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Home >> Chevrolet >> 2019 >> Corvette Z06, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt System >> Diagnostic Information and Procedures >> DTC B059A >> Circuit/System Testing

Circuit/System Testing

NOTE:

When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector.

  • P14 Passenger Air Bag Disable Indicator
  • K36 Inflatable Restraint Sensing and Diagnostic Module
  1. Ignition OFF, disconnect the harness connector at the P14 Passenger Air Bag Disable Indicator.
  2. Test for less than 10 Ω between the ground circuit terminal 1 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, repair the open/high resistance in the ground connection.
    • Go to next step: If less than 10 Ω 
  3. Ignition ON, command the Passenger Seat Belt Indicator OFF with a scan tool.
  4. Test for less than 11 V between the control circuit terminal 4 and ground.
    • If 11 V or greater 
    1. Ignition OFF, disconnect the X1 harness connector at the K36 inflatable restraint sensing and diagnostic module. Ignition ON.
    2. Test for less than 1 V between the control circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K36 inflatable restraint sensing and diagnostic module.
    • Go to next step: If less than 11 V 
  5. Command the Passenger Seat Belt Indicator On with a scan tool.
  6. Test for greater than 4 V between the control circuit terminal 4 and ground.
    • If 4 V or less 
    1. Ignition OFF. Disconnect the X1 harness connector at the K36 inflatable restraint sensing and diagnostic module.
    2. Test for infinite resistance between the control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
    3. Test for less than 2 Ω in each control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K36 inflatable restraint sensing and diagnostic module.
    • Go to next step: If greater than 4 V 
  7. Test or replace the P14 Passenger Air Bag Disable Indicator.
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