Function Inspection

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Connect the M-MDS to the DLC-2.
Switch the ignition ON (engine off).
Display the PID FUEL_PRES. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)] .) (See PCM INSPECTION .)
Compare the voltage and fuel value indications for the PID FUEL_PRES with the standard in the table indicated below.
- If they do not match the standard, replace the PCM. (See PCM REMOVAL/INSTALLATION .)
- If they match the standard, perform the voltage inspection. (See VOLTAGE INSPECTION .)

Standard

FUEL_PRES
V	MPa {kgf/cm² , psi}
Approx. 1.4	10 {102, 1450}