ABS W/BA & VSC System

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The circuit is used to send TRAC & VSC control information from the ABS & BA & TRAC & VSC ECU to the ECM (TRC+, TRC-), and engine control information from the ECM to the ABS & BA & TRAC & VSC ECU (ENG+, ENG-).

Fail safe function:
If a trouble has occurred in the ECM communication circuit, the ECU prohibits the BA & TRAC & VSC controls.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE