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Home >> Kia >> 2009 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Control Module (Air Bag) >> Troubleshooting >> B1409: SIS front-Driver communication error >> Inspection Procedure

Inspection Procedure

  1. PREPARATION

    Refer to PREPARATION OF INSPECTION .

  2. CHECK SIS CIRCUIT
    1. Measure resistance between the terminal 2 of SIS harness connector and the terminal 55 (53) of SRSCM harness connector.
    2. Measure resistance between the terminal 1 of SIS harness connector and the terminal 54 (52) of SRSCM harness connector.

      Specification (resistance) : below 1 Ω

      Fig 1: Measuring Resistance Between SIS Harness Connector & SRSCM Harness Connector
      G06409949Courtesy of KIA MOTORS AMERICA, INC.
    3. Is the measured resistance within specification?

      YES 

      • Check Side Impact Sensor.

      NO 

      • Repair or replace the wiring harness between the SIS and the SRSCM.
  3. CHECK THE SIDE IMPACT SENSOR
    1. Replace the Side Impact Sensor (SIS) with a new one.
    2. Install the DAB module and connect the DAB connector.
    3. Connect the connectors of the PAB, KAB, CAB, BPT, FIS and SIS.
    4. Connect the SRSCM connector.
    5. Connect the battery negative cable to the battery.
    6. Connect a Hi-Scan (Pro) to the data link connector.
    7. Turn the ignition switch to ON and check the vehicle again.

      Does Hi-Scan (Pro) indicate any DTC related to Side Impact Sensor (SIS) ?

      YES 

      • Go to next step.

      NO 

      • Replace SIS.
  4. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN

    Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN .