Toyota Venza manuals

Toyota Venza: System Description

SYSTEM DESCRIPTION

1. GENERAL

The rear window defogger wires are attached to the inside of the rear window and defog the window surface quickly by pressing the rear window defogger switch on the air conditioning control assembly. The indicator light is illuminated while the system is operating. The system automatically turns off after approximately 15 minutes.

HINT:

  • The rear window defogger is linked with the mirror heater and windshield deicer.
  • If both of the following conditions are met after approximately 15 minutes from the rear window defogger was activated, the rear window defogger continues to operate up to 45 minutes. If any of the following conditions are not met, the rear window defogger stops operating immediately.
    • The outside temperature is 0°C (32 °F) or below.
    • The vehicle speed is 60 km/h (37 mph) or more.

2. FUNCTION OF MAIN COMPONENT

Component

Outline

RR DEF Relay

Receives rear window defogger activation request signal from the air conditioning amplifier assembly and supplies power to the rear window defogger.

Rear Window Defogger Wire

Receives power from the RR DEF relay and heats the window using the rear window defogger wires.

Precaution
PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Proc ...

System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Air Conditioning Control Assembly ...

Other materials about Toyota Venza:

Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION The tire pressure warning ECU receives a vehicle speed signal from the combination meter and an engine speed signal from the ECM. The tire pressure warning ECU uses these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...

Unmatched Encryption Code (B2794)
DESCRIPTION This DTC is stored when a key with an incomplete key code is inserted into the ignition key cylinder. DTC No. DTC Detection Condition Trouble Area B2794 Key with incomplete key code i ...

Headlight Leveling ECU Power Source Circuit
DESCRIPTION This circuit detects the state of the ignition switch, and sends it to the headlight leveling ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the followin ...

© 2016-2025 Copyright www.tovenza.com

0.1248