Diagnostic procedure

DTC P0125 - DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED Have FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS (Engine cooling system related) been recorded?	Yes	Go to the next step.
1		No	Record FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS on repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Check for related Service Bulletins and/or online repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY CURRENT INPUT SIGNAL STATUS-IS CONCERN INTERMITTENT OR CONSTANT Start engine. Warm up engine completely. Access ECT PID using the WDS or equivalent. Is ECT PID above 60 °C {140 °F} ?	Yes	Intermittent concern exists. Go to INTERMITTENT CONCERNS TROUBLESHOOTING procedure. (See INTERMITTENT CONCERN TROUBLESHOOTING .)
3		No	Go to the next step.
4	INSPECT POOR CONNECTION OF ECT SENSOR CONNECTOR Turn the ignition switch off. Disconnect ECT sensor connector. Check for poor connection (damaged, pulled-out pins, corrosion, etc.). Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 7.
4		No	Go to the next step.
5	INSPECT ECT SENSOR Inspect ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION ) Is it normal?	Yes	Go to the next step.
5		No	Replace ECT sensor, then go to Step 7.
6	INSPECT POOR CONNECTION OF PCM CONNECTOR Disconnect PCM connector. Check for poor connection (damaged, pulled-out pins, corrosion, etc.). Is there any malfunction?	Yes	Repair or replace the terminal, then go to the next step.
6		No	Go to the next step.
7	VERIFY TROUBLESHOOTING OF DTC P0125 COMPLETED Make sure to reconnect all disconnected connectors. Turn key to ON (Engine off). Clear the DTC from the PCM memory using the WDS or equivalent. Access ECT PID using the WDS or equivalent. Wait until ECT PID below 20 °C {68 °F}. Start engine and warm it up completely. Is PENDING CODE for this DTC stored?	Yes	Replace PCM, then go to the next step.
7		NO	Go to the next step
8	VERIFY AFTER REPAIR PROCEDURE Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .).
8		No	Troubleshooting completed.