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:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 1 CENTER SUPPORT BEARING ASSEMBLY (a) Set the No. 1 center support bearing on the intermediate shaft as shown in the illustration. NOTICE: Make sure to install the bearing in the correct position. ...

Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION The radio and display receiver assembly and inner rear view mirror assembly (amplifier microphone assembly) are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio and display receiver ...

Charge Warning Light Comes ON while Driving
PROCEDURE 1. CHECK LOCK FUNCTION OF GENERATOR CLUTCH PULLEY (a) Check the lock function with the pulley installed in the vehicle. (1) Visually check that the rotor in the generator operates with the engine running. (b) Check ...