Toyota Venza: TC and CG Terminal Circuit

Toyota Venza Service Manual / Mf1a Transfer / 4wd / Awd / Active Torque Control 4wd System / TC and CG Terminal Circuit

DESCRIPTION

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

HINT:

When each warning light remains blinking, a short to ground in the wiring of terminal TC of the DLC3 or an internal short to ground in each ECU is suspected.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

HINT:

Check the condition of each related circuit connector before troubleshooting (See page ).

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication DTC is output (See page ).

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

REPAIR CAN COMMUNICATION SYSTEM

2.	CHECK WIRE HARNESS (TC OF DLC3 - TC OF ECM AND BODY GROUND)

(a) Turn the ignition switch off.

(b) Disconnect the ECM connector.

Standard Resistance:

Tester Connection (DLC3 - ECM)	Condition	Specified Condition
D1-13 (TC) - A41-16 (TC)	Always	Below 1 Ω
D1-13 (TC) - A49-7 (TC)	Always	Below 1 Ω
D1-13 (TC) - Body Ground	Always	10 kΩ or higher

Tester Connection

(DLC3 - ECM)

Condition

Specified Condition

D1-13 (TC) - A41-16 (TC)

Always

Below 1 Ω

D1-13 (TC) - A49-7 (TC)

Always

Below 1 Ω

D1-13 (TC) - Body Ground

Always

10 kΩ or higher

Text in Illustration

*1	DLC3
*2	Front view of wire harness connector (to ECM)
*3	2GR-FE
*4	1AR-FE

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)

(a) Measure the resistance of the DLC3.

Standard Resistance:

Tester Connection	Condition	Specified Condition
D1-4 (CG) - Body ground	Always	Below 1 Ω

Text in Illustration

DLC3

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.	CHECK WIRE HARNESS (TC OF DLC3 - BODY GROUND)

(a) Measure the resistance of the DLC3.

Standard Resistance:

Tester Connection	Condition	Specified Condition
D1-13 (TC) - Body ground	Always	Below 1 Ω

Text in Illustration

DLC3

REPLACE AWD CONTROL ECU

REPAIR OR REPLACE HARNESS OR CONNECTOR

AWD Warning Light Remains ON

DESCRIPTION The AWD control ECU is connected to the combination meter via the CAN communication system. If the AWD control ECU stores any DTCs which are related to the active torque control 4WD ...

Transfer Assembly(when Not Using The Engine Support Bridge)

...

Other materials about Toyota Venza:

Door Mirror Foot Light
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE OUTER MIRROR 2. REM ...

Adjustment
ADJUSTMENT PROCEDURE 1. INSPECT SHIFT LEVER POSITION (a) When moving the lever from P to R with the ignition switch ON and the brake pedal depressed, make sure that the shift lever moves smoothly and moves correctly into position. (b) Start the engine ...

Installation
INSTALLATION PROCEDURE 1. INSTALL NAVIGATION RECEIVER ASSEMBLY 2. INSTALL NO. 2 RADIO RECEIVER BRACKET (a) Install the No. 2 radio receiver bracket with the 4 screws. Torque: 5.0 N·m {51 kgf·cm, 44 in·lbf} 3. INSTALL NO. 1 RADIO RECEIVER BRACKET (a ...