Throttle Position Sensor: Adjustments

1. Loosen the tension of the accelerator cable.

Location Of TPS:

2. Disconnect the Throttle Position Sensor connector.

Checking Continuity Of Idle Position Switch:

3. Connect an ohmmeter between terminals # 1 and # 2, using lead wires with alligator clips.

Setting The FIxed SAS:

4. Insert a 0.65 mm (0.0256 in.) feeler gauge between the Fixed SAS and the throttle lever.

Adjustment Of The TPS:

5. Loosen the TPS installation screw, then turn the TPS clockwise completely.
Continuity should exist at this time.

6. Slowly turn the TPS in a counterclockwise direction until continuity is broken.

7. Tighten the installation screws.

8. Reconnect the the TPS electrical connector.

Verifying TPS Output To The Control Unit:

9. Without disconnecting the Control Unit connectors, connect a digital voltmeter to the Control Unit terminals as illustrated.

10. Without starting the engine, turn the ignition switch to the ON position, and check the TPS output voltage. 0.4-1.0 volts
If the voltage is out of specification, test the Throttle Position Sensor, its electrical connections and wiring harness.

11. Turn OFF the ignition switch.

12. Remove the feeler gauge.

13. Adjust the tension of the accelerator cable.