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Home >> Mazda >> 2023 >> CX-30 Select >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (VIN M) (2 Of 7) >> DTC P0116-00: ECT Sensor No. 1 Circuit Range/Performance Problem >> Function Inspection Using M-MDS
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Function Inspection Using M-MDS

DTC P0116:00 [PCM (SKYACTIV-G - US)] DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 PURPOSE: VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY 
  • Verify related Service Bulletins, on-line repair information, or Service Information availability.
  • Is any related Information available?
Yes Perform repair or diagnosis according to the available information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
2 PURPOSE: RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
  • Record the freeze frame data/snapshot data.
NOTE:
  • Recording can be facilitated using the screen capture function of the PC.
- Go to the next step.
3 PURPOSE: VERIFY CONNECTOR CONNECTIONS 
  • Start the engine.
  • Access the [ECT] PID using the M-MDS. (See PID/DATA MONITOR INSPECTION .)
  • Does the PID value fluctuate when the following connectors are shaken?
    • ECT sensor No. 1
    • PCM
Yes Repair or replace the applicable connector parts. Go to Troubleshooting Diagnostic Procedure to perform the repair completion verification.
No Go to the next step.
4 PURPOSE: VERIFY ECT SENSOR No. 1 INPUT SIGNAL 
Yes Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 3.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.