Toyota Venza manuals

Toyota Venza: 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:

Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION This circuit consists of the occupant classification ECU and power source circuit (battery, fuse and wire harness). DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or power source circuit. HINT: If DT ...

Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING BRAKE SWITCH ASSEMBLY (a) Install the parking brake switch assembly with the screw. Torque: 0.9 N·m {9 kgf·cm, 8 in·lbf} 2. INSTALL PARKING BRAKE ...

Replacing a flat tire
Chock the tires. Slightly loosen the wheel nuts (one turn). Turn the tire jack portion “A” by hand until the notch of the jack is in contact with the jack point. Raise the vehicle until the tire is slightly raised off the ground. Remove a ...

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