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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seat Belt System >> Diagnostic Information and Procedures >> Seat Belt Indicator Malfunction - Passenger >> Circuit/System Testing >> Passenger Seat Belt Switch Malfunction

Passenger Seat Belt Switch Malfunction

  1. Ignition OFF. Disconnect the harness connector at the B88P seat belt switch-passenger.
  2. Test for less than 5 Ω between the low reference circuit terminal 2 and ground.
    • If 5 Ω or greater 
    1. Disconnect the X2 harness connector at the K36 inflatable restraint sensing and diagnostic module.
    2. 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.
      • If less than 5 Ω 
  3. Ignition ON.
  4. Verify the scan tool Passenger Seat Belt Status parameter listed below is Buckled.
    • If the scan tool Passenger Seat Belt Status parameter does not display Buckled 
    1. Disconnect the X2 harness connector at the K36 inflatable restraint sensing and diagnostic module.
    2. Test for infinite resistance between the seat belt switch signal circuit terminal 1 and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If less than 2 Ω, replace the K36 inflatable restraint sensing and diagnostic module.
    • If the scan tool Passenger Seat Belt Status parameter does display Buckled 
  5. Install a 3 A fused jumper wire between the signal circuit terminal 1 and the low reference circuit terminal 2.
  6. Verify the scan tool Passenger Seat Belt Status parameter is Unbuckled.
    • If the scan tool Passenger Seat Belt Status parameter does not display Unbuckled 
    1. Ignition OFF. Disconnect the X2 harness connector at the K36 inflatable restraint sensing and diagnostic module. Ignition ON.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
    3. Test for less than 2 Ω in each 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.
    • If the scan tool Passenger Seat Belt Status parameter does display Unbuckled 
  7. Replace the B88P seat belt switch-passenger.
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