive control ECU internal circuit returns to normal and engine switch is turned from off to on (IG)
P17A8 All switching prohibited Recovers from open circuit in high-low transfer shift motor drive circuit and engine switch is turned from off to on (IG)
P17A9 All switching prohibited Recovers from short to ground in high-low transfer shift motor or center differential lock shift motor drive circuit and engine switch is turned from off to on (IG)
P17AA All switching prohibited Recovers from short to +B in high-low transfer shift motor or center differential lock shift motor drive circuit and engine switch is turned from off to on (IG)
P17AC All switching prohibited or forced High-low transfer limit switch signal returns to normal and engine switch is turned from off to on (IG)
P17D0 Center differential switching from free to lock prohibited

  • Center differential lock switch (integration control and panel assembly) normal signal is input for 3 seconds

  • Engine switch turned from off to on (IG)
P17DE All switching prohibited Recovers from open circuit in center differential lock shift motor drive circuit and engine switch is turned from off to on (IG)
P17DE All switching prohibited or forced

  • Center differential lock limit signal returns to normal and engine switch is turned from off to on (IG)

  • Transfer position switch (integration control and panel assembly) returned to original position