Throttle Position (TP) Sensor Inspection [LF]: 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 related to the accelerator pedal position sensor is not detected.

NOTE:

• Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS SERVICE INFORMATION )

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 [LF] )
2. Connect the M-MDS to the DLC-2.
3. Turn the ignition switch to the 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 INSPECTION [LF] )
   Fig 1: Identifying DLC-2

   Courtesy 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.
   • If not verified, perform the "Circuit Open/Short Inspection".
     • If there is no open or short circuit, replace the throttle body. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF] )

Fig 2: Throttle Opening Angle

Courtesy of MAZDA MOTORS CORP.