Honda Accord: APP Sensor Signal I n s p e c t i o n - Electronic Throttle Control System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: APP Sensor Signal I n s p e c t i o n

NOTE: - This procedure checks the APP sensor in its fully closed position. In any other position, the APP sensor stores DTCs which are covered in other troubleshooting procedures.

- Check for Pending or Confirmed DTCs with the HDS before doing this procedure. If any DTCs are indicated, troubleshoot them first, then do this procedure.

- Press the accelerator pedal several times, to check its operation. If it does not operate smoothly, check the pedal. If you find a problem, replace the accelerator pedal module (see page 11-240).

1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

2. Turn the ignition switch to ON (II).


2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting (see page 11-181).

4. Make sure the accelerator pedal is not pressed, then check the APP SENSOR in the DATA LIST with the HDS.

- If it is 0 %, the APP sensor is OK.

- If it is not 0 %, update the ECM/PCM if it does not have the latest software (see page 11-203), or substitute a known-good ECM/PCM (see page 11-7), then go to step 5.

5. Make sure the accelerator pedal is not pressed, then check the APP SENSOR in the DATA LIST with the HDS.

- If it is 0 %, the APP sensor is OK.

- If it is not 0 %, replace the accelerator pedal module (see page 11 -240), then go to step 1.

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    Accelerator Pedal Module Removal/Installation
    1. Disconnect the APP sensor connector (A). 2. Remove the accelerator pedal module (B). NOTE: The APP sensor is not available separately. Do not disassemble the accelerator pedal module. 3. ...

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