Toyota Venza: Driver Side Seat Belt Warning Light does not Operate

Toyota Venza Service Manual / Seat Belt / Seat Belt Warning System / Driver Side Seat Belt Warning Light does not Operate

DESCRIPTION

When the ignition switch is ON, the center airbag sensor assembly transmits front seat inner belt status signals to the combination meter assembly through CAN. If the driver seat belt is not fastened, the combination meter assembly blinks the driver side seat belt warning light. If the seat belt is fastened, the warning light goes off.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

The seat belt warning system uses the CAN communication system. First, confirm that there is no malfunction in the CAN communication system. Refer to the How to Proceed with Troubleshooting procedure (See page ).

PROCEDURE

1.	CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Clear the DTC (See page ).

(b) Recheck for DTCs.

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

GO TO CAN COMMUNICATION SYSTEM

2.	CHECK DTC OUTPUT (AIRBAG SYSTEM)

(a) Clear the DTC (See page ).

(b) Recheck for DTCs.

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

GO TO AIRBAG SYSTEM

3.	PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Combination Meter (Combination Meter Assembly)

Tester Display	Test Part	Control Range	Diagnostic Note
Driver Side Seat Belt	Driver side seat belt warning light	OFF or ON	Confirm that the vehicle stopped with the engine idling

OK:

The driver side seat belt warning light on the combination meter assembly operates normally.

USE SIMULATION METHOD TO CHECK

REPLACE COMBINATION METER ASSEMBLY

Data List / Active Test

DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any p ...

On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT DRIVER SIDE SEAT BELT WARNING (a) Turn the ignition switch to ON. (b) When the driver side seat belt is not fastened, check that the driver side seat b ...

Other materials about Toyota Venza:

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 troubleshooti ...

Open in One Side of CAN Branch Line
DESCRIPTION If some ECUs and sensors are not displayed on the "CAN Bus Check" screen of the Techstream and some ECUs and sensors repeatedly appear and disappear from the screen when the CAN main bus wires are normal (there is no open, short, sho ...

Tire Pressure Warning Light Circuit
DESCRIPTION If the tire pressure warning ECU detects a malfunction, the tire pressure warning light blinks for 1 minute then stays on and tire pressure monitor is canceled at the same time. At this time, the ECU records a DTC in the memory. Connecting te ...