Toyota Venza: AWD Warning Light does not Come ON

Toyota Venza Service Manual / Mf1a Transfer / 4wd / Awd / Active Torque Control 4wd System / AWD Warning Light does not Come ON

DESCRIPTION

Refer to "AWD Warning Light Remains ON" (See page ).

WIRING DIAGRAM

Refer to "AWD Warning Light Remains ON" (See page ).

CAUTION / NOTICE / 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 system DTC is output.

Result	Proceed to
CAN communication system DTC is not output	A
CAN communication system DTC is output	B

HINT:

When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

REPAIR CAN COMMUNICATION SYSTEM

2.	INSPECT AWD WARNING LIGHT

(a) Disconnect the AWD control ECU connector.

(b) Turn the ignition switch to ON.

OK:

AWD warning light comes on.

REPLACE AWD CONTROL ECU

GO TO METER / GAUGE SYSTEM

Engine Circuit Malfunction (C1280/82)

DESCRIPTION If a malfunction in the ECM circuit occurs, the AWD control ECU will output this DTC. DTC No. DTC Detection Condition Trouble Area C12 ...

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 ...

Other materials about Toyota Venza:

Power Source Circuit
DESCRIPTION This circuit supplies power source voltage from the battery to terminal B of the steering lock ECU (steering lock actuator assembly). This is used as power source for the CPU, motor, communication, and peripheral circuits. WIRING DIAGRAM P ...

Speed Sensor Rotor Faulty (C1237/37,C1275/75-C1278/78)
DESCRIPTION The skid control ECU measures the speed of each wheel by receiving signals from the speed sensor. These signals are used for recognizing that all four wheels are operating properly. Therefore, all wheel signals must be equal. DTCs C1275/75 to ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the wiper and washer system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...