Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Occupant Classification System Malfunction (B1650,B165A)

DESCRIPTION

The airbag sensor assembly and occupant detection ECU communicate via CAN communication.

When the occupant detection ECU stores DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129, the airbag sensor assembly receives this information and stores DTC B1650.

When the occupant detection ECU stores DTC B1785 or B1787, the airbag sensor assembly receives this information and stores DTC B165A.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

B1650

Occupant Classification System Malfunction

The occupant detection ECU has stored DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129.

Occupant classification system

Comes on

Does not apply to test/check mode

B165A

Occupant Detection Sensor Zero Point Calibration Incomplete

The occupant detection ECU has stored DTC B1785 or B1787.

Occupant classification system

Comes on

Does not apply to test/check mode

PROCEDURE

1.

CHECK DTC (OCCUPANT CLASSIFICATION SYSTEM)

(a) Check for occupant classification system DTCs.

Click here

OK:

DTCs are not output.

NG

GO TO OCCUPANT CLASSIFICATION SYSTEM

OK

2.

CLEAR DTC (AIRBAG SYSTEM)

(a) Turn the engine switch on (IG), and wait for at least 60 seconds.

(b) Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs
NEXT

END

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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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