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Home >> Hyundai >> 2021 >> Santa Fe Calligraphy, AWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (Except HEV) (3 Of 3) >> DTC B1731-00: Anchor Pretensioner Front-Driver Resistance Too Low >> Wiring Inspection >> Main harness Circuit Inspection

Main harness Circuit Inspection

Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Main harness Circuit Inspection (Ω) Below 1 Ω
  1. Ignition switch "OFF"
  2. Disconnect Anchor Pretensioner front-Driver connector
  3. Disconnect SRSCM connector
"Low" terminal of the Anchor Pretensioner front-Driver harness connector. "Low" terminal of the Anchor Pretensioner front-Driver harness connector.
"High" terminal of the Anchor Pretensioner front-Driver harness connector. "High" terminal of the Anchor Pretensioner front-Driver harness connector.

* Measure the resistance at both ends of the terminal "High" and "Low"

  1. Is the measured resistance within specifications?

    YES 

    • Substitute a known-good SRSCM, and check for proper operation.

      If the problem is corrected, replace SRSCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute the SRSCM main harness and check for proper operation.

      If the problem is corrected, replace SRSCM main harness and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.