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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Symptom Troubleshooting [Automatic Transaxle Aw6A-El)) >> No. 29 Does Not Upshift In M Range >> 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.
NO. 29 DOES NOT SHIFT UP IN M RANGE DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 Inspect the voltage at the TCM terminal A3. (See TCM INSPECTION .)
Is the voltage normal		 Yes Inspect the instrument cluster.
No Inspect the up switch.
  • If the up switch is normal, inspect for continuity between the up switch and TCM terminal A3.
2
  • 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.
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