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 ...
Other materials about Toyota Venza:
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR CENTER SEAT OUTER BELT ASSEMBLY
(a) Install the rear center seat outer belt assembly with the bolt and
nut.
Torque:
Bolt :
7.5 N·m {77 kgf·cm, 66 in·lbf}
Nut :
42 N·m {428 kgf·cm, ...
Headlight (HI-BEAM) Circuit
DESCRIPTION
for Halogen Headlight:
The main body ECU (driver side junction block assembly) controls the
high beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system bef ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STARTER RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...
0.1203