Toyota Venza: Diagnosis System

Toyota Venza Service Manual / Networking / Lin Communication System / 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 ).

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:

Console boxes
► Front Press the tab and slide to open. ► Rear 1. Pull up the lever to release the lock. 2. Slide the armrest fully rearward. 3. Lift the armrest to open. - When using the rear console box lid as an armrest If necessary, the con ...

Differential Mount Cushion
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL REAR NO. 1 DIFFERENTIAL MOUNT CUSHION (a) Using SST, install a new rear No. 1 differential mount cushion. Text in Illustration *1 Protrusion ...

Back Door Motor Clutch Malfunction (B2225)
DESCRIPTION When an electrical malfunction (open or short) is detected in the clutch circuit of the power back door ECU (power back door motor unit) while the power back door is operating, the power back door ECU (power back door motor unit) stores DTC B2 ...