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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Seat Belt System) >> Diagnostic Information and Procedures >> Seat Belt Indicator Malfunction - Rear >> Circuit/System Testing >> Seat Belt Indicator Malfunction

Seat Belt Indicator Malfunction

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the A5 driver information center.
  2. Test for less than 1 Ω between the ground circuit terminal 7 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Connect a test lamp between the control circuit terminal 11 and ground.
  4. Ignition ON, command the Driver Seat Belt Reminder ON and OFF with a scan tool, the test lamp should turn ON and OFF while changing between the commanded states.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K36 SDM.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K36 SDM.
  5. If all circuit test normal, test or replace the A5 driver information center.
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