Accelerator Pedal Position Sensor: Service and Repair

ACCELERATOR PEDAL POSITION SENSOR

REMOVAL

Fig.2 Apps Location:

The APPS is serviced (replaced) as one assembly including the sensor, plastic housing and cable. The APPS assembly is located under the vehicle battery tray. Access to APPS is gained from over top of left / front tire.

1. Disconnect negative battery cable at battery.
2. Disconnect APPS cable at accelerator pedal. Refer to Accelerator Pedal Removal/Installation.
3. Remove wheel house liner at left / front wheel. Refer to Body.

Fig.3 Apps Remove/Install:

4. Gain access to APPS electrical connector by opening swing-down door. Disconnect electrical connector.
5. Remove 3 mounting bolts.
6. Remove APPS assembly from battery tray.

Fig.4 Apps Cable:

7. If cable is to be separated at APPS, unsnap cable clip from ball socket. Release cable from plastic housing by pressing on small cable release tab.

INSTALLATION
1. Install Accelerator Pedal Position Sensor (APPS) cable to accelerator pedal. Refer to Accelerator Pedal Removal/Installation.
2. Connect electrical connector to APPS.
3. If necessary, connect cable to APPS lever ball socket (snaps on).
4. Snap APPS cable cover closed.
5. Position APPS assembly to bottom of battery tray and install 3 bolts. Refer to Torque Specifications.
6. Install wheelhouse liner. Refer to Body.
7. Perform the following procedure:
a. Connect negative battery cable to battery.
b. Turn ignition switch ON, but do not crank engine.
c. Leave ignition switch ON for a minimum of 10 seconds. This will allow PCM to learn electrical parameters.

8. If the previous step is not performed, a Diagnostic Trouble Code (DTC) will be set.
9. If necessary, use DRB III Scan Tool to erase any Diagnostic Trouble Codes (DTC's) from PCM.