Toyota Venza manuals

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:

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver is used to receive electrical waves relating to the entry functions of the smart key system. The certification ECU (smart key ECU assembly) decodes the requested smart key system operation by identifying a key code ba ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET HINT: This is a method where a manifold gauge set is used to help locate the problem. (a) Read the manifold gauge pressure when the following conditions are met: Test ...

System Description
SYSTEM DESCRIPTION 1. POWER MIRROR CONTROL SYSTEM DESCRIPTION (a) This system has the following functions: power retract mirror function*, reverse shift-linked function, electrical remote control function, memory function and mirror heater function. ...

© 2016-2021 Copyright www.tovenza.com

0.299