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 MANUALSMAZDA2006B4000 BASE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE SYMPTOM TROUBLESHOOTING - (5 OF 5)
2006 Mazda B4000 Base, Automatic
Engine Symptom Troubleshooting - (5 Of 5)
2006 Mazda B4000 Base, AutomaticSECTION Engine Symptom Troubleshooting - (5 Of 5)
- Evaporative Emission System Inspection
- Symptom Troubleshooting Chart - Charging System
- Notes
- Charging System Pinpoint Test 1: Battery Is Discharged Or Battery Voltage Is Low
- Charging System Pinpoint Test 2: Charging System Warning Indicator Is On With The Engine Running (Charging System Voltage Does Not Increase)
- Charging System Pinpoint Test 3: Charging System Overcharges (Battery Voltage Is Greater Than 15.5 Volts)
- Charging System Pinpoint Test 4: Charging System Warning Indicator Is On With The Engine Running And The Battery Increases Voltage
- Charging System Pinpoint Test 5: Charging System Warning Indicator Is Off With The Ignition Switch In The Run Position And The Engine Off
- Charging System Pinpoint Test 6: Charging System Warning Indicator Flickers Or Is Intermittent
- Charging System Pinpoint Test 7: Generator Is Noisy
- Charging System Pinpoint Test 8: Radio Interference
- Symptom Troubleshooting Chart - Starting System
- Symptom Troubleshooting Chart - Cruise Control
- Cruise Control Self-Test Diagnostics
- Symptom Troubleshooting Chart - Cruise Control
- Connector End Views - Cruise Control
- Cruise Control System Pinpoint Test 1: Cruise Control Is Inoperative - No Flash Codes
- Cruise Control System Pinpoint Test 2: Set Speed Fluctuates
- Cruise Control System Pinpoint Test 3: Cruise Control Does Not Disengage When The Brakes Are Applied
- Cruise Control System Pinpoint Test 4: Cruise Control Does Not Disengage When The Clutch Is Applied
- Cruise Control System Pinpoint Test 5: Cruise Control Switch Is Inoperative
- Cruise Control System Pinpoint Test 6: Flash With Last Switch Presses But No Dynamic Pull Occurs At The Throttle
- Cruise Control System Pinpoint Test 7: Flash Code 2 - Brake Pedal Position (BPP) Switch Circuit Failure
- Cruise Control System Pinpoint Test 8: Flash Code 3 - DEACTIVATOR Switch Failure
- Cruise Control System Pinpoint Test 9: Cruise Control Indicator Lamp Is Always On
- Cruise Control System Pinpoint Test 10: Flash Code 4 - Speed Signal Circuit Failure
- Symptom Troubleshooting Chart - Powertrain Control Module (Pcm)
- General Test Index
- Notes
- Connector End Views - General Tests
- General Pinpoint Test 1: Vehicle Reference Voltage
- General Pinpoint Test 2: Tachometer Output (CTO) Failure
- General Pinpoint Test 3: Malfunction Indicator Lamp (Mil)
- General Pinpoint Test 4: Intermittent
- General Pinpoint Test 5: Fuel Delivery System
- General Pinpoint Test 6: Positive Crankcase Ventilation PCV System
- General Pinpoint Test 7: Pcm Power Relay
- General Pinpoint Test 8: Crankshaft Position (CKP) Sensor
- General Pinpoint Test 9: Fuel Pump Inspection
- Pinpoint Test 10: Fuel Line Pressure/Fuel Pressure Hold Inspection
- General Pinpoint Test 11: Fuel Injector Inspection
- General Pinpoint Test 12: No Start
- 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.