Dtc C1201 Engine Control System Malfunction

Brake. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Brake Control Dynamic Control Systems. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC (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.

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 FOR DTC (ENGINE CONTROL SYSTEM)
  1. Check if any engine control system DTC is output (for 1KD-FTV, w/ EGR Cooler: HILUX_TGN26 RM0000031HW01ZX.html, for 1KD-FTV, w/o EGR Cooler: HILUX_TGN26 RM0000031HW021X.html).

    Result
    Result
    Proceed to
    DTC is not output
    A
    DTC is output (for 1KD-FTV w/ EGR Cooler)
    B
    DTC is output (for 1KD-FTV w/o EGR Cooler)
    C



B
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (HILUX_TGN26 RM0000031HW01ZX.html)

C
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (HILUX_TGN26 RM0000031HW021X.html)
A

USE SIMULATION METHOD TO CHECK (HILUX_TGN26 RM000004QR7004X.html)