Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000259TL
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made): TERMINALS OF ECU; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

TERMINALS OF ECU

OCCUPANT DETECTION ECU

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

j3-1 (SVC1) - j3-5 (SGD1)

R - G

Front occupant classification sensor LH power supply

Engine switch on (IG)

11 to 14 V

j3-2 (SVC3) - j3-6 (SGD3)

GR - W

Rear occupant classification sensor LH power supply

Engine switch on (IG)

11 to 14 V

j3-3 (SIG1) - j3-5 (SGD1)

P - G

Front occupant classification sensor LH signal

Engine switch on (IG)

Pulse generation

j3-4 (SIG3) - j3-6 (SGD3)

SB - W

Rear occupant classification sensor LH signal

Engine switch on (IG)

Pulse generation

j3-5 (SGD1) - j4-10 (GND)

G - W-B

Front occupant classification sensor LH ground

Always

Below 1 V

j3-6 (SGD3) - j4-10 (GND)

W - W-B

Rear occupant classification sensor LH ground

Always

Below 1 V

j4-4 (CANL) - j4-10 (GND)

SB - W-B

CAN communication line

Engine switch on (IG)

Pulse generation

j4-5 (CANH) - j4-10 (GND)

R - W-B

CAN communication line

Engine switch on (IG)

Pulse generation

j4-6 (IG2) - j4-10 (GND)

B - W-B

Power source

Engine switch on (IG)

11 to 14 V

j4-7 (BSW) - j4-9 (BGND)

G - P

Front passenger side buckle switch signal

Always

Pulse generation

j4-9 (BGND) - j4-10 (GND)

P - W-B

Front passenger side buckle switch ground

Always

Below 1 V

j4-10 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 V