Diagnostic Flow Chart
- Know and understand the customer concerns.
- Check the fluid level and condition.
- Verify the concern by operating the vehicle.
- Check for non-factory installed items and verify correct installation.
- Check the shift linkage adjustments.
- Check Technical Service Bulletins (TSBs) and Mazda Tips messages for vehicle concerns.
- Carry out quick tests, both KOER and KOEO.
- Record all codes.
DIAGNOSTIC FLOW CHART
| Diagnostic Flow Chart | ||
|---|---|---|
| 1) Did you record any diagnostic trouble codes (DTCs)? | Yes | REPAIR all hard DTCs. See the DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) then this flow chart. |
| No | GO to Step 5. | |
| 2) Are any continuous test memory codes present? | Yes | CLEAR codes and carry out drive cycle test. |
| No | GO to Step 4. | |
| 3) Do the continuous test memory codes reappear? | Yes | REPAIR all continuous test memory codes. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) , then GO to Step 4. |
| No | GO to Step 4. | |
| 4) Is the concern repaired? | Yes | CARRY OUT the final PCM Quick Test to verify that no DTCs are present. CLEAR memory codes. RETURN vehicle to customer. |
| No | See DIAGNOSIS BY SYMPTOM . | |
| 5) Are there any electrical concerns? | Yes | INSTALL the diagnostic tool and carry out output state control test, then GO to Step 6. |
| No | See DIAGNOSIS BY SYMPTOM , then GO to Step 7. | |
| 6) Was the transaxle concern corrected when the scan tool was installed? | Yes | See the intermittent fault diagnosis and use the diagnostic tool to diagnose cause of concern in the processor, vehicle harness or external inputs (sensors or switches). |
| No | See DIAGNOSIS BY SYMPTOM then GO to Step 7. | |
| 7) Is the concern repaired? | Yes | CARRY OUT the final quick test to verify that no DTCs are present. CLEAR memory codes. RETURN the vehicle to the customer. |
| No | No further testing available, repeat testing as necessary. | |