Occupant Classification System Terminals Of Ecu

Vehicle Interior. Corolla. Zre142 Aze141
Supplemental Restraint Systems. Corolla. Zre142 Aze141

  1. OCCUPANT CLASSIFICATION ECU

Occupant Classification System -- Terminals Of Ecu



OCCUPANT CLASSIFICATION ECU
*1: TMC Made
*2: Except TMC Made

Corolla. Zre142 Aze141.Supplemental Restraint Systems.Airbag System.Occupant Classification System Terminals Of Ecu


Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
R2-3 (GSP) - R2-5 (GND)
Y - W-B*1
Seat position sensor (for front passenger side) ground line
Always
Below 1 Ω
BE - W-B*2
R2-4 (SP) - R2-5 (GND)
B - W-B*1
Seat position sensor (for front passenger side) ground line
Always
Front passenger side seat position is
  1. Rearmost position: 3.9 to 9.6 mA
  2. Foremost position: 9.7 to 20.1 mA
V - W-B*2
R2-5 (GND) - Body ground
W-B - Body ground
Occupant classification ECU ground line
Always
Below 1 V
R2-6 (PS) - R2-15 (GPS)
R - Y*1
Pressure sensor signal line
Ignition switch ON
Below 1 V
W - GR*2
R2-7 (VPS) - R2-5 (GND)
W - W-B*1
Pressure sensor +B line
Ignition switch ON
4.75 to 5.25 V
LG - W-B*2
R2-8 (GBT) - R2-5 (GND)
Y - W-B
Belt tension sensor ground line
Always
Below 1 V
R2-9 (IG) - R2-5 (GND)
B - W-B
Occupant classification ECU +B line
Ignition switch ON
11 to 14 V
R2-10 (DIA) - R2-5 (GND)
W - W-B
Diagnosis (DLC3)
Ignition switch ON
Pulse generation
R2-11 (FSR+) - R2-12 (FSR-)
W - B
Center airbag sensor assembly communication line
Ignition switch ON
Pulse generation
R2-12 (FSR-) - R2-5 (GND)
B - W-B
Center airbag sensor assembly communication line (-)
Always
Below 1 V
R2-13 (BSW) - R2-14 (BGND)
G - W-B*1
Passenger side buckle switch line
Ignition switch ON
Passenger side seat belt is
  1. Not fastened: 3.9 to 9.8 mA
  2. Fastened: 9.9 to 20.1 mA
G - P*2
R2-14 (BGND) - R2-5 (GND)
W-B - W-B*1
Passenger side buckle switch ground line
Always
Below 1 V
P - W-B*2
R2-15 (GPS) - R2-5 (GND)
Y - W-B*1
Pressure sensor ground line
Always
Below 1 V
GR - W-B*2
R2-16 (BT) - R2-5 (GND)
R - W-B
Belt tension sensor signal line
Ignition switch ON
0 to 5 V
R2-17 (VBT) - R2-5 (GND)
G - W-B
Belt tension sensor +B line
Ignition switch ON
4.75 to 5.25 V