B1023 - Passenger A/B Indicator

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

  • Faulty Passenger A/B Indicator
  • Passenger A/B Indicator harness is open or shorted
  • Passenger A/B Indicator circuit poor electrical connection
  • Faulty Diagnosis Sensor Unit

Possible symptoms

  • Air Bag Warning Light ON

B1023 Description

The Passenger A/B Indicator Suppresses the deployment of passenger air bag when the condition of the passenger seat is empty or child and child-seat. And turns on the passenger air bag indicator (cut-off telltale) lamp when the condition of passenger seat is child-seat and child. In case of malfunction, the blinking of the SRS air bag warning lamp reports the malfunction to the driver and by the on board self-diagnosis system.

The Passenger A/B Indicator turns on passenger air bag indicator (cut-off telltale) when the passenger seat is empty or occupied by childseat and child.

OBDII Code B1023 - Passenger A/B Indicator - AutoCodes.com

B1023 Information for specific makes

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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