Engine Control System Malfunction - Vehicle Stability Control System

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (for 2AZ-FE): C1201/51: Engine Control System Malfunction
C1201/51 - Engine Control System Malfunction

DESCRIPTION

If the engine control system is malfunctioning, VSC and TRAC operations are prohibited, as a fail safe function. If a normal signal is received from the engine control system, the fail safe function will be cancelled and the DTC will be cleared.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK ENGINE CONTROL SYSTEM

(a) Check if the engine control system DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result:





B -- INSPECT ENGINE CONTROL SYSTEM (for 2AZ-FE) How to Proceed with Troubleshooting

A -- REPLACE ECM (for 2AZ-FE) Removal