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.
NOTE:
- Before performing the following inspection, make sure to follow the troubleshooting flowchart. (See FOREWORD .)
- 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 M-MDS to the DLC-2.
- Turn the ignition switch to ON position.
- Select TP1 or TP2 PID (percentage) on the M-MDS.
- Verify that the TP1 or TP2 PID is within the specification when the accelerator pedal not depressed. (See PCM INSPECTION ).
- 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 , INTAKE AIR SYSTEM REMOVAL/INSTALLATION .)
- If not verified, perform the "CIRCUIT OPEN/SHORT INSPECTION ".