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DTC Troubleshooting

DIAGNOSIS PROCEDURE - DTC P0113 INTAKE AIR TEMPERATURE SENSOR HIGH INPUT

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD) System Check.
Is the system check complete?		 - Go to Step 2. Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK ".
2
  1. Install the scan tool to the Data Link Connector (DLC).
  2. Run the engine until it reaches operating temperature.

Does the scan tool show the Intake Air Temperature (IAT) sensor reading within the specified value?		 20 ~ 80 °C (68 ~ 176°F) Go to "DIAGNOSTIC AIDS ". Go to Step 3.
3
  1. Turn the ignition switch to LOCK.
  2. Disconnect the IAT sensor connector.
  3. Turn the ignition switch to ON.

Does the scan tool show the IAT sensor reading below the specified value?		 -30 °C (-22 °F) Go to Step 4. Go to Step 6.
4
  1. Jump connect the IAT sensor connector terminal 2 and 1.
  2. Turn the ignition switch to ON.

Does the scan tool show the IAT sensor reading above the specified value?		 120 °C (248 °F) Go to Step 5. Go to Step 6.
5
  1. Replace the IAT sensor.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Does the repair complete?		 - System OK -
6 Measure the voltage between the IAT sensor connector terminal 1 and the ground.
Is the voltage within the specified value?		 4.5 ~ 5.5 V Go to Step 7. Go to Step 8.
7
  1. Turn the ignition switch to LOCK.
  2. Disconnect the ECM connector.
  3. Check for a short to ECM reference voltage in the wire between the IAT sensor connector terminal 1 and the ECM connector terminal 31.

Is the problem found?		 - Go to Step 9. Go to Step 8.
8 Check for an open or a short in the wire between the IAT sensor connector terminal 1 and the ECM connector terminal 31.
Is the problem found?		 - Go to Step 10. Go to Step 11.
9
  1. Repair the short to ECM reference voltage in the wire between the IAT sensor connector terminal 1 and the ECM connector terminal 31.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Does the repair complete?		 - System OK -
10
  1. Repair the open or the short in the wire between the IAT sensor connector terminal 1 and the ECM connector terminal 31.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Does the repair complete?		 - System OK -
11 Check for an open or a short in the wire between the IAT sensor connector terminal 2 and the ECM connector terminal 70.
Is the problem found?		 - Go to Step 12. Go to Step 13.
12
  1. Repair the open or the short in the wire between the IAT sensor connector terminal 2 and the ECM connector terminal 70.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD) System Check.

Does the repair complete?		 - System OK -
13
  1. Turn the ignition switch to LOCK.
  2. Replace the ECM.
  3. Perform an On-Board Diagnostic (OBD) System Check.

Does the repair complete?		 - System OK -
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