Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
(a) Disconnect the P4 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-1 (B) - P4-2 (E) |
R - W-B |
Battery power supply |
Always |
11 to 14 V |
|
P4-5 (IG) - P4-2 (E) |
L - W-B |
Ignition switch power supply |
Ignition switch off |
Below 1 V |
|
P4-5 (IG) - P4-2 (E) |
L - W-B |
Ignition switch power supply |
Ignition switch ON |
11 to 14 V |
|
P4-2 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the P4 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-7 (OPN) - P4-2 (E) |
GR - W-B |
Sliding roof motor open |
Ignition switch ON, SLIDE OPEN switch on |
Below 1 V |
|
P4-7 (OPN) - P4-2 (E) |
GR - W-B |
Sliding roof motor open |
Ignition switch ON, SLIDE OPEN switch off |
11 to 14 V |
|
P4-9 (CLS) - P4-2 (E) |
BR - W-B |
Sliding roof motor close |
Ignition switch ON, SLIDE CLOSE switch on |
Below 1 V |
|
P4-9 (CLS) - P4-2 (E) |
BR - W-B |
Sliding roof motor close |
Ignition switch ON, SLIDE CLOSE switch off |
11 to 14 V |
|
P4-10 (UP) - P4-2 (E) |
LG - W-B |
Sliding roof motor up |
Ignition switch ON, TILT UP switch on |
Below 1 V |
|
P4-10 (UP) - P4-2 (E) |
LG - W-B |
Sliding roof motor up |
Ignition switch ON, TILT UP switch off |
11 to 14 V |
|
P4-8 (DWN) - P4-2 (E) |
R - W-B |
Sliding roof motor down |
Ignition switch ON, TILT DOWN switch on |
Below 1 V |
|
P4-8 (DWN) - P4-2 (E) |
R - W-B |
Sliding roof motor down |
Ignition switch ON, TILT DOWN switch off |
11 to 14 V |
If the result is not as specified, the sliding roof ECU (sliding roof drive gear sub-assembly) may have a malfunction.
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read
through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfuncti ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Other materials about Toyota Venza:
Differential System
Precaution
PRECAUTION
Before disassembly, clean the outside of the differential assembly and
remove any sand or mud to prevent it from entering the inside of the assembly
during disassembly and installation.
When removing an installed pa ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY
NOTICE:
Do not replace the spiral cable with the battery connected and the ignition
switch on (IG).
Do not rotate the spiral cable with the battery connected and the ig ...
Canceling the power back door system (vehicles with power back door)
Turn the main switch to disable the power back door system.
1. Inoperative
2. Operative
The back door cannot be operated even with the wireless remote control or power
back door switch.
A buzzer will sound twice if the power back door switch is pressed ...
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