LEMON Manuals: Even more car manuals for everyone
Home >> Mitsubishi >> 2007 >> Outlander ES >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis & On-Vehicle Testing >> Automatic Transaxle Diagnosis >> Fail-Safe/Backup Function

Fail-Safe/Backup Function

When a malfunction of a main sensor or actuator is detected by the PCM, the transaxle is controlled by pre-set control logic to maintain safe conditions for driving.

The following table shows how the fail-safe/backup function affects vehicle driveability and operation.

FAIL-SAFE/BACKUP FUNCTION

DTC code No. Detection items Fail-safe
P0705 Transmission range switch system
  • Fixed at the D range.
  • Manual mode is prohibited.
  • Lock-up is prohibited.
P0712 Transmission fluid temperature sensor system (Short circuit) Not present.
P0713 Transmission fluid temperature sensor system (Open circuit) Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
P0715 Input shaft speed sensor system
  • Fixed to the driving gear position during driving, and to 3rd gear after a vehicle stop.
P0720 Output shaft speed sensor system
P0729 6th gear incorrect ratio The current shift position is continued, and gear is fixed to 3rd gear after a vehicle stop.
P0731 1st gear incorrect ratio
  • At engine runup detection: Fixed to 5th gear after a vehicle stop.
  • At gear ratio abnormality detection: Fixed to 2nd, 3rd, 4th gear.
P0732 2nd gear incorrect ratio The current shift position is continued, and gear is fixed to 5th gear after a vehicle stop.
P0733 3rd gear ratio The current shift position is continued, and gear is fixed to 6th gear after a vehicle stop.
P0734 4th gear incorrect ratio The current shift position is continued, and gear is fixed to 3rd or 5th gear after a vehicle stop.
P0735 5th gear incorrect ratio The current shift position is continued, and gear is fixed to 2nd gear after a vehicle stop.
P0736 Reverse gear incorrect ratio Controlled by making the line pressure to maximum.
P0741 Torque converter clutch system (Stuck off) Lock-up is prohibited.
P0742 Torque converter clutch system (Stuck on) Lock-up is prohibited.
P0743 Lock-up and Low-reverse brake linear solenoid valve system Fixed to 5th gear during driving and to 3rd gear after a vehicle stop.
P0748 Line pressure linear solenoid valve system Controlled by making the line pressure to maximum.
P0753 Low clutch linear solenoid valve system Fixed to 5th gear.
P0758 2-6 brake linear solenoid valve system Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
P0763 3-5 reverse clutch linear solenoid valve system Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
P0768 High clutch linear solenoid valve system Fixed to 5th gear.
P0815 Paddle shift switch (up) system The manual mode operation during the driving cycle(1) in question is prohibited.
P0816 Paddle shift switch (down) system The manual mode operation during the driving cycle(1) in question is prohibited.
P0826 Shift switch assembly system The manual mode during the driving cycle(1) in question is prohibited.
P0841 Low clutch pressure switch system Control is continued with always switch on.
P0846 2-6 brake pressure switch system Control is continued with always switch on.
P0871 3-5 reverse clutch pressure switch system Control is continued with always switch on.
P0876 High clutch pressure switch system Control is continued with always switch on.
P0893 Interlock detection Fixed to a feasible shift position.
P0988 Low-reverse brake pressure switch system Control is continued with always switch on.
P1705 Throttle position sensor information (engine)
  • Controlled with the throttle position fixed to 2/8 position.
  • Lock-up is prohibited.
P1706 Accelerator pedal position information
  • Controlled with the throttle position fixed to 2/8 position.
  • Lock-up is prohibited.
P1731 1st engine brake detection The low-reverse brake is released.
P1753 Low clutch shift solenoid valve system Not present.
P1758 Low-reverse brake shift solenoid valve system Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
P1773 ABS Information (ASC) The lock-up during the deceleration and when vehicle speed is 40 km/h (25 mph) or less is prohibited.
P1794 Ground return Fixed to 5th gear.
U0001 CAN bus off Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
U0100 ECM time out Fixed to 5th gear during driving, and to 3rd gear after a vehicle stop.
U0121 ASC-ECU time out No action
U0141 ETACS-ECU time out Judges as brake ON, and continues control.
(1) Indicates the series of driving cycle "ignition key OFF → ON → drive → OFF."
scientia non olet · About LEMON Manuals