Toyota Venza: Diagnosis System

Toyota Venza Service Manual / Door / Hatch / Back Door Closer System / Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The power back door ECU (power back door motor unit)*1 or back door closer ECU (multiplex network door ECU)*2 controls the vehicle's back door closer system functions. Back door closer system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).

When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

*1: w/ Power Back Door System
*2: w/o Power Back Door System

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 POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR SYSTEM) (a) Disconnect the L20 power back door ECU connector. (b) Measure the voltage and resistan ...

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 / Back Door / ...

Other materials about Toyota Venza:

Interior Light Circuit
DESCRIPTION The illuminated entry system controls the roof console box assembly, step or spot light assembly and transponder key amplifier*1. HINT: *1: w/o Smart Key System WIRING DIAGRAM PROCEDURE 1. PERFORM ACTIVE TEST USING ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR DOOR UPPER WINDOW FRAME MOULDING (a) Engage the guide and install the rear door upper window frame moulding to the door frame. (b) Using an air riveter or ...

Power Steering ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Power Steering ECU Communication Stop Mode "EPS" is not displayed on "CAN Bus Check" screen of the Techstream. ...