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 DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTHEADLIGHTSTROUBLESHOOTING (LIGHTING SYSTEM)REVERSING LAMPSINSPECTION AND VERIFICATION
2006 Mazda B4000 Base, Automatic
Inspection and Verification
2006 Mazda B4000 Base, AutomaticSECTION Inspection and Verification
- Verify the customer concern.
- Visually inspect the following for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
VISUAL INSPECTION CHARTMechanical Electrical - Digital transaxle range (TR) sensor (automatic transaxle)
- Reversing lamp switch (manual transaxle)
- Smart junction box (SJB) fuse 20 (10A) (backup lamps)
- SJB
- Circuitry
- Bulb(s)
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the concern is not visually evident, verify the symptom. See SYMPTOM TROUBLESHOOTING CHART - REVERSING LAMPS .
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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.