Toyota Venza manuals

Toyota Venza: Back-up Power Source Circuit

DESCRIPTION

The back-up power source circuit for the A/C amplifier is shown below. Power is supplied even when the ignition switch is turned off. The power is used for diagnostic trouble code memory, etc.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)

(a) Disconnect the A/C amplifier connector.


(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

D47-21 (B) - Body ground

Always

11 to 14 V

Text in Illustration

*1

Front view of wire harness connector

(to A/C Amplifier)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the A/C amplifier when the ignition switch is ON. The power source is used for operating the A/C amplifier and servo motor, etc. WIRING DIAGRAM ...

Air Conditioning Unit
...

Other materials about Toyota Venza:

Installation
INSTALLATION PROCEDURE 1. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER (a) Using a tacker, install the separate type front seat cushion heater to the end of the separate type front seat cushion cover with 25 new tack pins. NOTICE: ...

Installation
INSTALLATION PROCEDURE 1. INSTALL TELEVISION CAMERA ASSEMBLY (w/ Rear View Monitor System) 2. INSTALL BACK DOOR OPENER SWITCH ASSEMBLY 3. INSTALL NO. 1 BACK DOOR EMBLEM 4. INSTALL NO. 2 BACK DOOR NAME PLATE 5. INSTALL BACK DOOR OUTSIDE GARNIS ...

Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency.  - Removal method Vehicles with smart key system: Turn the “ENGINE START STOP” switch off. Vehicles without smart key system: Turn the engine switch ...

© 2016-2025 Copyright www.tovenza.com

0.114