Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

The HECU supplies operating voltage with Steering angle senor (12V), Yaw & later G sensor (12V), G sensor (5V).
The HECU monitors supply voltage of each sensor for normal ESC control.
If supply voltage is out of specified range ESC warning lamps are turned on and ESC controls are inhibited.

DTC Description

A failure is detected if the external sensor supply voltage is out of the specified range for more than the specified min. fault duration.

DTC Detecting Condition





Diagnostic Circuit