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 & EQUIPMENTCOMMUNICATION DEVICESTROUBLESHOOTING (COMMUNICATION CONTROL SYSTEM)MODULE CONTROLLED FUNCTIONS
2006 Mazda B4000 Base, Automatic
Module Controlled Functions
2006 Mazda B4000 Base, AutomaticSECTION Module Controlled Functions
The multifunction modules consist of the following:
- smart junction box (SJB)
The SJB is a combination of a power distribution box and a multifunction module that controls the following features:
- front wiper and washer
- battery saver
- illuminated entry and interior lighting
- driver one-touch down power window (optional)
- remote keyless entry (RKE) (optional)
- power door locks (optional)
RENDER: 1.0x
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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.