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
...
Other materials about Toyota Venza:
Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
CAUTION:
Before adjusting the door positions of vehicles equipped with side and curtain
shield airbags, be sure to disconnect the battery. After adjustment, check that
the SRS warning light is operating normally and ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Certification ECU
(Smart key ECU assembly)
Main body ECU
(Driver side junc ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR WIPER MOTOR AND BRACKET ASSEMBLY
(a) Check the wiper low operation.
(1) Connect a battery positive (+) lead to terminal 4 (+B), and a negative (-)
lead to terminal 3 (LS) and terminal 5 (E), and check that the motor ...
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