LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) >> Basic Inspection >> Additional Service When Replacing Or Removing DAST Parts >> Special Repair Requirement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Special Repair Requirement

x: Applicable

Parts name Service performed Required service Reference
Replacement Removal
  • Steering force control module
  • Steering angle main control module
  • Steering angle sub control module
x -
  • Configuration for steering force control module
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
Description 
CAUTION:

When off-center is bigger than 120°, refer to Diagnosis Procedure  to correct off-center before performing the work.

ADAS control unit 2 x x
  • Configuration for steering force control module
  • Steering force control reprogramming
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Adjustment of steering angle sensor neutral position
Spiral cable x x
  • Configuration for steering force control module
  • Steering force control reprogramming
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
Steering wheel *1 *1
  • Configuration for steering force control module
  • Steering force control reprogramming
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
Steering angle sensor x x
  • Configuration for steering force control module
  • Steering torque control reprogramming
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Clutch phase position learning
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
  • Steering column assembly
  • Steering clutch assembly
  • Steering upper shaft / Steering lower shaft
x x
  • Configuration for steering force control module
  • Steering torque control reprogramming
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Clutch phase position learning
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
  • Steering gear assembly
  • Suspension components
x x
  • Configuration for steering force control module
  • Configuration for steering angle main control module
  • Configuration for steering angle sub control module
  • Clutch phase position learning
  • Steering rack neutral position learning
  • Adjustment of steering angle sensor neutral position
  • Wheel alignment (toe-in) adjustment with CONSULT

*1: If the neutral position of the steering wheel is different from the straight-ahead status of the vehicle when installing the steering wheel to the same position when it was removed.