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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 363 (On-Board Diagnostic [Automatic Transaxle Aw6A-El)) >> DTC P0603 >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0603 [AW6A-EL] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has the FREEZE FRAME DATA been recorded?
 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 Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
3 VERIFY TROUBLESHOOTING OF DTC P0603 COMPLETED 
  • Make sure to reconnect all the disconnected connectors.
  • Clear the DTC from the memory using the WDS or equivalent.
  • Drive the vehicle in D range and make sure that gears shift smoothly from 1GR to 6GR.
  • Is 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 AFTER REPAIR PROCEDURE 
 Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Troubleshooting completed.
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