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Seat Belt Switch Malfunction (Without RPO AJ3)

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 B153D driver seat belt buckle.
  2. Test for less than 1 Ω between the ground circuit terminal 1 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify the seat belt indicator is OFF.
    • If the seat belt indicator is ON, test the control circuit terminal 2 for a short to ground. If the circuit tests normal, replace the P16 instrument cluster.
  4. Install a 3 A fused jumper wire between the control circuit terminal 2 and the ground circuit terminal 1. Verify the seat belt indicator is ON.
    • If the seat belt indicator is OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the P16 instrument cluster.
  5. If all circuits test normal, test or replace the B153D driver seat belt buckle.
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