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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P0112: Intake Air Temperature Sensor 1 Circuit Low; DTC P0113: Intake Air Temperature Sensor 1 Circuit High >> DTC Troubleshooting
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DTC Troubleshooting

P0112, P0113 DIAGNOSIS PROCEDURE

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK:J24B .
2  IAT sensor circuit check 
  1. Check IAT sensor circuit referring to Step 3 of DTC P0111  .

Are they in good condition? 		 Go to Step 3. Repair or replace defective wire harness.
3  IAT sensor check 
  1. Check IAT sensor, see MAF (MASS AIR FLOW) AND IAT (INTAKE AIR TEMPERATURE) SENSOR INSPECTION .

Is it in good condition? 		 Substitute a known-good ECM and recheck. Replace MAF and IAT sensor.
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