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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine General Information And Diagnosis) >> Diagnostic Information And Procedures >> DTC P0111: Intake Air Temperature Sensor Circuit Performance >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before this trouble shooting is performed, read the precautions for DTC troubleshooting, referring to PRECAUTIONS FOR DTC TROUBLESHOOTING .
TROUBLESHOOTING TABLE

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 .
2  IAT sensor check 
  1. Check IAT sensor for performance referring to MASS AIR FLOW (MAF) AND INTAKE AIR TEMPERATURE (IAT) SENSOR ON-VEHICLE INSPECTION .

Is it in good condition? 		 Go to Step 3. Replace MAF and IAT sensor.
3  Wire harness check 
  1. Check signal and ground circuits of IAT sensor for condition, referring to Step 2 and 3 of DTC P0112/P0113: INTAKE AIR TEMPERATURE SENSOR CIRCUIT LOW/HIGH INPUT .

Are they in good condition? 		 Substitute a known good ECM and recheck. Repair or replace.
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