Diesel Data: Automotive Repair

C1201





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

DESCRIPTION

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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK ENGINE CONTROL SYSTEM

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

Result:





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

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