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Circuit/System Verification

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. Ignition ON
  2. Verify the scan tool engine control module A/C High Side Pressure Sensor parameter is between 6.8 kPa (1 psi) and 2950 kPa (428 psi).
    • If not between 6.8 kPa (1 psi) and 2950 kPa (428 psi) 

      Refer to Circuit/System Testing

    • Go to next step: If between 6.8 kPa (1 psi) and 2950 kPa (428 psi) 
  3. All OK
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