Toyota CH-R Service Manual: Occupant Classification System Malfunction (B1650/32,B165A/32)

Toyota CH-R Service Manual / Supplemental Restraint Systems / Airbag System / Occupant Classification System Malfunction (B1650/32,B165A/32)

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 B1650/32.

When the occupant detection ECU stores DTC B1785 or B1787, the airbag sensor assembly receives this information and stores DTC B165A/32.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Test Mode / Check Mode
B1650/32	Occupant Classification System Malfunction	The occupant detection ECU has stored DTC B1771, B1780, B1782, B1795, B1798, B1799, U0125 or U0129.	Occupant classification system	Does not apply to test/check mode
B165A/32	Occupant Detection Sensor Zero Point Calibration Incomplete	The occupant detection ECU has stored DTC B1785 or B1787.	Occupant classification system	Does not apply to test/check mode

CAUTION / NOTICE / HINT

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here

PROCEDURE

1.	CHECK DTC (OCCUPANT CLASSIFICATION SYSTEM)

(a) Check for occupant classification system DTCs.

Click here

OK:

DTCs are not output.

GO TO OCCUPANT CLASSIFICATION SYSTEM

2.	CLEAR DTC (AIRBAG SYSTEM)

(a) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

END

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