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STEP
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INSPECTION
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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 next step.
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No
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Record FREEZE FRAME DATA on repair order, then go to next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for 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 available Service Information.
• If vehicle is not repaired, go to next step.
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No
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Go to next step.
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3
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INSPECT ECT SENSOR CIRCUIT RERATIVE DTC HAVE BEEN PRESENT
• Start engine.
• Perform "KOEO/KOER self-test"
• Is DTC P0117 and/or P0118 present?
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Yes
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Go to the applicable DTC inspection.
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No
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Go to next step.
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4
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INSPECT ENGINE COOLANT LEVEL
• Inspect the engine coolant level.
• Is the engine coolant level fill correct?
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Yes
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Go to next step.
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No
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Fill the engine coolant to proper level, then go to Step 7.
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5
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INSPECT ECT SENSOR
• Inspect ECT sensor.
• Is it okay?
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Yes
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Go to next step.
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No
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Replace ECT sensor, then go to Step 7.
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6
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INSPECT THERMOSTAT
• Inspect the thermostat.
• Is the engine coolant level fill correct?
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Yes
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Go to next step.
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No
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Fill the engine coolant to proper level, then go to next step.
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7
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VERIFY TROUBLESHOOTING OF DTC P0125 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory using WDS or equivalent.
• Start engine and warm it up.
• Is same DTC present?
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Yes
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Replace PCM, then go to next step.
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No
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Go to next step.
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8
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VERIFY AFTER SERVICE PRECAUTION
• Perform "AFTER SERVICE PRECAUTION".
• Is there any DTC present?
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Yes
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Go to applicable DTC inspection.
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No
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Troubleshooting completed.
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