Dtc C1201 Engine Control System Malfunction

Brake. Yaris. Ncp93, 131
Brake Control Dynamic Control Systems. Yaris. Ncp93, 131

DESCRIPTION

INSPECTION PROCEDURE

CHECK ENGINE CONTROL SYSTEM

DTC C1201 Engine Control System Malfunction


DESCRIPTION

If a malfunction in the engine control system is detected, VSC and TRAC operations 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.

DTC Code
DTC Detection Condition
Trouble Area
C1201
Engine control system malfunction signal continues for 1 second or more.
Engine control system

INSPECTION PROCEDURE

1.CHECK ENGINE CONTROL SYSTEM

  1. Check if any engine control system DTC is output (YARIS_NCP93 RM000000PDJ0PQX.html).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output
    		B



B
CHECK ENGINE CONTROL SYSTEM (YARIS_NCP93 RM000000PD90O2X.html)
A

CHECK FOR INTERMITTENT PROBLEMS (ENGINE CONTROL SYSTEM)