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 DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKPOWER SYSTEMSIGNITION SWITCH INSPECTION
2006 Mazda B4000 Base, Automatic
Ignition Switch Inspection
2006 Mazda B4000 Base, AutomaticSECTION Ignition Switch Inspection
- Remove the ignition switch. See IGNITION SWITCH .
- Inspect for continuity between the ignition switch terminals using an ohmmeter.
Inspection
INSPECTION CHARTCircuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate Run power circuit B1 and A1
B2 and A2
B4 and A4Off/lock Open circuit Accessory Open circuit Run Closed circuit Start Open circuit Run/start power circuit B5 and 11 Off/lock Open circuit Accessory Open circuit Run Closed circuit Start Closed circuit Ace power circuit B5 and A1 Off/lock Open circuit Accessory Closed circuit Run Open circuit Start Open circuit Start power circuit B4 and STA Off/lock Open circuit Accessory Open circuit Run Open circuit Start Closed circuit - If not as specified, replace the ignition switch.
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.