LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System (VIN A) (2 Of 2)) >> Heated Oxygen Sensor (Ho2S) Inspection [PYUL] >> HO2S Inspection >> PID/data monitor inspection

PID/data monitor inspection

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Perform the procedure with the M-MDS connected to the DLC-2.
  • Start the engine and perform the procedure with the engine warmed up.
  1. Display the following PID using the data monitor function. (Refer to [PID/DATA MONITOR INSPECTION ] in the appropriate troubleshooting information ) (Refer to [PID/DATA MONITOR TABLE [PCM] ] in the appropriate troubleshooting information )
    • VSS (Vehicle speed)
    • ENG_RPM (Engine speed)
    • HO2S_OUT_VOLT (HO2S sensor output voltage)
  2. Drive the vehicle and release the accelerator pedal with the engine speed at 3, 000 rpm to decelerate.
  3. During deceleration, verify that [HO2S_OUT_VOLT] (HO2S output voltage) changes as shown in the figure.
    G16707597Courtesy of MAZDA MOTORS CORP.
    COMPONENT OPERATIONS

    Component No Refer to
    1 VSS
    2 ENG_RPM
    3 HO2S_OUT_VOLT
    4 0.3 V or less