1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [ZY, Z6].)
2. Disconnect the negative battery cable.
3. Perform the following procedure for easier access.
4. Remove the TP sensor.
5. Verify that the throttle valve is fully closed.
6. Install the TP sensor to the throttle body.
7. Verify that the throttle valve moves smoothly.
8. Connect the TP sensor connector.
9. Verify that the TP sensor output voltage (WDS PID: TP) is within the specification when it is open or closed. (See PCM INSPECTION [ZY, Z6].)