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:
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
If the sensor rotor needs to be replaced, replace it together with the
rear drive shaft assembly.
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE GENERATOR PULLEY CAP
(a) Using a screwdriver, puncture the center of the generator pulley
cap and pry it off.
NOTICE:
Do not reuse the generator pulley cap.
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuator and other items to be read without removing any parts. This non-intrusive
inspection can be very useful beca ...
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