LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic [Automatic Transaxle F5SA-El] >> DTC U0401:00 >> Diagnostic Procedure

Diagnostic Procedure

STEP INSPECTION ACTION
1 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 VERIFY DTC IS PRESENT 
  • Switch the ignition ON (Engine off).
  • Read the DTC in the PCM.
  • Are any DTCs stored?
 Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Go to the next step.
3 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:
    • Start the engine.
    • Warm up the engine to normal operating temperature.
    • Drive the vehicle in D position for 0.5 s or more.
  • Is the same DTC present?
 Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY NO DTCs ARE PRESENT  Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No DTC troubleshooting completed.
scientia non olet · About LEMON Manuals