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Home › Infiniti › 2013 › M35h › Repair and Diagnosis › External Pages › Different car › Section 19 (Automatic Transmission) › System › A/T Control System › A/T CONTROL SYSTEM: System Description › A/T CONTROL SYSTEM: Fail-Safe › Fail-Safe Function

Fail-Safe Function

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
DTC Vehicle condition Vehicle behavior for 1st failsafe Vehicle behavior for 2nd failsafe Vehicle behavior for final failsafe
P0705 -
  • Fixed in the "D" position (The shifting can be performed)
  • The shifting between the gears of 3 - 4 - 5 - 6 - 7 can be performed
  • Manual mode is prohibited
  • Shift position indicator is switched OFF
  • Starter relay is switched OFF (starter is disabled)
  • Back-up lamp is OFF
  • Large shift shock
 -
  • Fixed in the "D" position (The shifting can be performed)
  • The shifting between the gears of 3 - 4 - 5 - 6 - 7 can be performed
  • Manual mode is prohibited
  • Shift position indicator is switched OFF
  • Starter relay is switched OFF (starter is disabled)
  • Back-up lamp is OFF
  • Large shift shock
P0710 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear while driving
  • Manual mode is prohibited
 -
P0717 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear while driving
  • Manual mode is prohibited
 -
P0720 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • A vehicle speed signal from the combination meter is regarded as an effective signal
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear at driving
  • Manual mode is prohibited
  • A vehicle speed signal from the combination meter is regarded as an effective signal
 -
P0729
P0731
P0732
P0733
P0734
P0735
P1734		 Gear ratio gap being small Engine torque restriction to 150 Nm - Engine torque restriction to 150 Nm
Gear ratio gap being large Neutral malfunction between the gears of 1 - 2 - 3 and 7
  • Locks in 2GR
  • Locks in 3GR
  • Locks in 4GR
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
 -
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
Other than the above
  • Locks in 1GR
  • Locks in 2GR
  • Locks in 3GR
  • Locks in 4GR
  • Locks in 5GR
  • Locks in 6GR
  • Fix the gear while driving
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 2 - 3 - 4 can be performed
  • The shifting between the gears of 3 - 4 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P0730 -
  • Locks in 5GR
  • Locks in 6GR
  • Locks in 7GR
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
P0745 - Line pressure is set to the maximum hydraulic pressure - Line pressure is set to the maximum hydraulic pressure
P0750
P0775
P0795
P2713
P2722
P2731
P2807		 -
  • Locks in 2GR
  • Locks in 3GR
  • Locks in 4GR
  • Locks in 5GR
  • Locks in 6GR
  • Locks in 7GR
  • Manual mode is prohibited
 -
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 3 - 4 - 5 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • The shifting between the gears of 1 - 2 - 3 - 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P0780 -
  • Locks in 3GR
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
P1705 -
  • Downshift when accelerator pedal is depressed is prohibited
  • Upshift when accelerator pedal is released is prohibited
  • Manual mode is prohibited
 -
  • Downshift when accelerator pedal is depressed is prohibited
  • Upshift when accelerator pedal is released is prohibited
  • Manual mode is prohibited
P1730 -
  • Locks in 1GR
  • Locks in 2GR
  • Locks in 3GR
  • Locks in 4GR
  • Locks in 5GR
  • Locks in 6GR
  • Locks in 7GR
  • Manual mode is prohibited
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Engine torque restriction to 150 Nm
  • Locks in 1GR
  • The shifting between the gears of 2 - 3 - 4 can be performed
  • The shifting between the gears of 3 - 4 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P1815 Malfunction of both switches Manual mode is prohibited - Manual mode is prohibited
P0720 and P1721 Between the gears of 1 - 2 - 3 Locks in 3GR - Locks in 3GR
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear at driving
  • Manual mode is prohibited
 -
  • Fix the gear at driving
  • Manual mode is prohibited
P175A - Clutch 1 solenoid valve OFF command (permanent connection of clutch 1) - Clutch 1 solenoid valve OFF command (permanent connection of clutch 1)
P1881
P1882
P1884
P1885
P1887
P1888
P188A
P188C
P188D
U0101		 - Sub electric oil pump stop (idle stop not allowed) - Sub electric oil pump stop (idle stop not allowed)
P1116 - Sub electric oil pump stop - Sub electric oil pump stop
U0300
U1000		 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Slip of clutch 2 is prohibited
  • Clutch 1 solenoid valve OFF command (permanent connection of clutch 1)
  • Sub electric oil pump stop
  • Large shift shock
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Line pressure is set to the maximum hydraulic pressure
  • Manual mode is prohibited
  • Clutch 1 solenoid valve OFF command (permanent connection of clutch 1)
  • Sub electric oil pump stop
  • Large shift shock
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear at driving
  • Manual mode is prohibited
  • Slip of clutch 2 is prohibited
  • Clutch 1 solenoid valve OFF command (permanent connection of clutch 1)
  • Sub electric oil pump stop
  • Large shift shock
 -
U1115 - Sub electric oil pump stop (idle stop not allowed) - Sub electric oil pump stop (idle stop not allowed)
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