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Home >> Mazda >> 2020 >> CX-3 AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (1 Of 5) >> 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 DIAGNOSTIC PROCEDURE

STEP INSPECTION RESULTS ACTION
1 PURPOSE: VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line 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.
No Go to the next step.
2 PURPOSE: RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION 
NOTE:
  • Recording can be facilitated using the screen capture function of the PC.
  • Record the FREEZE FRAME DATA/snapshot data on the repair order.
- Go to the next step.
3 PURPOSE: VERIFY CONNECTOR CONNECTIONS 
  • Start the engine.
  • Access the ECT PID using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST .)
  • Does the PID value fluctuate when the PCM and ECT sensor No. 1 connectors are shaken?
Yes Repair or replace the applicable connector parts.
Go to the troubleshooting procedure to perform the procedure from Step 8.
No Go to the next step.
4 PURPOSE: VERIFY ECT SENSOR No. 1 INPUT SIGNAL  Yes Go to the troubleshooting procedure to perform the procedure from Step 3.
No Go to the troubleshooting procedure to perform the procedure from Step 1.