900 L4-1985cc 2.0L (1982)
- Current to fan motor. Regulation of fan speed possible.
- Air valves to floor and central panel vents open.
- Vacuum servos 5 and 7 operative 7 in the first stage.
- Defroster and outer panel vents closed but leakage past valves.
- Air valves 6, 8 and 9 open (8 and 9 partially open).
Position - Floor
- Current to fan motor. Regulation of fan speed possible.
- Air valves to floor open.
- Vacuum servo 7 operative (second stage).
- Defroster, outer and central panel vents closed, leakage of air past defroster and outer panel vent valves.
- Air valves 8 and 9 wide open
Position - Comfort