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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0015, B001A, B001B, or B0022 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle OFF, disconnect the scan tool. It may take up to 2 minutes for all vehicle systems to power down. Disconnect the appropriate harness connector listed below:
    • F112 Seat Belt Retractor Pretensioner
    • F113 Seat Belt Anchor Pretensioner
  2. Test for greater than 25 Ω between the appropriate control circuit terminals listed below:
    • F112 Seat Belt Retractor Pretensioner terminals 1 and 2
    • F113 Seat Belt Anchor Pretensioner terminals 1 and 2
    • If 25 Ω or less 
    1. Disconnect the harness connector at the K36 Inflatable Restraint Sensing and Diagnostic Module.
      2. NOTE:

      Some connectors may be equipped with shorting bars as a safety component to prevent accidental inflator deployment. When testing on a connector with shorting bars, the shorting bars must be disabled to ensure accurate test results. Insert an appropriate pick from EL-38125-580 and depress the shorting bars above the appropriate terminals. This will lift the shorting bar from the terminal and allow accurate test results. Take care not to damage the connector, shorting bar, or terminal when depressing the shorting bar.

    2. Test for infinite resistance between the 2 control circuits.
      • If less than infinite resistance, repair the short between the two circuits.
      • If infinite resistance, replace the K36 Inflatable Restraint Sensing and Diagnostic Module.
    • Go to next step: If greater than 25 Ω 
  3. Vehicle in Service Mode.
  4. Test for less than 11 V between the control circuit terminals listed below and ground:
    • F112 Seat Belt Retractor Pretensioner terminal 1
    • F112 Seat Belt Retractor Pretensioner terminal 2
    • F113 Seat Belt Anchor Pretensioner terminal 1
    • F113 Seat Belt Anchor Pretensioner terminal 2
    • If 11 V or greater 
    1. Vehicle OFF, disconnect the harness connector at the K36 Inflatable Restraint Sensing and Diagnostic Module, vehicle in Service Mode.
    2. Test for less than 1 V between each 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. Vehicle OFF. It may take up to 2 minutes for all vehicle systems to power down.
  6. Test for greater than 25 Ω between the control circuit terminals listed below and ground:
    • F112 Seat Belt Retractor Pretensioner terminal 1
    • F112 Seat Belt Retractor Pretensioner terminal 2
    • F113 Seat Belt Anchor Pretensioner terminal 1
    • F113 Seat Belt Anchor Pretensioner terminal 2
    • If 25 Ω or less 
    1. Disconnect the harness connector at the K36 Inflatable Restraint Sensing and Diagnostic Module.
    2. Test for infinite resistance between each control circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K36 Inflatable Restraint Sensing and Diagnostic Module.
    • Go to next step: If greater than 25 Ω 
  7. Install a 3 A fused jumper wire between the appropriate control circuit terminals listed below:
    • F112 Seat Belt Retractor Pretensioner terminals 1 and 2
    • F113 Seat Belt Anchor Pretensioner terminals 1 and 2
  8. Vehicle in Service Mode.
  9. Verify the scan tool Deployment Loop Resistance parameter is less than 2 Ω.
    • If 2 Ω or greater 
    1. Vehicle OFF.
    2. Disconnect the harness connector at the K36 Inflatable Restraint Sensing and Diagnostic Module.
    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 less than 2 Ω 
  10. Vehicle OFF, connect the harness connector at the F112 Seat Belt Retractor Pretensioner or F113 Seat Belt Anchor Pretensioner, press in the CPA (if equipped) until an audible and/or tactile click is heard.
  11. Vehicle in Service Mode, clear DTCs. Operate the vehicle within the Conditions for Running the DTC.
  12. Verify DTC B0015, B001A, B001B, or B0022 is not set.
    • If B0015, B001A, B001B, or B0022 is set 

      Replace the appropriate F112 Seat Belt Retractor Pretensioner or F113 Seat Belt Anchor Pretensioner.

    • Go to next step: If DTC B0015, B001A, B001B, or B0022 is not set 
  13. All OK.
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