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 ...

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