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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Airbag System Diagnosis (HEV)) >> DTC B1370: Pretensioner Front-Passenger Resistance Circuit Short To Battery >> W/Harness Inspection >> Main harness Circuit Inspection

Main harness Circuit Inspection

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  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal cable from the battery and wait at least one minutes.
  3. Disconnect PBPT connector and SRSCM main harness connector.
  4. Connect the battery (-) terminal cable to the battery and Ignition "ON" & Engine "OFF".
  5. Measure voltage between terminal "Low" or "High" of the PBPT harness connector and chassis ground.

    Specification:  approx. 0V

    Fig 1: Measuring Voltage Between Terminal Low Or High Of PBPT Harness Connector And Chassis Ground
    G10601053Courtesy of HYUNDAI MOTOR AMERICA
  6. Is the measured voltage 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.