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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door Lock (Except Hybrid) >> Ecu Diagnosis Information >> Trunk Closure Control Unit >> Fail-safe

Trunk Closure Control Unit: Fail-safe

Fail-safe function is adopted to the trunk lid auto closure system as per the following.

Fail-safe mode is canceled when the cause of malfunction is fixed.

Malfunction

Trunk closure operation

Switch malfunction

The system enters into either the following condition after trunk closure motor returns to the neutral position depending on the malfunctioning switch.

  • All operations are not available
  • Closing operation is not available

Continuous operation

In case that open/close operations are performed continuously (Approximately 50 times at room temperature), trunk closure control unit stops all operations to prevent overheating. The open/close operations can be available after the temperature of trunk closure motor is reduced to the specified value.

Foreign material pinching

In case that fully closed status of trunk lid cannot be detected when more than 4.6 seconds are passed after retracting operation of trunk closure motor is started, trunk closure control unit stops the retracting operation and operates the trunk closure motor in reverse direction to open trunk lid. Then trunk closure motor returns to the neutral position.