Toyota CH-R Service Manual: 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.

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.

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PROCEDURE

(a) Check for occupant classification system DTCs.

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OK:

DTCs are not output.

NG

GO TO OCCUPANT CLASSIFICATION SYSTEM

OK

(a) Clear the DTCs stored in memory.

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NEXT

END