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:

Knock Sensor
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE INTAKE MANIFOLD (a) Remove the intake manifold (See page ). 2. REMOVE KNOCK SENSOR (a) Disconnect the sensor connector. ...

Terminals Of Ecm
TERMINALS OF ECM 1. CHECK ECM Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A49-7 (TC) - B58-104 (E1) V - BR Terminal TC o ...

Inspection
INSPECTION PROCEDURE 1. INSPECT REAR WIPER MOTOR AND BRACKET ASSEMBLY (a) Check the wiper low operation. (1) Connect a battery positive (+) lead to terminal 4 (+B), and a negative (-) lead to terminal 3 (LS) and terminal 5 (E), and check that the motor ...