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:

Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK (USING SST CHECK WIRE) (a) Check the DTCs (Current trouble codes). (1) Turn the ignition switch to ON, and wait for approximately 60 seconds. (2) Using SST, connect terminals TC and CG of the DLC3. SST: 09843-18040 NOTICE ...

Removal
REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL SAFETY PAD ASSEMBLY (See page ) 2. REMOVE NO. 1 ANTENNA CORD SUB-ASSEMBLY (a) Disengage the 7 clamps and remove the No. 1 antenna cord sub-assembly. 3. REMOVE ROOF HEADLINING ASSEMBLY (See page ) 4. REMO ...

High Temperature Adjustment
HIGH TEMPERATURE ADJUSTMENT PROCEDURE 1. ADJUST FLUID LEVEL AT HIGH TEMPERATURE CAUTION: Use caution while the engine is idling and the cooling fan is operating. Be careful not to burn yourself when the automatic transaxle fluid temperature ...