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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH
(a) Check the operation of the mirror surface.
(1) Disconnect the outer rear view mirror assembly RH connector.
(2) Apply battery ...
Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No.
DTC Detection Condition
Trouble Area
U0073
CAN bus connection error
CAN communicatio ...
Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the driver door entry lock function operates normally, but its entry unlock
function does not, this means that the request code from the driver door is being
output normally. In this case, a malfunction in the touch sensor circuit (from the ...
0.1297