DTC P0114:00 [MZI-3.7]
id0102d2311500
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DTC P0114:00 |
IAT sensor Intermittent/erratic |
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DETECTION CONDITION
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• Indicates the sensor signal was intermittent during the CCM.
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POSSIBLE CAUSE
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• Connector or terminal malfunction
• IAT sensor malfunction
• Harness malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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INSPECT CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PCM connector and IAT sensor connectors.
• Inspect for poor connection (such as damaged, pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Go to the next step.
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No
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Repair or replace suspected part, then go to Step 6.
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4
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INTERMITTENT INSPECTION
• Turn the ignition switch to the ON position (Engine off).
• Access the PCM and monitor the IAT PID.
• While observing the PID, perform the following:
• Is there a large change in the voltage reading?
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Yes
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Inspect the IAT sensor.
Replace if necessary, then go to Step 6.
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No
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Go to the next step.
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5
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INSPECT ELECTRONIC ENGINE CONTROL WIRING HARNESS
• Access the PCM and monitor the IAT PID.
• While observing the PID, wiggle, shake, and bend small sections of the wiring harness while working from the sensor to the PCM.
• Is there a large change in the voltage reading?
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Yes
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Repair if necessary, then go to Step 6.
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No
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Go to the next step.
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6
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VERIFY TROUBLESHOOTING OF DTC P0114:00 HAS BEEN COMPLETED
• Verify that all disconnected connectors reconnected.
• Turn the ignition switch to the ON position (Engine off).
• Clear the DTC from the PCM memory using the M-MDS.
• Start the engine and run it at idle.
• Retrieve DTCs using the M-MDS.
• Is the PENDING CODE for this DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the PCM.
Go to the next step.
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No
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Go to the next step.
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7
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VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.7].)
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No
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Troubleshooting completed.
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