Dtc C1201 Engine Control System Malfunction

Brake. Land Cruiser. Urj200, 202 Grj200 Vdj200
Brake Control Dynamic Control Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK ENGINE TYPE

CHECK FOR DTC (ENGINE CONTROL SYSTEM)

CHECK FOR DTC (ENGINE CONTROL SYSTEM)

CHECK FOR DTC (ENGINE CONTROL SYSTEM)

DTC C1201 Engine Control System Malfunction


DESCRIPTION

If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU (master cylinder solenoid). The skid control ECU (master cylinder solenoid) stores this DTC and prohibits the following controls:
  1. VSC
  2. TRC
  3. Crawl Control
  4. Multi-terrain select control

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 TYPE

  1. Check the engine type.

    Result
    Result
    		Proceed to
    1VD-FTV
    		A
    1UR-FE
    		B
    3UR-FE
    		C



B
Go to step 3

C
Go to step 4
A


2.CHECK FOR DTC (ENGINE CONTROL SYSTEM)

  1. Check if any engine control system DTC is output (w/o DPF: Click here, w/ DPF: Click here).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output (w/o DPF)
    		B
    DTC is output (w/ DPF)
    		C



B
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (Click here)

C
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (Click here)

3.CHECK FOR DTC (ENGINE CONTROL SYSTEM)

  1. Check if any engine control system DTC is output (Click here).

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



B
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (Click here)

4.CHECK FOR DTC (ENGINE CONTROL SYSTEM)

  1. Check if any engine control system DTC is output (Click here).

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



B
GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (Click here)