4000,S L4-1781cc 1.8L SOHC (MG) (1985)
AIR FLOW POTENTIOMETER
Pin 14 to 17
At rest ........................................................................................................................................................................................................... 0.1 - 0.3V
Open (Idle) ................................................................................................................................................................................................... 0.8 - 1.2V
ALTITUDE SENSOR
Pin 26 to 35 ........................................................................................................................................................................................................ 4.5 - 5.5V
Pin 25 to 35 (Under 6500') ................................................................................................................................................................................. 1.5 - 4.0V
- The Altitude Sensor is not installed on 80 Model 2.0L 1989-90.
- As altitude increases voltage decreases.
TRANSMISSION SWITCH
Engine idling
Pin 34 to 35 (A/T only) .................................................................................................................................................................................... 9 - 11V
COLD START VALVE
Cranking (cool engine)
Pin 16 to 35 (4 sec) ............................................................................................................................................................................................ 0 - 1V
-
15k resistor in place of coolant sensor will allow testing of the cold start injector.
Cranking (warm engine)
Pin 16 to 35 ...................................................................................................................................................................................................... 8 - 11V
AIR CONDITIONER CONTROL
Engine Idling
Pin 33 to 35 (A/C on) ..................................................................................................................................................................................... 11 - 13V