Throttle Position Sensor: Adjustments

Idle Switch Adjustment:

1. Start and warm the engine to operating temperature.
2. Disconnect the idle switch connector.
3. Connect an ohm meter or continuity tester between terminals B and C.
4. Connect a tachometer to the engine.
5. Raise the engine rpm to 2000 rpm and slowly lower to idle.
6. Confirm that continuity does not exist until engine rpm reaches 1000 +/- 150.
7. If not within specified range, loosen the two securing screws and rotate switch until within range.
8. Tighten screws and recheck.