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:

Unlocking and locking the doors
►Front door handle Grip the driver’s door handle to unlock the door. Grip the passenger’s door handle to unlock all the doors.* Make sure to touch the sensor on the back of the handle. The doors cannot be unlocked for 3 seconds after the doors ...

Tire size
- Typical tire size information The illustration indicates typical tire size. 1. Tire use (P = Passenger car, T = Temporary use) 2. Section width (millimeters) 3. Aspect ratio (tire height to section width) 4. Tire construction code (R = Radial ...

Speed Sensor Rotor Faulty (C1237/37,C1275/75-C1278/78)
DESCRIPTION The skid control ECU measures the speed of each wheel by receiving signals from the speed sensor. These signals are used for recognizing that all four wheels are operating properly. Therefore, all wheel signals must be equal. DTCs C1275/75 to ...