Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Supplemental Restraint Systems / Airbag System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Confirm problem symptoms (See page ).

3.	CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

HINT:

Refer to Bus Check for the CAN communication system (See page ).

The center airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

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

INSPECT CAN COMMUNICATION CIRCUIT

4.	SRS WARNING LIGHT CHECK

(a) Proceed to Diagnosis System (See page
).

5.	CHECK FOR DTC*

(a) Proceed to DTC Check / Clear (See page
).

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

GO TO STEP 7

6.	DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart (See page ).

GO TO STEP 8

7.	SYMPTOM SIMULATION

(a) Proceed to Diagnosis System (See page
).

8.	PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table (See page ).

9.	CIRCUIT INSPECTION*

10.	IDENTIFICATION OF PROBLEM

11.	REPAIR OR REPLACEMENT

12.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Center Airbag Sensor Assembly EC ...

SYSTEM DESCRIPTION 1. GENERAL (a) Deceleration sensors used for the airbag system are installed on various parts on the vehicle and calculate the deceleration rate of each part during a collision. ...

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System Diagram

System Description

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