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 MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASON-BOARD DIAGNOSTIC [BLIND SPOT MONITORING SYSTEM]
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3
On-Board Diagnostic [Blind Spot Monitoring System]
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION On-Board Diagnostic [Blind Spot Monitoring System]
- On-Board Diagnostic Wiring Diagram [Blind Spot Monitoring (BSM)]
- Foreword [Blind Spot Monitoring (BSM)]
- DTC Inspection [Blind Spot Monitoring (BSM)]
- Clearing DTC [Blind Spot Monitoring (BSM)]
- DTC Table [Blind Spot Monitoring (BSM)]
- DTC B118C:11 [BLIND SPOT MONITORING (Short to ground in BSM indicator light (LH) circuit]
- DTC B118C:15 [BLIND SPOT MONITORING (Short to power supply or open circuit in BSM indicator light (LH) circuit)]
- DTC B118D:11 [BLIND SPOT MONITORING (Short to ground in BSM indicator light (RH) circuit)]
- DTC B118D:15 [BLIND SPOT MONITORING (Short to power supply or open circuit in BSM indicator light (RH) circuit)]
- DTC U0401:68 [BLIND SPOT MONITORING (Error signal from PCM)]
- DTC U0402:68 [BLIND SPOT MONITORING (Error signal from TCM)]
- DTC U0422:68 [BLIND SPOT MONITORING (Error signal from BCM)]
- DTC U0533:68 [BLIND SPOT MONITORING (Error signal from BSM control module (LH))]
- DTC U0534:68 [BLIND SPOT MONITORING (Error signal from BSM control module (RH))]
- DTC U3000:01 [BLIND SPOT MONITORING (BSM control module internal electrical malfunction)]
- DTC U3000:09 [BLIND SPOT MONITORING (BSM control module internal malfunction)]
- DTC U3000:4A [BLIND SPOT MONITORING (BSM control module assembly abnormality)]
- DTC U3000:97 [BLIND SPOT MONITORING (Radar performance malfunction)]
- DTC U3003:16 [BSM control module power supply voltage low]
- DTC U3003:17 [BSM control module power supply voltage high]
- PID/Data Monitor Inspection [Blind Spot Monitoring (BSM)]
- PID/Data Monitor Table [Blind Spot Monitoring (BSM)]
- Active Command Modes Inspection [Blind Spot Monitoring (BSM)]
- Active Command Modes Table [Blind Spot Monitoring (BSM)]
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.