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 |
|
*1 |
Front view of wire harness connector (to A/C Amplifier) |
| OK | .gif) |
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
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Other materials about Toyota Venza:
Installation
INSTALLATION
PROCEDURE
1. INSTALL ATF TEMPERATURE SENSOR ASSEMBLY
(a) Coat a new O-ring with ATF and install it to the ATF temperature
sensor assembly.
Text in Illustration
*1
O-ring
...
Adjustment
ADJUSTMENT
PROCEDURE
1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT
(a) Check the brake pedal height.
(1) Turn back the carpet.
(2) Measure the brake pedal height from the dash panel to the bottom
edge of the brake pedal pad.
Text in Illustrat ...
Initialization
INITIALIZATION
1. RESET BACK DOOR CLOSE POSITION (w/ POWER BACK DOOR SYSTEM)
NOTICE:
Perform initialization of the power back door system (power back door ECU initialization)
if one of the following is performed:
The cable is disconnected from the ...
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