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Home >> Volkswagen >> 1988 >> Golf L4-1781cc 1.8L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Description and Operation >> Digifant II System >> Throttle Switches (Digifant II)
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Throttle Switches (Digifant II)

DIGIFANT II




Throttle Switches

The idle and full throttle switches are wired in parallel. The switches are mounted on the throttle housing.

A voltage signal is sent to the E.C.U. when the throttle switch and throttle plates are closed. The switch opens when the throttle has been opened approximately 1°. The idle switch signal is used for:

- Operation of idle stabilizer valve
- Operation of deceleration fuel shut-off
- Activation of special ignition timing map for deceleration

The full throttle switch closes about 10° before full throttle. This signal is used for:

- Full throttle enrichment