LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Airbag System Diagnosis (HEV)) >> DTC B2500: Warning Lamp Failure >> W/Harness Inspection >> Main harness Circuit Inspection

Main harness Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal cable from the battery and wait at least one minutes.
  3. Disconnect SRSCM main harness connector.
  4. Connect the battery (-) terminal cable to the battery and Ignition "ON" & Engine "OFF".
  5. Measure voltage between Air bag warning lamp terminal of the INSTRUMENT CLUSTER harness connector and chassis ground.

    Specification:  Approx. Batt Voltage

    Fig 1: Measuring Voltage Between Airbag Warning Lamp Terminal Of Instrument Cluster Harness Connector And Chassis Ground
    G10601386Courtesy of HYUNDAI MOTOR AMERICA
  6. Is the measured resistance within specifications?

    YES 

    • Check warning lamp and connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check airbag fuse, junction block, Warning Lamp, harness between junction block and SRSCM.

      Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.