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Good morning, Years ago p/s seat occupant sensor went out. Took it to Toyota and they calibrated it. Two months later it went out again.

Took it back and they said that the sensor was could not be recalibrated that it would have to be replaced. That included taking the seat apart and replacing the sensor. Ok got it but looking at all the diagrams I didn't see any in the seat only attached to the bottom and seatbelts and such. Any ideas?

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1 Answer

Suzuki forenza 2005 what is b1446 mean


short answer, Occupant controls failure. Passenger seat.

medium answer , air bags ,seat sensors and or seat belt systems failure.

Long answer.

no engine of the 5, are stated. nor country,



This is covered 100% in the book called FSM.

the factory service manual, on all cars. they have one

read it.? or at alldata.com and here

just $4 to read it.

https://suzukipitstopplus.com/



my best guess, is air bags (and ARE a danger to all mechanics that fail to read the FSM warnings, !!!)

the module is not communicating , due to power loss is the clue.

in case you dont know, error codes never tell you what part is bad

it at the least tells you what signal is dead, bad or a sensor not responding

what a tech,does, is do more test to ISOLATE the true cause.

others guess, and go broke fast $$$$$$



the Forenza is this Suzuki with Daewoo body and GM enigne,

are real pistol to work on,,,

rule 2, is the code is unique to suzuki, no other cars.

B1446 (i roll dice and guess)

2.0L engine, automatic.

out of FSM it states

but what does , OC mean,

its short, (not nice huh)

for

e Occupant Classification System (OCS)











Trouble Code: B1446 (2.0L L4 VIN - Auto)

OC Passenger Short to Power (Battery) or No Response








Trouble Code Conditions:

The OC sensor wiring is shorted to the battery wiring

Possible Causes:



  • Circuit


  • Sensor




OC rules before PLAYING around. a short excerpt.




If the vehicle is equipped with the Occupant Classification System (OCS), do not connect the battery negative cable before performing the OCS Verification Test using the scan tool and the appropriate diagnostic information. Personal injury or death may result if the system test is not performed properly.

Never replace both the Occupant Restraint Controller (ORC) and the Occupant Classification Module (OCM) at the same time. If both require replacement, replace one, then perform the Airbag System test before replacing the other.

Both the ORC and the OCM store Occupant Classification System (OCS) calibration data, which they transfer to one another when one of them is replaced. If both are replaced at the same time, an irreversible fault will be set in both modules and the OCS may malfunction and cause personal injury or death.

If equipped with OCS, the Seat Weight Sensor is a sensitive, calibrated unit and must be handled carefully. Do not drop or handle roughly. If dropped or damaged, replace with another sensor. Failure to do so may result in occupant injury or death.

If equipped with OCS, the front passenger seat must be handled carefully as well. When removing the seat, be careful when setting on floor not to drop. If dropped, the sensor may be inoperative, could result in occupant injury, or possibly death.

If equipped with OCS, when the passenger front seat is on the floor, no one should sit in the front passenger seat. This uneven force may damage the sensing ability of the seat weight sensors. If sat on and damaged, the sensor may be inoperative, could result in occupant injury, or possibly death.

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