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Circuit/System Testing

  1. Ignition OFF.
  2. Disconnect the harness connector at the B60 seat belt reminder sensor.
  3. Test for less than 30 Ω between the ground circuit terminal 2 and ground.
    • If 30 Ω or greater 
    1. Ignition OFF, disconnect the harness connector at the K36 SDM.
    2. Test for less than 2 Ω in the passenger air bag disable switch ground circuit end to end.
      • If 2 Ω or greater, replace the coil or repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K36 SDM.
    • Go to next step: If less than 30 Ω 
  4. Ignition ON, test for 4.75 - 5.25 V between the signal circuit terminal 1 and ground.
    • If less than 4.75 V 
    1. Disconnect the harness connector at the K36 SDM.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
    3. Test for less than 2 Ω in the signal 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 SDM.
    • If greater than 5.25 V 
    1. Ignition OFF.
    2. Disconnect the harness connector at the K36 SDM.
    3. Ignition ON.
    4. 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.
      • If less than 1 V, replace the K36 SDM.
    • Go to next step: If between 4.75 - 5.25 V 
  5. Replace the B60 seat belt reminder sensor.
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