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 (for 1KD-FTV: Toyota Fortuner RM0000012WY00LX.html, for 1GR-FE: Toyota Fortuner RM0000010E700JX.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)