LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2024 >> CX-30 Preferred >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (On-Board Diagnostic - Engine Control (VIN Y) (4 Of 6)) >> DTC P0500-00: Vehicle Speed Signal System: Circuit Malfunction

DTC P0500-00: Vehicle Speed Signal System: Circuit Malfunction

WARNING: This page is about a different variant/trim than selected.
P0500-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Vehicle speed signal system: Circuit malfunction
Detection condition
  • The vehicle speed signal input from the DSC HU/CM is incorrect when the following condition is met:
    • Shift position: except P or N position
    • Charging efficiency: specification or more
    • Engine speed: specified rpm or more
    • Brake switch: OFF
Fail-safe
  • Fixes the vehicle speed for the control at 0 km/h {0 mph}.
Possible cause
  1. DTCs are stored in the DSC HU/CM. (See DTC TABLE [DSC] .)
    • DSC HU/CM malfunction
    • Front ABS wheel-speed sensor malfunction
  2. PCM malfunction (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y) in the service information.)
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (see CLEARING DTC .)
  2. Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
    • Access the following PCM PIDs using the M-MDS.
      • ENG_RPM
      • LOAD_CALC
      WARNING:
      • While performing this step, always operate the vehicle in a safe and lawful manner.
      • When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
    • Drive the vehicle under the following condition for 14 s or more.
      • Shift position: except P or N position
      • Charging efficiency: above 40 %
      • Engine speed: 2, 000 rpm or more
      • Brake switch: OFF
  3. Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
System wiring diagram
  • Not applicable