DTC P0116 [WL-C, WE-C]
id0102b9803900
Australian, European (L.H.D. U.K.) specs.
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DTC P0116 |
Engine coolant temperature (ECT) sensor range/performance malfunction |
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DETECTION CONDITION
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• Minimum engine coolant temperature rise is not achieved within the specified time limit from when the engine was started.
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POSSIBLE CAUSE
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• Connector or terminal malfunction
• ECT sensor malfunction
• Thermostat malfunction
• PCM 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 the 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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VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT?
• Connect the M-MDS to the DLC-2.
• Clear the DTC from the PCM memory using the M-MDS.
• Start the engine and warm it up completely.
• Is the PENDING CODE for this DTC present?
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Yes
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Go to the next step.
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No
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Intermittent concern exists.
Perform the “INTERMITTENT CONCERN TROUBLESHOOTING”.
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4
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INSPECT ECT SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the ECT sensor connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 8.
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No
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Go to the next step.
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5
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INSPECT ECT SENSOR
• Inspect the ECT sensor.
• Is there any malfunction?
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Yes
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Replace the ECT sensor, then go to Step 8.
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No
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Go to the next step.
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6
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the engine switch off.
• Disconnect the PCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 8.
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No
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Go to the next step.
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7
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INSPECT THE THERMOSTAT
• Inspect the thermostat.
• Is there any malfunction?
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Yes
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Repair or replace the thermostat, then go to the next step.
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No
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Go to the next step.
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8
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VERIFY TROUBLESHOOTING OF DTC P0116 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the PCM memory using the M-MDS.
• Start the engine and warm it up completely.
• Is the PENDING CODE for this DTC present?
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Yes
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Replace the PCM, then go to the next step.
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No
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Go to the next step.
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9
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VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
(See OBD DRIVE MODE [WL-C, WE-C].)
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [WL-C, WE-C].)
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No
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DTC troubleshooting completed.
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