Dtc C1340 Center Differential Lock Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (EXI TERMINAL)

RECONFIRM DTC

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU/TRANSFER SHIFT ACTUATOR)

DTC C1340 Center Differential Lock Circuit


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
C1340
An open circuit is detected in the EXI circuit of the skid control ECU.
  1. Harness or connector
  2. Transfer system
  3. Skid control ECU (Master cylinder solenoid)

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Brake Control Dynamic Control Systems.Anti-Lock Brake System. Dtc C1340 Center Differential Lock Circuit


INSPECTION PROCEDURE

NOTICE:
After replacing the master cylinder solenoid, perform zero point calibration and store the system information (Click here).
1.CHECK HARNESS AND CONNECTOR (EXI TERMINAL)

  1. Turn the ignition switch off.

  1. Disconnect the skid control ECU (master cylinder solenoid) connector.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Brake Control Dynamic Control Systems.Anti-Lock Brake System. Dtc C1340 Center Differential Lock Circuit

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    A24-27 (EXI) - Body ground
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Skid Control ECU [Master Cylinder Solenoid])


NG
Go to step 3
OK


2.RECONFIRM DTC

  1. Clear the DTCs (Click here).

  1. Turn the ignition switch off.

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output (for LHD)
    		B
    DTC is output (for RHD)
    		C


B
REPLACE MASTER CYLINDER SOLENOID (Click here)

C
REPLACE MASTER CYLINDER SOLENOID (Click here)
A

CHECK FOR INTERMITTENT PROBLEMS (Click here)

3.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU/TRANSFER SHIFT ACTUATOR)

  1. Disconnect the A24 skid control ECU (master cylinder solenoid) connector.

  1. Disconnect the A27 4 wheel drive control ECU connector.

  1. Disconnect the C37 transfer shift actuator assembly connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:

    Tester Connection
    		Condition
    		Specified Condition
    A24-27 (EXI) - A27-1 (P1)
    		Always
    		Below 1 Ω
    A24-27 (EXI) - C37-3 (CDL)
    		Always
    		Below 1 Ω
    A24-27 (EXI) - Body ground
    		Always
    		10 kΩ or higher
    C37-7 (GND1) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

GO TO TRANSFER SYSTEM (PROBLEM SYMPTOMS TABLE) (Click here)