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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (On-Board Diagnostic - Pcm (VIN A) (1 Of 4)) >> DTC P0116-00: ECT Sensor System: Function Malfunction (PYUL) >> Function Inspection Using M-MDS

Function Inspection Using M-MDS

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P0116-00 (PCM (PYUL)) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 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.
2 PURPOSE: VERIFY CONNECTOR CONNECTIONS 
  • Start the engine.
  • Access the PCM PID [ECT] using the M-MDS. (See PID/DATA MONITOR INSPECTION )
  • Does the PID value fluctuate when the following connectors are shaken?
    • ECT sensor
    • PCM
 Yes Repair or replace the applicable connector parts.
Go to Troubleshooting Diagnostic Procedure to perform the repair completion verification 1.
No Go to the next step.
3 PURPOSE: VERIFY ECT SENSOR 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.
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