Note: This procedure tests the APP sensor in its fully closed position. In any other position, the APP sensor stores DTCs that are covered in another troubleshooting procedure.
Before performing this procedure, check for Temporary DTCs or DTCs using the HDS. If any DTCs are displayed, troubleshoot them, then perform this procedure.
Press the accelerator pedal several times to check its operation. If there is any interference in operation, check the pedal. If you find a malfunction, replace the accelerator pedal module.
1. Connect the HDS to the DLC A data link connector located on the driver's side under the instrument panel.
2. Turn the ignition on by turning the key to the "ON" (II) position.
3. Make sure the accelerator pedal is not pressed, then check the APP sensor ("APP SENSOR") in the data list ("DATA LIST") using the HDS system.
- If 0%, then the APP sensor is working properly.
- If not 0%, update the ECM if it does not have the latest software, or temporarily replace it with a known good ECM, then go to step 4.
4. Make sure the accelerator pedal is not pressed, then check the APP sensor ("APP SENSOR") in the data list ("DATA LIST") using the HDS system.
- If 0%, then the APP sensor is working properly.
- If not 0%, replace the accelerator pedal module, then go to step 1.
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