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Home >> Pontiac >> 2007 >> Solstice GXP, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls & Fuel - 2.0L - DTC P0010 To P0304 >> DTC P0106, P0107, or P0108 >> Circuit/System Testing

Circuit/System Testing

    IMPORTANT: All electrical components and accessories must be turned OFF and allowed to power down.
  1. Ignition OFF, disconnect the MAP harness connector at the MAP sensor.
  2. Ignition OFF, test for less than 5 ohms of resistance between the low reference circuit terminal 2 and ground.
    • If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the ECM.
  3. Ignition ON, test for 4.8-5.2 volts between the 5-volt reference circuit terminal 1 and ground.
    • If less than 4.8 volts, test the 5-volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the ECM.
    • If greater than 5.2 volts, test the 5-volt reference circuit for a short to voltage. If the circuit tests normal, replace the ECM.
  4. Verify the scan tool MAP Sensor parameter is less than 1 kPa.
    • If greater than 1 kPa, test the signal circuit terminal 3 for a short to voltage. If the circuit tests normal, replace the ECM.
  5. Install a 3A fused jumper wire between the signal circuit terminal 3 and the 5-volt reference circuit terminal 1C. Verify the scan tool MAP Sensor parameter is greater than 254 kPa.
    • If less than 254 kPa, test the signal circuit terminal 3 for a short to ground or an open/high resistance. If the circuit tests normal, replace the ECM.
  6. If the circuits test normal, test the MAP sensor.
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