Dtc C1201/51 Engine Control System Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK ENGINE CONTROL SYSTEM

DTC C1201/51 Engine Control System Malfunction


DESCRIPTION

If a malfunction in the engine control system is detected, the operations of VSC and TRC are prohibited by the fail-safe function.

DTC Code
DTC Detection Condition
Trouble Area
C1201/51
Engine control system malfunction signal continues for 1 second or more.
Engine control system

INSPECTION PROCEDURE

1.CHECK ENGINE CONTROL SYSTEM

  1. Check if an engine control system DTC is output (Toyota Fortuner RM0000012WY005X.html).

    Result
    Result
    		Proceed to
    DTC not output
    		A
    DTC output
    		B



B
INSPECT ENGINE CONTROL SYSTEM
A

CHECK FOR INTERMITTENT PROBLEMS (ENGINE CONTROL SYSTEM)