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:

IG Power Supply Voltage Malfunction (C1551)
DESCRIPTION The power steering ECU distinguishes the ignition switch status as ON or off through the IG power source circuit. DTC No. DTC Detection Condition Trouble Area C1551 IG power source ci ...

System Description
SYSTEM DESCRIPTION 1. SEAT BELT WARNING SYSTEM DESCRIPTION If a seat belt is not fastened, this system flashes the seat belt warning light or sounds the seat belt warning buzzer as a reminder. (a) Driver side seat belt warning light: When the driver side ...

Door Courtesy Switch Circuit
DESCRIPTION When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch assembly (for driver side) open/close condition, and enters the key registration mode. WIRING DIAGRAM CAUTION / ...

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