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.
2017 Mazda CX-5 Grand Select, AWDFACTORY OEM SERVICE PROCEDURE
Function Inspection
- Connect the M-MDS to the DLC-2.
- Switch the ignition ON (engine off).
- Display the PID MAF. (See ON-BOARD DIAGNOSTIC TEST .) (See PCM INSPECTIONÂ .)
- Compare the voltage and flow rate indications for the PID MAF with the standard in the table indicated below.
- If they do not match the standard, replace the PCM. (See PCM REMOVAL/INSTALLATIONÂ .)
- If they match the standard, perform the voltage inspection. (See VOLTAGE INSPECTIONÂ .)
StandardÂ
| MAF | Remarks | |
|---|---|---|
| V | Â | g/s {lb/min} |
| Approx. 0.72 | 0.59 {0.078} | Ignition switched ON (engine off) |
| Approx. 0.93 | 3.79 {0.501} | Idle (after warm up) |
| Approx. 1.11 | 6.96 {0.921} | Racing (Engine speed: 2, 000 rpm) |
Factory Service Tools
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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.