900 L4-1985cc 2.0L (1982)
- Current to fan motor. Regulation of fan speed possible.
- Vacuum servos 3 and 7 operative (7 second stage).
- Defroster valves open. Floor, outer and central panel vents closed, but air leakage past outer panel vent valves.
- Air valves 4, 8 and 9 open (8 and 9 wide open).
Position - Defroster
- Current to fan motor. Regulation of fan speed possible.
- Defroster valves open. Floor, outer and central panel vents closed, but leakage past outer panel vent valves.
- Vacuum servo 3 operative.
- Air valves 4 open.