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. (See HOW TO USE THIS MANUAL.)




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. (See PCM INSPECTION [LF].) Not Using the M-MDS

Circuit Open/Short Inspection
1. Disconnect the PCM connector.
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