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Home >> Mazda >> 2022 >> CX-5 Turbo Signature >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (On-Board Diagnostic - Engine Control System (VIN M) (1 Of 7)) >> DTC P0014-00: Hydraulic Variable Valve Timing Control System Over-Advanced >> PID 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: 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 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 PENDING CODE/DTC P0335-00:, P0365-00:, P2090-00: or P2091-00: also present?
 Yes Go to the applicable PENDING CODE or DTC inspection.
(See DTC P0335-00: ).
(See DTC P0365-00: ).
(See DTC P2090-00: ).
(See DTC P2091-00: .) Go to the next step.
No Go to the next step.
4 PURPOSE: VERIFY IF DIAGNOSTIC RESULT IS AFFECTED BY DTC OCCURRING FROM ENGINE OIL PRESSURE SENSOR
  • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST ).
  • Is the PENDING CODE/DTC P0524-00: also present?
 Yes Go to the applicable PENDING CODE or DTC inspection.
(See DTC P0524-00: .) Go to the next step.
No Go to the next step.
5 PURPOSE: VERIFY CONFORMITY OF ACTUAL EXHAUST VALVE TIMING AND DETERMINE IF MALFUNCTION IS CAUSED BY OCV FOR HYDRAULIC VARIABLE VALVE TIMING OR CONNECTOR RELATED
  • VT_EX_ACT
    • VT_EX_DES
  • Implement the repeatability verification procedure. (See Repeatability Verification Procedure ).
  • Does the monitor value of the PID item VT_EX_ACT conform to the VT_EX_DES PID value?
 Yes Go to the next step.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
6 PURPOSE: VERIFY CONNECTOR CONNECTIONS
  • Start the engine.
  • Access the VT_EX_ACT PID using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST ).
  • Does the PID value fluctuate when the following connectors are shaken?
  • OCV for hydraulic variable valve timing
    • PCM
 Yes Repair or replace the applicable wiring harness or connector parts.
Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 9.
No Go to Troubleshooting Diagnostic Procedure to perform the procedure from Step 1.
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