Active Torque Control 4Wd System Tc And Cg Terminal Circuit

Drive Line. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Differential. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DLC3 (TC VOLTAGE)

CHECK CAN COMMUNICATION SYSTEM

CHECK WIRE HARNESS (DLC3 - ECM)

CHECK WIRE HARNESS (DLC3 - BODY GROUND)

CHECK CAN COMMUNICATION SYSTEM

ACTIVE TORQUE CONTROL 4WD SYSTEM - TC and CG Terminal Circuit


DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the 4WD control ECU to display 2-digit DTCs by flashing the 4WD indicator light.

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Differential.Active Torque Control 4Wd System.Active Torque Control 4Wd System Tc And Cg Terminal Circuit


INSPECTION PROCEDURE

HINT:
Check the condition of each related circuit connector before troubleshooting (RAV4_ACA30 RM000000UZ306OX.html).
1.CHECK DLC3 (TC VOLTAGE)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Differential.Active Torque Control 4Wd System.Active Torque Control 4Wd System Tc And Cg Terminal Circuit

  1. Turn the ignition switch on (IG).

  1. Measure the voltage of the DLC3.

    Standard voltage:
    Tester Connection
    		Specified Condition
    E16-13 (TC) - E16- 4 (CG)
    		10 to 14 V


NG
Go to step 3
OK


2.CHECK CAN COMMUNICATION SYSTEM

  1. Check if the CAN communication DTC is output (RAV4_ACA30 RM000001RSW01ZX.html).

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


B
REPAIR CIRCUIT INDICATED BY OUTPUT DTC
A

REPLACE 4WD CONTROL ECU

3.CHECK WIRE HARNESS (DLC3 - ECM)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Differential.Active Torque Control 4Wd System.Active Torque Control 4Wd System Tc And Cg Terminal Circuit

  1. Turn the ignition switch off.

  1. Disconnect the A12 ECM connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    for 3ZR-FAE:
    Tester Connection
    		Specified Condition
    E16-13 (TC) - A12-41 (TC)
    		Below 1Ω
    E16-13 (TC) - Body ground
    		10 kΩ or higher
    for 1AZ-FE, 2AZ-FE, 2GR-FE:
    Tester Connection
    		Specified Condition
    E16-13 (TC) - A12-27 (TC)
    		Below 1Ω
    E16-13 (TC) - Body ground
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


4.CHECK WIRE HARNESS (DLC3 - BODY GROUND)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Differential.Active Torque Control 4Wd System.Active Torque Control 4Wd System Tc And Cg Terminal Circuit

  1. Measure the resistance of the DLC3.

    Standard resistance:
    Tester Connection
    		Specified Condition
    E16-4 (CG) - Body ground
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


5.CHECK CAN COMMUNICATION SYSTEM

  1. Check if the CAN communication DTC is output (RAV4_ACA30 RM000001RSW01ZX.html).

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


B
REPAIR CIRCUIT INDICATED BY OUTPUT DTC
A

REPLACE 4WD CONTROL ECU