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:

Back Door Courtesy Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY 2. REMOVE BACK DOOR LOCK ASSEMBLY (a) Disconnect the connector. (b) Disengage the c ...

Headlight (HI-BEAM) Circuit
DESCRIPTION for Halogen Headlight: The main body ECU (driver side junction block assembly) controls the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system bef ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR DOOR SCUFF PLATE LH 2. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP LH 3. REMOVE TONNEAU COVER ASSEMBLY (w/ Tonneau Cover) 4. REMOVE DECK BOARD ASSEMBLY 5. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY 6. REMOVE ...