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Home >> Mazda >> 2021 >> CX-5 Sport, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (On-Board Diagnostic - Engine Control (VIN Y) (1 Of 3)) >> DTC P0234-00: Dynamic Pressure Turbo (Dpt) OVERBOOST Condition >> PID Item/Simulation Item Used In Diagnosis >> Function Inspection Using M-MDS

Function Inspection Using M-MDS

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DIAGNOSTIC PROCEDURE - FUNCTION INSPECTION USING M-MDS

STEP INSPECTION RESULTS ACTION
1 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 snapshot data on the repair order.
 - Go to the next step.
2 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.
3 PURPOSE: IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA
  • Is the DTC P0234:00 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 .)
4 PURPOSE: VERIFY IF DIAGNOSTIC RESULT IS AFFECTED BY OTHER RELATED DTCs OCCURRING
  • Switch the ignition off, then ON (engine off).
  • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST .)
  • Is the other PENDING CODE/DTC also present?
 Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Go to the next step.
5 PURPOSE: VERIFY IF THERE IS PID ITEM CAUSING DRASTIC CHANGES OF ACCELERATION FLUCTUATION BY INPUT SIGNAL TO PCM

PCM:
  • MAP
    • MAP_V
  • Is there any signal that is far out of specification?
 Yes Go to the next step.
No Go to the Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
6 PURPOSE: VERIFY CONNECTOR CONNECTIONS

PCM:
  • MAP
    • MAP_V
  • When the following parts are shaken, does the PID value include a PID item which has changed?
    • MAP sensor
      • PCM
 Yes Repair or replace the applicable connector parts.
Go to the Troubleshooting Diagnostic Procedure to perform the procedure from Step 5.
No Go to the Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
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