Throttle Position (TP) Sensor Inspection: Notes

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Perform the following inspection only when directed.

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 .)
Connect the WDS or equivalent to the DLC-2.
Turn the ignition switch to ON position.
Select TP1 or TP2 PID (percentage) on the WDS or equivalent.
Verify that the TP1 or TP2 PID is within the specification when the accelerator pedal not depressed. (See PCM INSPECTION .)

Fig 1: Locating DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.
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 .)
    
    Fig 2: Identifying Opening Angle
    Courtesy of MAZDA MOTORS CORP.