Circuit/System Testing

2013 Suzuki Kizashi Sport GTS, FWDSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the BPPS.
  2. Connect a DMM between the BPPS 5-volt reference circuit and the negative terminal of the battery.
  3. Ignition ON, test for 4.7-5.2 volts.
    • If less then 4.7 volts, test the BPPS 5-volt reference circuit for a short to ground or an open/high resistance. If the circuit/connections test normal, replace the BCM.
    • If greater than 5.2 volts, test the BPPS 5-volt reference circuit for a short to voltage. If the circuit/connections test normal, replace the BCM.
  4. Connect a DMM between the BPPS low reference circuit and the negative terminal of the battery.
  5. Ignition ON, test for less than 0.1 volt.
    • If greater than 0.1 volt, test the BPPS low reference circuit for a short to voltage or an open/high resistance.

      If the circuit/connections test normal, replace the BCM.

  6. Disconnect the DMM. Install a scan tool. Install a 3-amp fused jumper wire between the BPPS circuit and the BPPS 5-volt reference circuit.
  7. Verify the scan tool brake pedal position sensor parameter is between 4.7-5.2 volts
    • If less then 4.7 volts, test the BPPS circuit for a short to ground or an open/high resistance. If the circuit/connections test normal, replace the BCM.
    • If greater than 5.2 volts, test the BPPS circuit for a short to voltage. If the circuit/connections test normal, replace the BCM.
  8. If the voltage is correct and all circuits/connections test normal, replace the BPPS.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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