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:

Precaution
PRECAUTION 1. NOTICE FOR INITIALIZATION CAUTION: When disconnecting the cable from the negative (-) battery terminal, initialize the following system after the cable is reconnected. System Name See Procedure Back Do ...

Malfunction in Deceleration Sensor (C1245/93)
DESCRIPTION If a malfunction in the deceleration sensor circuit occurs, the AWD control ECU will output this DTC. DTC No. DTC Detecting Condition Trouble Area C1296/96 When the following conditio ...

Operation Check
OPERATION CHECK 1. CHECK POWER SEAT FUNCTION (a) Check the basic functions. (1) Operate the power seat switches and check to make sure each seat function work: Sliding Front vertical (Driver side only) Lumbar support Lifter (Driver s ...