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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle F5SA-El] >> DTC P0751:00 >> Diagnostic Procedure

Diagnostic Procedure

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA been recorded on the repair order?
Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 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 INSPECT ATF CONDITION  Yes Go to the next step.
No Replace the ATF, then go to Step 8.
(See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT )
4 INSPECT ATF LEVEL  Yes Go to the next step.
No Add ATF to the specified level, then go to Step 8.
(See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION )
5 INSPECT SHIFT SOLENOID A  Yes Replace the shift solenoid A, then go to Step 8.
(See SOLENOID VALVE REMOVAL/INSTALLATION .)
No Go to the next step.
6 INSPECT LINE PRESSURE  Yes Repair or replace malfunctioning part according to test result, then go to Step 8.
No Go to the next step.
7 INSPECT PRIMARY CONTROL VALVE BODY 
  • Remove the primary control valve body.

    (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)

  • Disassemble the primary control valve body.
  • Inspect the following parts:
    • Shift valve
    • Return spring
    • Hydraulic passage
  • Is there any malfunction?
Yes Repair or replace malfunctioning part according to inspection result, then go to next step.
No Replace the transaxle, then go to the next step.
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
8 VERIFY DTC TROUBLESHOOTING COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC using the M-MDS.
  • Perform the following procedure to ensure that the DTC has been resolved:
    • Drive the vehicle under the following conditions for 5 s or more.
      • Gear position is 4GR
      • Vehicle speed is 46 km/h {29 mph} or more
      • TCC operation is off
  • Is the PENDING CODE same as the DTC present?
Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
No Go to the next step.
9 VERIFY NO DTCs ARE PRESENT  Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No DTC troubleshooting completed.