Toyota Venza: ECU Power Source Circuit
DESCRIPTION
This circuit provides power for main body ECU (driver side junction block assembly) operation.
WIRING DIAGRAM
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PROCEDURE
|
1. |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE)) |
|
(a) Disconnect the 2C driver side junction block assembly connector. |
|
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(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2C-24 - Body ground |
Always |
11 to 14 V |
|
2C-30 - Body ground |
Always |
11 to 14 V |
|
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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|
2. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
|
(a) Disconnect the 2F main body ECU (driver side junction block assembly) connectors. |
|
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2F-16 - Body ground |
Always |
Below 1 Ω |
|
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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DESCRIPTION
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Unlock Warning Switch Circuit
DESCRIPTION
The key unlock warning switch assembly turns on when the ignition key is inserted
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Installation
INSTALLATION
PROCEDURE
1. INSTALL ENGINE MOUNTING DAMPER
(a) Install the engine mounting damper with the 3 bolts.
Torque:
9.0 N·m {92 kgf·cm, 80 in·lbf}
2. INSTALL WIRING HARNESS CLAMP BRA ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DOME CUT RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
CAUTION:
The nuts must not be reused.
Make sure that the front seat frame assembly with adjuster is not deformed.
If it is, replace it with a new one.
PROCEDURE
1. INSTALL FRONT SEAT SIDE AIRBAG A ...
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