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B0101 TOYOTA

B0101 TOYOTA - Open In D Squib Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Steering Wheel Pad (D Squib)
  • Steering Wheel Pad (D Squib) harness is open or shorted
  • Steering Wheel Pad (D Squib) circuit poor electrical connection
  • Faulty Spiral cable
  • Faulty Airbag Sensor Assembly

Tech notes





User Submitted Video

Possible symptoms

  • Air Bag Warning Light ON

B0101 Toyota Description

The D squib circuit consists of the airbag sensor assembly, spiral cable and steering wheel pad. It causes the airbag to deploy when the airbag deployment conditions are satisfied. The Air Bag Control Module monitors the D Squib. The Air Bag Control Module sets the OBDII code when the D Squib is not to factory specifications.
OBDII Code B0101 Toyota - Open In D Squib Circuit - AutoCodes.com

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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