Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when trouble occurs on the vehicle.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to check and solve the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the main body ECU (driver side junction block assembly) connectors.
(b) Measure the resistance and vol ...
Other materials about Toyota Venza:
Assist Map Number Un-Writing (C1581)
DESCRIPTION
The power steering ECU stores this DTC when it determines that the assist map
is not written in the ECU.
HINT:
The assist map is data written in the power steering ECU to control the degree
of assistance. The assist map is selected based on ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
...
Front Occupant Classification Sensor RH Circuit Malfunction (B1781)
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the front occupant classification
sensor RH c ...
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