2010 Mazda 5 Sport, 2.3 L, StandardFACTORY OEM SERVICE PROCEDURE

Throttle Position (TP) Sensor Inspection: Notes

CAUTION:
  • This inspection procedure cannot be completed correctly if the accelerator pedal position sensor has a malfunction. Before performing this procedure, verify that any one of the DTCs (P2122, P2123, P2127, P2128, P2138) related to the accelerator pedal position sensor is not detected.
  1. Verify that no DTC related to APP sensor has been detected.
    • If any DTCs related to APP sensor have been detected, perform the DTC inspection. (See DTC TABLE .)
  2. Connect the M-MDS to the DLC-2.
  3. Turn the ignition switch to ON position.
  4. Select TP1 or TP2 PID (percentage) on the M-MDS.
  5. Verify that the TP1 or TP2 PID is within the specification when the accelerator pedal not depressed. (See PCM INSPECTIONΒ .)
    Fig 1: Identifying Data Link Connector 2
    G05542927Courtesy of MAZDA MOTORS CORP.
  6. Operate the accelerator pedal and verify that the TP1 or TP2 PID (percentage) changes as shown in the following graph in illustration.
    • If not verified, perform the "Circuit Open/Short Inspection".
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.