5000S Quattro Sedan L5-2309cc 2.3L SOHC (NF) (1988)
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Pin 24 to 23
At rest ........................................................................................................................................................................................................... 0.1 - 0.4V
Open (Idle) ................................................................................................................................................................................................... 0.8 - 1.2V
ELECTRO-HYDRAULIC ACTUATOR
Pin 4 to 18 .......................................................................................................................................................................................................... 3.0 - 3.5V
Control voltage for the EHA will vary with temperature of engine.
During warm engine operation it will be close to the voltage at pin 5
Pin 5 to 18 .......................................................................................................................................................................................................... 4.5 - 5.5V
OXYGEN SENSOR
Pin 7 to 8
Key ON ........................................................................................................................................................................................................ 0.4 - 0.5V
Engine Idling ................................................................................................................................................................................................ 0.1 - 0.8V
02 voltage will vary between .10 and .80 at about 1 hz when engine warm and 2500 rpm.
COLD START VALVE
Pin 16 to 18
Cool engine (cranking) ....................................................................................................................................................................................... 0 - 1V
Cold start injector terminal will return to battery voltage after about 4 seconds with a 15k resistor in place of the coolant sensor.
Warm engine (cranking) .................................................................................................................................................................................. 8 - 11V
