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:

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the engine assembly (See page ). PROCEDURE 1. INSTALL ENGINE HANGERS 2. REMOVE ENGINE STAND (a) Remove the engine stand. 3. INSTALL ENGINE WIRE ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WIPER ARM HEAD CAP 2. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH 3. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH 4. REMOVE FRONT FENDER TO COWL SIDE SEAL LH 5. REMOVE FRONT FENDER TO COWL SIDE SEAL RH 6 ...

Yaw Rate Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Yaw Rate Sensor Communication Stop Mode "Yaw Rate/Decelerate Sensor" is not displayed on "CAN Bus Check" screen o ...