Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. OCCUPANT CLASSIFICATION ECU (for Power Seat)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specification |
|---|---|---|---|---|
|
S12-1 (+B) - S12-3 (GND) |
GR - W-B |
Battery |
Always |
10 to 14 V |
|
S12-2 (DIA) - S12-3 (GND) |
SB - W-B |
Diagnosis (DLC3) |
Ignition switch ON |
Pulse generation |
|
S12-3 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
|
S12-4 (FSR-) - S12-3 (GND) |
B - W-B |
Center airbag sensor assembly communication line (-) |
Always |
Below 1 V |
|
S12-5 (BGND) - S12-3 (GND) |
GR - W-B |
Passenger side buckle switch ground line |
Always |
Below 1 V |
|
S12-7 (IG) - S12-3 (GND) |
V - W-B |
Power source (ECU-B fuse) |
Ignition switch ON |
10 to 14 V |
|
S12-8 (FSR+) - S12-4 (FSR-) |
W - B |
Center airbag sensor assembly communication line |
Ignition switch ON |
Pulse generation |
|
S12-9 (BSW) - S12-5 (BGND) |
L - GR |
Passenger side buckle switch line |
Always |
4 to 14 V |
|
S13-1 (SGD1) - S12-3 (GND) |
R - W-B |
Front occupant classification sensor LH ground line |
Always |
Below 1 V |
|
S13-2 (SGD2) - S12-3 (GND) |
Y - W-B |
Front occupant classification sensor RH ground line |
Always |
Below 1 V |
|
S13-3 (SGD3) - S12-3 (GND) |
BR - W-B |
Rear occupant classification sensor LH ground line |
Always |
Below 1 V |
|
S13-4 (SGD4) - S12-3 (GND) |
LG - W-B |
Rear occupant classification sensor RH ground line |
Always |
Below 1 V |
|
S13-5 (SVC3) - S13-3 (SGD3) |
G - BR |
Rear occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
4.9 to 5.1 V |
|
S13-6 (SVC4) - S13-4 (SGD4) |
GR - LG |
Rear occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
4.9 to 5.1 V |
|
S13-7 (SIG1) - S13-1 (SGD1) |
P - R |
Front occupant classification sensor LH signal line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
0 to 5.1 V |
|
S13-8 (SIG2) - S13-2 (SGD2) |
GR - Y |
Front occupant classification sensor RH signal line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
0 to 5.1 V |
|
S13-9 (SIG3) - S13-3 (SGD3) |
L - BR |
Rear occupant classification sensor LH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
0 to 5.1 V |
|
S13-10 (SIG4) - S13-4 (SGD4) |
SB - LG |
Rear occupant classification sensor RH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
0 to 5.1 V |
|
S13-11 (SVC1) - S13-1 (SGD1) |
Y - R |
Front occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
4.9 to 5.1 V |
|
S13-12 (SVC2) - S13-2 (SGD2) |
V - Y |
Front occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
4.9 to 5.1 V |
2. OCCUPANT CLASSIFICATION ECU (for Manual Seat)
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specification |
|---|---|---|---|---|
|
M14-1 (+B) - M14-3 (GND) |
G - W-B |
Battery |
Always |
10 to 14 V |
|
M14-2 (DIA) - M14-3 (GND) |
SB - W-B |
Diagnosis (DLC3) |
Ignition switch ON |
Pulse generation |
|
M14-3 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
|
M14-4 (FSR-) - M14-3 (GND) |
B - W-B |
Center airbag sensor assembly communication line (-) |
Always |
Below 1 V |
|
M14-5 (BGND) - M14-3 (GND) |
Y - W-B |
Passenger side buckle switch ground line |
Always |
Below 1 V |
|
M14-7 (IG) - M14-3 (GND) |
V - W-B |
Power source (ECU-B fuse) |
Ignition switch ON |
10 to 14 V |
|
M14-8 (FSR+) - M14-4 (FSR-) |
W - B |
Center airbag sensor assembly communication line |
Ignition switch ON |
Pulse generation |
|
M14-9 (BSW) - M14-5 (BGND) |
G - Y |
Passenger side buckle switch line |
Always |
4 to 14 V |
|
S13-1 (SGD1) - M14-3 (GND) |
Y - W-B |
Front occupant classification sensor LH ground line |
Always |
Below 1 V |
|
S13-2 (SGD2) - M14-3 (GND) |
SB - W-B |
Front occupant classification sensor RH ground line |
Always |
Below 1 V |
|
S13-3 (SGD3) - M14-3 (GND) |
L - W-B |
Rear occupant classification sensor LH ground line |
Always |
Below 1 V |
|
S13-4 (SGD4) - M14-3 (GND) |
W - W-B |
Rear occupant classification sensor RH ground line |
Always |
Below 1 V |
|
S13-5 (SVC3) - S13-3 (SGD3) |
R - L |
Rear occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
4.9 to 5.1 V |
|
S13-6 (SVC4) - S13-4 (SGD4) |
B - W |
Rear occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
4.9 to 5.1 V |
|
S13-7 (SIG1) - S13-1 (SGD1) |
BE - Y |
Front occupant classification sensor LH signal line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
0 to 5.1 V |
|
S13-8 (SIG2) - S13-2 (SGD2) |
GR - SB |
Front occupant classification sensor RH signal line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
0 to 5.1 V |
|
S13-9 (SIG3) - S13-3 (SGD3) |
G - L |
Rear occupant classification sensor LH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor LH |
0 to 5.1 V |
|
S13-10 (SIG4) - S13-4 (SGD4) |
V - W |
Rear occupant classification sensor RH signal line |
Ignition switch ON, a load applied to rear occupant classification sensor RH |
0 to 5.1 V |
|
S13-11 (SVC1) - S13-1 (SGD1) |
P - Y |
Front occupant classification sensor LH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor LH |
4.9 to 5.1 V |
|
S13-12 (SVC2) - S13-2 (SGD2) |
BR - SB |
Front occupant classification sensor RH power supply line |
Ignition switch ON, a load applied to front occupant classification sensor RH |
4.9 to 5.1 V |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR
(a) Initial check.
(1) Turn the ignition switch to ON.
(2) The passenger airbag O ...
Other materials about Toyota Venza:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STEERING RACK BOOT CLIP (for LH Side)
(a) Using pliers, remove the steering rack boot clip.
2. REMOVE STEERING RACK BOOT CLIP (for RH Side)
HINT:
Perform the same procedure as for the LH side.
3. REMOVE NO. 2 STEERING RAC ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the circuit listed
for the code in the table below (proceed to the page listed for that circuit).
HINT:
When DTC B1650/32 is detected as a result of troubleshooting f ...
Noise Occurs from Generator while Engine is Running
PROCEDURE
1.
CHECK LOOSENESS OF V-RIBBED BELT
(a) Check the tension of the belt by pushing it down with a finger.
OK:
The tension of the belt is enough.
NG
REPLACE V-RIBBED BELT TENSIONER ASSEMBLY
...
0.1503