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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System >> Diagnostic Information And Procedures >> DTC B1561: Engine Coolant Temperature Sensor And/Or Its Circuit Malfunction >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

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

Are there DTC P0116, P0117 or P0118? 		 Go to DTC P0116: ENGINE COOLANT TEMPERATURE CIRCUIT RANGE / PERFORMANCE or DTC P0117 / P0118: ENGINE COOLANT TEMPERATURE CIRCUIT LOW / HIGH INPUT . Substitute a known-good HVAC control module and recheck.
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