Engine Control System Malfunction - Vehicle Stability Control System

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1201/51: Engine Control System Malfunction

DTC 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) Check if the engine control system DTC is output DTC Check / Clear for 2GR-FE, or DTC Check / Clear for 1AR-FE).
Result:





D -- INSPECT ENGINE CONTROL SYSTEM (for 1AR-FE)
C -- INSPECT ENGINE CONTROL SYSTEM (for 2GR-FE)
B -- REPLACE ECM (for 1AR-FE)
A -- REPLACE ECM (for 2GR-FE)