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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 P0110-00: IAT Sensor No. 1 Control System: Internal Malfunction (PYUL) >> Function Inspection Using M-MDS

Function Inspection Using M-MDS

WARNING: This page is about a different variant/trim than selected.
P0110-00 (PCM (PYUL)) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 PURPOSE: IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA 
  • Is the DTC P0110-00 on freeze frame data?
Yes Go to the next step.
No Go to the troubleshooting procedure for DTC on freeze frame data.
(See DTC TABLE (PYUL) )
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: INSPECT FOR OTHER RELATED DTCs 
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION )
  • Are any other DTCs displayed?
Yes Repair or replace the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE (PYUL) )
No Go to the next step.
4 PURPOSE: VERIFY MAF SENSOR/IAT SENSOR No. 1 INPUT SIGNAL 
  • Start the engine and idle it.
  • Access the following PCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION )
    • MAF
    • IAT
  • Is the monitoring value normal?
Yes Go to the next step.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
5 PURPOSE: VERIFY CONNECTOR CONNECTIONS 
  • Access the following PCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION )
    • MAF
    • IAT
  • Does the PID value fluctuate when the following connectors are shaken?
    • MAF sensor/IAT sensor No. 1
    • PCM
Yes Inspect the related wiring harness and connector.
  • Repair or replace the malfunctioning part.

Go to Troubleshooting Diagnostic Procedure to perform the repair completion verification 1.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.