Accelerator Pedal Position Sensor: Testing and Inspection

ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [LF]

NOTE:
- Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. Description and Operation

1. Connect the M-MDS to the DLC-2.






2. Turn the ignition switch to the ON position.

3. Select APP1 and APP2 PID on the M-MDS.

4. Verify that the APP1 and APP2 PID is within the specification when the accelerator pedal not depressed. Component Tests and General Diagnostics

Circuit Open/Short Inspection

1. Disconnect the PCM connector. Service and Repair

2. Disconnect the APP sensor connector.

3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)











Open circuit

- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.

- APP sensor terminal A and PCM terminal 1AJ
- APP sensor terminal B and PCM terminal 1AV
- APP sensor terminal C and PCM terminal 1AP
- APP sensor terminal D and PCM terminal 1AL
- APP sensor terminal E and PCM terminal 1AS
- APP sensor terminal F and PCM terminal 1AO

Short circuit

- If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.

- APP sensor terminal A and body ground
- APP sensor terminal B and power supply
- APP sensor terminal C and body ground
- APP sensor terminal C and power supply
- APP sensor terminal D and body ground
- APP sensor terminal E and power supply
- APP sensor terminal F and body ground
- APP sensor terminal F and power supply