Description & Operation
WARNING: This page is about a different car, the 1992 Subaru SVX, 1992 Subaru Legacy, 1991 Subaru Legacy, and 1990 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
Throttle plate position is controlled by vacuum-powered actuator mounted on engine compartment firewall. Vacuum supply to actuator is controlled by valve and pump assembly that contains a vacuum pump motor, vent valve and safety valve. See ELECTRICAL COMPONENT LOCATIONS . Valve and pump assembly receives commands from solid-state cruise control unit. Cruise control unit receives inputs from the following components:
- Main Switch On Instrument Panel
- Cruise Control Main Relay
- Speedometer (Legacy) Or Vehicle Speed Sensor (SVX)
- Control Switch (Sub-Switch) Containing RESUME And SET Switches (And CANCEL Switch On Vehicles With Air Bag)
- Multi-Point Fuel Injection (MPFI) Control Unit (Provides Engine RPM Signal)
- Brakelight Switch
- Inhibitor Relay (A/T)
- Clutch Switch (M/T).