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 MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 638 (DYNAMIC STABILITY CONTROL SYSTEM)REAR ABS WHEEL-SPEED SENSOR INSPECTIONSENSOR OUTPUT VALUE INSPECTION
2011 Mazda 3 Mazdaspeed, 2.3 3
Sensor Output Value Inspection
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Sensor Output Value Inspection
WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- Resistance inspection using other testers may cause damage to the ABS wheel-speed sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed sensor.
- Turn the ignition switch off.
- Connect the M-MDS to the DLC-2.
- Select the following PIDs using the M-MDS:
- LR_WSPD
(LR wheel-speed sensor)
- RR_WSPD
(RR wheel-speed sensor)
- LR_WSPD
- Start the engine and drive the vehicle.
- Verify that the display of the M-MDS shows the same value as the speedometer.
- If there is any malfunction, replace the rear ABS wheel-speed sensor.
RENDER: 1.0x
NO RELATED
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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.