Toyota Venza: System Description
SYSTEM DESCRIPTION
1. GENERAL
The windshield deicer system's thin heater wires are attached to the inside of the front window and deice the window surface quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.
HINT:
- The windshield deicer is linked with the window defogger and mirror heater.
2. FUNCTION OF MAIN COMPONENT
|
Component |
Outline |
|---|---|
|
DEICER Relay |
Receives front deicer activation request signals from the air conditioning amplifier assembly and supplies power to front window deicer. |
|
Windshield Deicer Wire |
Receives power from DEICER relay and heats the windshield deicer wire. |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the windshield deicer system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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 lis ...
Other materials about Toyota Venza:
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
below.
Tester Connection
Wiring Color
...
All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions
Operate
DESCRIPTION
When the wireless door lock and unlock functions operate, the communication circuit
between the door lock receiver assembly and certification ECU (smart key ECU assembly)
is normal. When the entry lock and unlock functions do not operate, radi ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING EFFORT (TORQUE)
NOTICE:
Some of these service operations may affect the SRS airbags. Read the precautionary
notices concerning the SRS airbag system before servicing.
(a) Stop the vehicle on a level, pav ...
0.134