Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Terminals Of Ecu

b10-1 (SVC1) - b10-5 (SGD1)

R - G

Front occupant classification sensor LH power supply

Engine switch on (IG)

11 to 14 V

b10-2 (SVC3) - b10-6 (SGD3)

GR - W

Rear occupant classification sensor LH power supply

Engine switch on (IG)

11 to 14 V

b10-3 (SIG1) - b10-5 (SGD1)

P - G

Front occupant classification sensor LH signal

Engine switch on (IG)

Pulse generation

b10-4 (SIG3) - b10-6 (SGD3)

SB - W

Rear occupant classification sensor LH signal

Engine switch on (IG)

Pulse generation

b10-5 (SGD1) - A-10 (GND)

G - -

Front occupant classification sensor LH ground

Always

Below 1 V

b10-6 (SGD3) - A-10 (GND)

W - -

Rear occupant classification sensor LH ground

Always

Below 1 V

A-4 (CANL) - A-10 (GND)

-

CAN communication line

Engine switch on (IG)

Pulse generation

A-5 (CANH) - A-10 (GND)

-

CAN communication line

Engine switch on (IG)

Pulse generation

A-6 (IG2) - A-10 (GND)

-

Power source

Engine switch on (IG)

11 to 14 V

A-7 (BSW) - A-9 (BGND)

-

Passenger side buckle switch signal

Always

Pulse generation

A-9 (BGND) - A-10 (GND)

-

Passenger side buckle switch ground

Always

Below 1 V

A-10 (GND) - Body ground

-

Ground

Always

Below 1 V