Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA2005B2300 AUTOMATICREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSSYMPTOM TROUBLESHOOTING [ENGINE)GENERAL TEST INDEXNOTES
2005 Mazda B2300 Automatic
General Test Index: Notes
2005 Mazda B2300 AutomaticSECTION Notes
GENERAL TEST INDEX
| General Test Chart | |||
|---|---|---|---|
| NO. | NAME | TEST | PAGE |
| 1 | VREF | Used to diagnose VREF supply malfunctions. | See GENERAL PINPOINT TEST 1: VEHICLE REFERENCE VOLTAGE . |
| 2 | CTO | Used to diagnose Clean Tachometer Output malfunctions. | See GENERAL PINPOINT TEST 2: TACHOMETER OUTPUT (CTO) FAILURE . |
| 3 | MIL | Used to diagnose MIL malfunctions. | See GENERAL PINPOINT TEST 3: MALFUNCTION INDICATOR LAMP (MIL) . |
| 4 | Intermittent | Used to diagnose intermittent concerns. | See GENERAL PINPOINT TEST 4: INTERMITTENT |
| 5 | Fuel Delivery | Used to diagnose fuel delivery concerns. | See GENERAL PINPOINT TEST 5: FUEL DELIVERY SYSTEM . |
| 6 | PCV | Used to diagnose PCV system. | See GENERAL PINPOINT TEST 6: POSITIVE CRANKCASE VENTILATION PCV SYSTEM . |
| 7 | EEC Power Relay | Used to diagnose Electronic Engine Control Power Relay failure. | See GENERAL PINPOINT TEST 7: PCM POWER RELAY . |
| 8 | CKP | Used to diagnose CKP sensor, harness and PCM malfunctions. | See GENERAL PINPOINT TEST 8: CRANKSHAFT POSITION (CKP) SENSOR . |
| 9 | Fuel Pump Inspection | Used to diagnose fuel pump function. | See GENERAL PINPOINT TEST 9: FUEL PUMP INSPECTION . |
| 10 | Fuel Pressure Inspection | Used to diagnose fuel line pressure and pressure hold. | See PINPOINT TEST 10: FUEL LINE PRESSURE/FUEL PRESSURE HOLD INSPECTION . |
| 11 | Fuel Injector Inspection | Used to diagnose fuel injector concerns. | See GENERAL PINPOINT TEST 11: FUEL INJECTOR INSPECTION . |
| 12 | No Start | Used to diagnose No Start condition. | See GENERAL PINPOINT TEST 12: NO START . |
| 13 | Ignition Scope Test | Used to diagnose ignition coil malfunction and misfires. | See GENERAL PINPOINT TEST 13: IGNITION SCOPE PINPOINT TEST . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.