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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Symptom Troubleshooting [Automatic Transaxle AY6A-El]) >> No.22 No Engine Braking In 1GR Position Of M Position >> Diagnostic Procedure

Diagnostic Procedure

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STEP INSPECTION ACTION
1 INSPECT FOR TRANSAXLE SLIPPAGE MALFUNCTION 
  • Do the following symptoms occur concurrently?
    • Engine flares up or slips during acceleration
    • Engine flares up or slips when shifting
Yes Go to No.14 "ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING", or No.15 "ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE".
No Go to the next step.
2 VERIFY IF MALFUNCTION CAUSE IS SHIFT SOLENOIDS OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) 
Yes Inspect the ATF condition.
If large amount of metal specks are found, replace the transaxle.
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
If a large amount of metal specks are not found, replace the control valve body.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
No Inspect the coupler component.
If normal, replace the control valve body.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
3
  • Verify test results.
    • If normal, return to the diagnostic index to service any additional symptoms.
    • If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
      • If the vehicle is repaired, troubleshooting completed.
      • If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.