Vehicle Stability Control System (Vacuum Brake Booster)

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): C1201/51: Engine Control System Malfunction
C1201/51 - Engine Control System Malfunction

DESCRIPTION

If a malfunction in the engine control system is detected, the operations of VSC and TRAC are prohibited by the fail safe function. When the signals from the engine are input normally, the fail safe is cancelled and the DTC is not stored.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK ENGINE CONTROL SYSTEM

(a) Clear the DTC (SFI system) DTC Check / Clear

(b) Check if the DTC is output (SFI system) DTC Check / Clear.

Result





C -- INSPECT ENGINE CONTROL SYSTEM Engine Control System - SFI System

B -- INSPECT ENGINE CONTROL SYSTEM Engine Control System - SFI System

A -- CHECK FOR INTERMITTENT PROBLEMS (ENGINE CONTROL SYSTEM) How To Proceed With Troubleshooting