Toyota Venza: ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the transponder key ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication
ID (See page .gif)
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND) |
|
(a) Disconnect the transponder key ECU assembly connector. |
|
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D22-1 (+B) - Body ground |
Always |
11 to 14 V |
|
D22-2 (IG) - Body ground |
Ignition switch off |
Below 1 V |
|
D22-2 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D22-16 (GND) - Body ground |
Always |
Below 1 Ω |
|
*1 |
Front view of wire harness connector (to Transponder Key ECU Assembly) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE |
Security Indicator Light Circuit
DESCRIPTION
The security indicator light blinks continuously due to a continuous signal received
from the transponder key ECU assembly while in the armed state.
WIRING DIAGRAM
CAUTION / NOTICE ...
Diagnosis Circuit
DESCRIPTION
This circuit is used to read the DTCs that are output from the transponder key
ECU assembly with the Techstream.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the transponder ...
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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 ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Release the vacuum from the booster by depressing the brake pedal several times.
Then remove the brake master cylinder from the brake booster.
PROCEDURE
1. REMOVE FRONT WIPER ARM HEAD CAP
2. REMOVE FRONT WIPER AR ...
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