Vehicle Stability Control System

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

DTC C1201/51 - Engine Control System Malfunction

DESCRIPTION

When the skid control ECU receives an engine control system malfunction signal, this DTC is set and the VSC warning light is illuminated. (The VSC system is operating normally.)
While the engine control system is malfunctioning, as a fail safe function, TR(A)C and VSC controls are prohibited. If a normal signal is received from the engine control system, the warning light will be turned off, the fail safe function will be cancelled and this DTC will be cleared.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK ENGINE CONTROL SYSTEM
(a) Check if any engine control system DTC is output DTC Check / Clear for 2GR-FSE).
Result:






B -- INSPECT ENGINE CONTROL SYSTEM (for 2GR-FSE)
A -- REPLACE ECM (for 2GR-FSE)