Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to help diagnose and repair 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 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the vo ...
Other materials about Toyota Venza:
Lost Communication with Rear Airbag Sensor LH (B1637/82,B1638/82,B1647/82,B1697/82,B1698/82)
DESCRIPTION
The side collision sensor LH circuit (to determine deployment of the front seat
side airbag assembly LH and curtain shield airbag assembly LH) is composed of the
center airbag sensor assembly, rear airbag sensor LH and side airbag sensor LH.
...
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Vehicles with smart key system:
Turn the “ENGINE START STOP” switch off.
Vehicles without smart key system:
Turn th ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT PARKING BRAKE SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch Condition
...
0.1689