Idle Switch

The idle switch detects when throttle is closed and sends signal to ECA, indicating idle conditions are present. On 1.8L engines, idle switch is incorporated with throttle position sensor. On 2.2L models, idle switch is mounted separately near throttle shaft.

On 1.8L engines, this signal affects air/fuel ratio, idle speed, injector timing, fuel pressure and purge flow. On 2.2L models, this signal affects air/fuel ratio, injector timing (turbo) and EGR flow (turbo).