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Home >> Suzuki >> 2006 >> XL-7 Base, 4WD, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0113: Intake Air Temperature Sensor Circuit High >> DTC Troubleshooting
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DTC Troubleshooting

DTC DIAGNOSTIC TROUBLESHOOTING CHART

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  Check IAT sensor and its circuit 
  1. Connect scan tool with ignition switch turned OFF.
  2. Turn ON ignition switch.
  3. Check intake air temp. displayed on scan tool.

Is -40 °C (-40 °F) indicated? 		 Go to Step 3. Intermittent trouble. Check for intermittent referring to INTERMITTENT AND POOR CONNECTION INSPECTION .
3  Check wire harness 
  1. Disconnect IAT sensor connector with ignition switch turned OFF.
  2. Check for proper connection to IAT sensor at "LT BLU" and "GRY/YEL" wire terminals.

If OK, then with ignition switch turned ON, is voltage applied to "LT BLU" wire terminal about 4 - 6 V? 		 Go to Step 4. "LT BLU" wire open or shorted to power, or poor "E61-24" terminal connection.
If wire and connection are OK, substitute a known-good ECM and recheck.
4  Check wire harness 
  1. Using service wire, connect IAT sensor connector terminals.
  2. Turn ON ignition switch and check intake air temp. displayed on scan tool.

Is 165 °C (329 °F) indicated? 		 Replace IAT sensor. Open in "GRY/YEL" circuit or poor "C51-3-25" terminal connection. If wire and connection are OK, substitute a known-good ECM and recheck.
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