Hello, this is a common failure that i have dealt with before. Before servicing the srs, turn ignition switch off, disconnect both battery cables and wait at least 3 minutes. Additional information about your seat belts if the shoulder part of the belt is pulled all the way out, the locking mechanism will activate. Was just wondering if you had a sec could you cast your eyes over a photo of my wiring below on the drivers side only, i need to bypass the side inseat air bag and the seatbelt pretensioner, the image below shows what ive got under the. Replacement seatbelts, seat belts, retractable seat belts. One week after honda replaced the faulty airbag on the drivers side, the srs warning light came on and stayed on.
For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre tensioner to deploy. E24 is the driver s side latch that you plug your seat belt into. Was just wondering if you had a sec could you cast your eyes over a photo of my wiring below on the drivers side only, i need to bypass the side in seat air bag and the seatbelt pretensioner, the image below shows what ive got under the drivers seat in my 1. Disconnect the 8443 load tool and jumper from the driver seat belt. Oct 01, 2015 an out of range resistance on the driver safety belt pretensioner circuit can be caused by the following. Apr 09, 2010 hello, this is a common failure that i have dealt with before. Do not open the package of the replacement module until it is to be installed on the vehicle. It has an explosive charge in it that goes off when the airbags do to tighten the seat belt. Honda ran a diagnosis and determined that the driver side seat belt buckle needed to be replaced. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pretensioner to deploy. The seat belt tensioner igniter is associated with the reel in the pillar beside the door. Its the reel that the seat belt winds back into when you release it. B1877 mercury seat belt driver pretensioner circuit open precautions for srs air bag and seat belt pretensioner service never probe the electrical connectors on air bag, side air curtain modules or seat belts.
The drivers side air bag will always deploy, the srs system assumes that someone is always in the drivers seat. So, every time you replace a multiribbed belt, be sure to replace the tensioner at the same time. Does an airbag need the seatbelt to be on to be activated. Standard safety features include a driver s air bag and seat belt tensioners. A seat belt tensioner is a device in a vehicle that pulls a seat belt tight if there is a. We do not repair seatbelt tensioners but we do have the parts so you. Bmw e90 e92 e82 e88 e89 z4 x1 genuine right seat belt buckle. To deactivate the locking mechanism, unlatch the buckle and let the seat belt fully retract.
How to test a seat belt pretensioner how to know if seat belt. Check r56 passenger seat belt tensioner line 1 circuit for an open to avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding. The seat belts are also equipped with automatic seat belt tensioners. Driver seat belt tensioner circuit open when monitored and set condition. Disconnect the battery negative cable, and wait for 3 minutes. Up for brand new bmw e90 e91 e92 3series,e82 e88 1series,e89 z4,x1 genuine front seat belt buckle right this item is brand new in original packaging,never been used or installed. To deactivate the locking mechanism, unlatch the buckle and. Diagnosing and resolving belt tensioner problems gates europe.
Air bag 5 ignition circuit 1 driver belt tensioner. Seat belt pretensioner srs dtc code show that seat. Our huge selection of lap belts, retractable seat belts and replacement seat belts are available in a variety of seat belt webbing colors, lengths. Seat belt tensioner definition and meaning collins english. When the air bag computer decides it will deploy the.
In my van the light keeps coming on cause there is a short in the wiring for the drivers side seat belt. What is a seatbelt pretensioner and how does it work. A resistance too high might indicate an open or loose connection in the cabling. The belt will retract, but it will not allow the passenger to move freely. But if that has been done and it is a recurring fault for resistance then i found the best fix is to replace the wiring from the airbag control unit all the way to the connector. The seat belt airbag is designed to better distribute the forces experienced by a buckled person in a crash by means of increased seat belt area. With the ignition on, the occupant restraint controller orc monitors the resistance of the. The seatbelt airbag is designed to better distribute the forces experienced by a buckled person in a crash by means of increased seat belt area. How to test a seat belt pretensioner how to know if seat belt pre. How to test a seat belt pretensioner how to know if seat belt pre tensioner is good or bad duration. The restraints control module rcm checks all of the safety seat belt pretensioners for faults.
Use a tensioner simulator or load tool if necessary. How to test seat belt tensioner pretensioner on bmw e46 e39 e90 e91. After installation it easilly switches off the airbagsrs indicator and it stays off. With the ignition on and the occupant restraint controller orc ignition voltage above 6. Replied by steve on topic seatbelt pre tensioner fault is the fault code for the driver or passenger pretensioner. Seat belt retractor repair service a seat belt retractor is the male part of the seat belt where the actual belt webbing material feeds from and is responsible for locking up on sudden stops. The range of fatality reduction for front seat passengers was broad, from 20% to 55%, as was the range of major injury, from 25% to 60%. Therefore, do not work on any srs connectors or wires until at least 3 minutes have passed. B1c4a1st row passenger retractor pretensioner circuit shorted together. Lift the seat up and rotate it around and sneak it out the door. With the ignition on the acm monitors the resistance. Essentially, the pretensioners job is to tighten your belt so you get hugged fast and tight to. Furthermore, when a tensioner has reached the end of its service life gates recommends that all wear parts are replaced at the same time to ensure the best longterm solution.
An out of range resistance on the driver safety belt pretensioner circuit can be caused by the following. Watching a seatbelt pretensioner work in super slomo is. Fixing the airbag light seat belt pretensioner error code. Disconnect the 8443 load tool and jumper from the driver seat belt tensioner connector. B1b2e1st row passenger seat belt pretensioner circuit open. B1603 seat belt pretensioner drivers side squib system short circuit between squib circuit terminals caution if the diagnosis code b1603 is set to srsecu, be sure to diagnose the can bus line. E24 is the drivers side latch that you plug your seat belt into. Feb 25, 2016 in this video we are going to show you how to test a seat belt pretensioner and figure out if it is goo or bad. Blog bmw seat belt tensioner emulator installation.
Wire from drivers buckle switch x 778, pin 3, to plug connection on drivers seat x 10214, pin 2. Standard safety features include a drivers air bag and seat belt tensioners. E46 drivers side seat belt tensioner this is a common fault in bmw systems apparently, because the wiring runs under the seat, and moves every time the seat gets moved. Nov 30, 2015 the drive belt tension is made up of four main parts the base, tensioner arm, spring and pulley. What is the best fix for a seat belt pretensioner on drivers. Recent advancements have resulted in more sophisticated seatbelt technology that enhances occupant protection, while helping reduce injury. Satellite, left sensor for side airbag, comms fault or open circuit.
No open or increased resistance in the right side seat belt tensioner. A seat belt tensioner considerably increases the passenger protection afforded by the safety belts in the case of an accident. I have an open circuit on the drivers seat belt pretensioner. If the rcm detects a low resistance or open on the driver safety seat belt pretensioner circuits, it will store the diagnostic trouble code dtc b1877 in memory and illuminate the air bag warning indicator. This listing is for front passenger side seat belt buckle with tensioner. Seat belts, replacement seatbelts, auto seat belts, seat belt extenders and seat belt extensions for classic cars, hot rods and industrial use.
An analysis conducted in the united states in 1984 compared a variety of seat belt types alone and in combination with air bags. The base holds the other parts, and the spring keeps the belt pulled tight. The pulley is what facilitates movement of the belt. The tensioner arm is found on the bottom of the tensioner, and if you press on it, it will work against the spring. Seat belt pre tensioner explanation a seat belt pre tensioner is a device that is used to hold a passenger firmly in their seat just before and at the start of a collision especially in a front or head on collision and then allow that passenger to come into contact with the inflated airbag in a controlled way. The system also includes a light on the instrument panel to remind you and your passenger to fasten your belts. It is universally applicable and can be used for all bmw models with faulty seat belt tensioners, both on drivers and passengers side. Wire from drivers buckle switch x 778, pin 1, to plug connection on drivers seat x 10214, pin 3. A seatbelt pretensioner is designed deploy during and auto accident and pull the passenger tighter into their seat. You have to replace this as a whole assembly that includes the seat belt.
B1b561st row passenger seat belt sensor circuit open amazon s3. Some times it is just the tensioner that needs to be replaced. B1b2a1st row driver seat belt pretensioner circuit open. Hey guys, if your air bag light is on and the code says seat belt pretensioner circuit open then you are at the right place. If it shows open then the seat belt buckle will need to replace. A seat belt tensioner is a device in a vehicle that pulls a seat belt tight if there is a sudden movement or stop. This is done to reduce possible injuries to the rib cage or chest of the belt wearer. In addition, a tensioner is a relatively inexpensive part to replace. Resistance too high you probably have this issue or something similar. If your airbag light is on maybe this is one of the reasons. This means that the ability to write new posts and access various member features will go away. Disconnect the 8443 load tool and jumper from the passenger seat belt tensioner connector. Driver seat belt tensioner circuit open airbag symptom. Jan 04, 20 ever wonder what a seat belt pre tensioner does in the event of a crash.
Air bag 5 ignition circuit 1 driver belt tensioner at some point during the month of august the roadfly forums are going to become archive only. With the ignition on the acm monitors the resistance of the driver seat belt tensioner circuits. Ed, the seat belt buckle switch can be tested using an ohm meter. Seat belt tensioner ignitor fault code tdiclub forums. Srs light due to faulty wire harness for seat belts.
If you have a sedan you can leave the seat belt attached to the seat. The drive belt tension is made up of four main parts the base, tensioner arm, spring and pulley. It sends to the cars computer information that a seat belt tensioner is intact. Driver seat belt tensioner circuit open when monitored. One week after honda replaced the faulty airbag on the driver s side, the srs warning light came on and stayed on. If you have tried clearing the code and it wont stay clear remove the pillar to access the igniter and verify the connection is tight. Ever wonder what a seat belt pretensioner does in the event of a crash. Do you have code on your scanner that says your seat belt pretensioner is defective or throwing a code. We only sell seat belts and seat belt related items. Fixing the airbag light seat belt pretensioner error. In this video we are going to show you how to test a seat belt pretensioner and figure out if it is goo or bad. Airbag systems how to test a seatbelt pretensioner youtube. It apparently has two variable resistors that have to match within a close tolerance or the airbag cel is lit. Driving your car with out a seatbelt is just plain stupid.
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