Toyota Venza: Air Conditioning Unit

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 mem ...

Components

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Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY 2. REMOVE REAR WIPER ARM HEAD CAP (a) Disengage the 4 claws and remove the rear wiper arm head cap as shown in the illustration. 3. ...

ECU Power Source Circuit
DESCRIPTION When the ignition switch is turned to ON, voltage from the ECM's MREL terminal is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay to close, which supplies power to terminal +B of the TCM. WIRING DIAGRAM PR ...

Air Outlet Damper Control Servo Motor Circuit (B1443/43)
DESCRIPTION The air outlet control servo motor sends pulse signals to indicate the damper position to the A/C amplifier. The A/C amplifier activates the motor (normal or reverse) based on these signals to move the mode damper to any position, which contro ...