Ed, the seat belt buckle switch can be tested using an ohm meter. B1c3a 1st row driver retractor pretensioner circuit open. Two pins of the plug go to belt buckle from the seat belt and two pins go to the belt tensioner. The srs module will need to see both circuits open or grounded at the. Check driver seat belt retractor tensioner line 1 circuit for an open turn the ignition off disconnect the 12 volt battery and wait two minutes. How to test a seat belt pretensioner how to know if seat. 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. Sign up for asps weekly enewsletter to receive latest news, articles. Jeep, or fiat and you have airbag light on and code b1c3a 1st row driver seat belt pretensioner circuit open this is the right video for you.
No, replace the driver seat belt retractor tensioner. This video will show you how to fix code b1c3a driver seat belt buckle pretensioner circuit open on dodge journey or fiat freemont. When the rcm detects a resistance that is out of the expected range, it will set lfc 4 and dtc b1877. Read about seatbelt pretensioners and how they keep you safe during car. Ford explorer p3191 mercury mountaineer p3191 seat belt pretensioner circuit duration. When a cable is disconnected or has a high resistance, then the airbag lamp turns on. If your airbag light is on maybe this is one of the reasons.
Airbag systems how to test a seatbelt pretensioner youtube. Providing the power supply to the firing circuits using the capacitor. How to test a seat belt pretensioner how to know if seat belt pre tensioner is good or. In the affected vehicles, the seat belt linkages for both front seat. Hyundai motor america hyundai is recalling certain 20112014 sonata and 20112015 sonata hybrid vehicles. If it shows open then the seat belt buckle will need to replace.
We do not repair seatbelt tensioners but we do have the parts so you. How to test a seat belt pretensioner how to know if seat belt pretensioner is good or bad duration. 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. It doesnt matter whether the seat belt pretensioner is located on the driver side seat belt, passenger side seat belt, rear seat belts, lh seat belt. Airbag systems how to test a seatbelt pre tensioner. Lift the seat up and rotate it around and sneak it out the door. If you have a sedan you can leave the seat belt attached to the seat.
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