Toyota Venza: Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the clearance warning ECU assembly.
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 (CLEARANCE WARNING ECU ASSEMBLY POWER SOURCE) |
(a) Disconnect the D79 clearance warning ECU assembly connector.
(b) Measure the voltage according to the value(s) is the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D79-1 (IG) - Body ground |
Engine switch on (IG) |
11 to 14 V |
|
D79-1 (IG) - Body ground |
Engine switch off |
Below 1 V |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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|
2. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D79-30 (E) - Body ground |
Always |
Below 1 Ω |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Clearance Warning Buzzer Circuit
DESCRIPTION
This circuit consists of the No. 1 clearance warning buzzer and clearance warning
ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzer using
a sound pattern t ...
Other materials about Toyota Venza:
Replacement
REPLACEMENT
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
(a) Start up the engine.
(b) Turn the A/C switch on.
(c) Operate the cooler compressor at an engine speed of approximately 1000 rpm
for 5 to 6 minutes to circulate the refrigerant. T ...
System Description
SYSTEM DESCRIPTION
1. SEAT BELT WARNING SYSTEM DESCRIPTION
If a seat belt is not fastened, this system flashes the seat belt warning light
or sounds the seat belt warning buzzer as a reminder.
(a) Driver side seat belt warning light:
When the driver side ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL STIFFENING CRANKCASE RING PIN
NOTICE:
It is not necessary to remove the ring pin unless it is being replaced.
(a) Using a plastic-faced hammer, tap in 2 new ring pins until they stop.
Text in Illustration
...
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