Toyota Venza: Diagnosis System

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

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The power back door ECU (power back door motor unit) controls the power back door system functions. Power back door system data and Diagnostic Trouble Code (DTC) 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.

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in o ...

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (a) Disconnect the L20 ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table be ...

Other materials about Toyota Venza:

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

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) To assist the driver with parking the vehicle by displaying an image of the area behind the vehicle, this system has a rear television camera assembly mounted on the back door. The system displays the image on the naviga ...

Brake Switch "A" / "B" Correlation (P0504)
DESCRIPTION The stop light switch is a duplex system that transmits 2 signals: STP and ST1-. These 2 signals are used by the ECM to monitor whether or not the brake system is working properly. If signals which indicate the brake pedal is being depressed a ...