Toyota Venza: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Confirm problem symptoms (See page .gif)
).
|
|
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 |
| B | .gif) |
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 |
| B | |
GO TO STEP 7 |
|
|
6. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart (See page
).
| NEXT | |
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 |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
Center Airbag Sensor Assembly
EC ...
System Description
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. ...
Other materials about Toyota Venza:
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Method
Center airbag sensor assembly
Combination meter assembly
Front seat inner belt buckl ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/o Seat Heater Syste ...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
This circuit consists of the occupant classification ECU and power source circuit
(battery, fuse and wire harness).
DTC B1794 is recorded when a malfunction is detected in the occupant classification
ECU or power source circuit.
HINT:
If DT ...
0.1621