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

TERMINALS OF ECU

OCCUPANT DETECTION ECU

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

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

    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 listed in order of ...

    Diagnosis System
    DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR (a) Initial check (1) Turn the engine switch on (IG). (2) The passenger airbag ON/OFF indicat ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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