Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

TPS (or APS) signal which is used for judging driver's intention is received from engine ECU through CAN line.
This signal is a criteria signal to determined amount of torque distribution at front/rear wheel with steering angle sensor, wheel speed sensor, break signal.






DTC Description

This code related to communication line between ECU and TCCU is set when CAN signal from ECU can't received for more than 1 sec or ECU internal error occur. If failure is detected TCCU prohibits the ITM control and cuts the current to control coil.

DTC Detecting Condition





Schematic Diagram





Signal Waveform & Data




FIG. 1) CAN Signal : high & low