Dtc C1201 Engine Control System Malfunction


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 TRC operations are prohibited by the fail-safe function. When the signals from the engine are input normally, fail-safe is canceled and the DTC is cleared.

DTC Code
DTC Detection Condition
Trouble Area
C1201
An 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 (LandCruiser RM000000VNG00DX.html).

    Result
    Result
    		Proceed to
    DTC not output
    		A
    DTC output
    		B



B
GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (LandCruiser RM000000VNN00FX.html)
A

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)