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 TRANSFER ASSEMBLY
(a) Install the transfer assembly to the automatic transaxle assembly
with 2 new bolts and the 6 nuts.
Torque:
69 N·m {700 kgf·cm, 51 ft·lbf}
NOTICE:
Install the ...
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DESCRIPTION
When the power back door cannot be opened or closed using the power back door
control switch, one of the following may be malfunctioning: 1) power back door control
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your readings due
to the type of instrument or other factors. If a trouble code is displayed during
the DTC check, inspect the trouble areas listed for that ...
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