LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Steering Control System (With 4WAS)) >> System Description >> System >> 4WAS System >> 4WAS SYSTEM: Protection Function (4WAS Main Control Unit)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

4WAS SYSTEM: Protection Function (4WAS Main Control Unit)

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.

4WAS system enters in the protection function mode (4WAS system temporarily stopped) if 4WAS system continues the heavy load condition or the sensor self-check condition. (4WAS system reactivates automatically if the heavy load condition and the self-check condition are resolved.) 4WAS warning lamp stays OFF in the protection function mode.

DTC Error area and root cause Contents of protection function
- 4WAS main control unit power supply temporary malfunctioning condition 4WAS system is temporarily stopped.
- 4WAS system heavy load condition
- The sensor of 4WAS system is in self-check condition