ABS - Integrated Chassis Control

DTC C1241 Schematic:

CIRCUIT DESCRIPTION
The Speed Dependent Steering System (Magna Steer), incorporates Its controller into the EBTCM. If one or both of the Magna Steers actuator circuit wires should become open or shorted, a DTC C1241 will set.

ACTION TAKEN WHEN THE DTC SETS
- A malfunction DTC is stored.
- No ABS/TCS/ICCS indicator lamps or messages are turned ON.
- Magna Steers is disabled.
- ABS/TCS/ICCS remains functional.
- SERVICE-STEERING SYSTEM message is turned ON.

CONDITIONS FOR CLEARING THE DTC
Condition for DTC is no longer present and scan tool clear DTC function is used. Fifty start cycles have passed with no DTCs detected.

DIAGNOSTIC AIDS
It is very important that a thorough inspection of the wiring and connectors be performed. Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis, causing part replacement with reappearance of the malfunction. An intermittent malfunction can be caused by poor connections, broken insulation, or a wire that is broken inside the insulation.

TEST DESCRIPTION
Refer to Steering Controls, Cell 45, in Electrical Diagnosis for Magna Steer diagnostics.