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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Air Conditioning System) >> Diagnostic Information And Procedures >> DTC B1563: A/C Refrigerant Pressure Sensor And/Or Its Circuit Malfunction >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART

Step Action YES NO
DTC check 
  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Check ECM for DTC.

Are there DTC P0532 or P0533? 
Go to DTC P0532 / P0533: A/C REFRIGERANT PRESSURE SENSOR CIRCUIT LOW / HIGH . Substitute a known-good HVAC control module and recheck.