Dtc C1340 Center Differential Lock Circuit

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS

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 CodeDTC Detection ConditionTrouble Area
C1340An open circuit is detected in the EXI circuit of the skid control ECU.
Harness or connector
Transfer system
Skid control ECU (Master cylinder solenoid)

WIRING DIAGRAM

Dtc C1340 Center Differential Lock Circuit. BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

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

Turn the ignition switch off.

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

Dtc C1340 Center Differential Lock Circuit. BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

  • Standard Voltage:
  • Tester ConnectionSwitch ConditionSpecified Condition
    A24-27 (EXI) - Body groundIgnition switch ON11 to 14 V
Text in Illustration
*aFront view of wire harness connector
(to Skid Control ECU [Master Cylinder Solenoid])
NG
Go to step 3
OK
2.RECONFIRM DTC

Clear the DTCs ().

Turn the ignition switch off.

Check for DTCs ().

Result
ResultProceed to
DTC is not outputA
DTC is output (for LHD)B
DTC is output (for RHD)C
B
REPLACE MASTER CYLINDER SOLENOID ()
C
REPLACE MASTER CYLINDER SOLENOID ()
A
CHECK FOR INTERMITTENT PROBLEMS ()
3.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU/TRANSFER SHIFT ACTUATOR)

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

Disconnect the A27 4 wheel drive control ECU connector.

Disconnect the C37 transfer shift actuator assembly connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    A24-27 (EXI) - A27-14 (P1)AlwaysBelow 1 Ω
    A24-27 (EXI) - C37-3 (CDL)AlwaysBelow 1 Ω
    A24-27 (EXI) - Body groundAlways10 kΩ or higher
    C37-7 (GND1) - Body groundAlwaysBelow 1 Ω
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
GO TO TRANSFER SYSTEM (PROBLEM SYMPTOMS TABLE) ()