Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (driver side junction block assembly) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
- If the voltage is below 11 V, recharge or replace the battery.
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A and 2C main body ECU (driver side junction block) connectors.
(b) Disconnect the 2F main body ECU ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key. ...
Other materials about Toyota Venza:
Front Lower Suspension Arm(when Using The Engine Support Bridge)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
PROCEDURE
1. REMOVE FRONT FRAME ASSEMBLY
for 1AR- ...
Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
If the steering lock ECU (steering lock actuator assembly) determines that there
is a malfunction inside the ECU, it outputs this DTC. Diagnostic communication between
the steering lock ECU (steering lock actuator assembly) and the Techstream ...
Using the AUX port/USB port
This port can be used to connect a portable audio device and listen to it
through the vehicle’s speakers.
Open the cover.
Connect the portable audio device.
- Operating portable audio devices connected to the audio system
The volume can be adj ...
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