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Home >> Audi >> 1988 >> 5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Pinout Values and Diagnostic Parameters >> Ohms Measurements
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Ohms Measurements



35 Position ECU Plug:




For Terminal ID please refer to "Powertrain Management : Computers and Control Systems : Engine Control Module : Connector Views". Connector Views

CAUTION: When measuring Ohms disconnect the ECU from the harness plug and never turn the ignition key on. It is possible that failure to follow these steps will result in damage to the ECU.

GROUNDS
KEY OFF
Pin G1 to 6 0.0 - 0.5 Ohms
Pin G1 to 9 0.0 - 0.5 Ohms
Pin G1 to 18 0.0 - 0.5 Ohms
Pin G1 to 34 0.0 - 0.5 Ohms

MAGNETIC COIL SENSORS
Sensor type
Pin 12 to 13 (Mark) 900 - 1100 Ohms
Pin 11 to 29 (speed) 900 - 1100 Ohms

COOLANT TEMPERATURE SENSOR
Pin 2 to 21
68°F 2200 - 2700 Ohms
176-194°F 200 - 350 Ohms

AIR TEMPERATURE SENSOR
Pin 23 to 24
68°F 800 - 1200 Ohms
104-122°F 400 - 700 Ohms

THROTTLE SWITCH
Pin 20 to 35 (Closed) 0.0 - 2.0 Ohms
Pin 26 to 35 (Full load) 0.0 - 2.0 Ohms

SINGLE INJECTOR
Winding
Frequency Valve 2.30 - 2.70 Ohms
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