LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) >> Ecu Diagnosis Information >> Steering Force Control Module >> Protection Function
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Protection Function

DTC

Condition

Vehicle condition

C13E3-00

The steering wheel is steered over the limit angle.

System changes to the protection mode temporarily. (Steering operation may become heavy temporarily, however steering wheel can be operated without interference. This is not a system malfunction.)

C13E4-00

When steering clutch is released, steering clutch is not released within regular time with overloading steering wheel.

C13E5-00

When steering clutch is released, steering clutch is not released in spite of trying to release it many times with overloading steering wheel.

System changes to fail-safe mode (mode 2). For fail-safe, refer to Fail-safe .

C13E6-00

EPS/DAST 3:

Internal temperature of steering force motor is 150 deg.C (302 deg.F) or more.

System changes to the protection mode temporarily. (Steering operation may become heavy temporarily, however steering wheel can be operated without interference. This is not a system malfunction.)

DAST 1, DAST 2:

Internal temperature of control module is 90 deg.C (194 deg.F) or more.

C13E7-00

Power supply voltage of control module is low temporarily.

C13E8-00

  • Steering wheel is operated under a condition where the steering angle is physically restricted due to the influence of curbstones or other substances.
  • Steering gear is out of neutral position. (Large)