Passat L4-1984cc 2.0L DOHC (1991)
Engine Control Module: Testing and Inspection
Ohms Measurements
25 Position ECU Plug
For Terminal ID refer to "Powertrain Management : Computers and Control Systems : Engine Control Module : Diagrams". See:
Diagrams/Connector Views
CAUTION: WHEN MEASURING OHMS DISCONNECT THE ECU FROM THE HARNESS PLUG AND NEVER TURN THE IGNITION KEY
ON. IT IS P0SSIBLE THAT FAILURE TO FOLLOW THESE STEPS WILL RESULT IN DAMAGE TO THE ECU.
Grounds
Magnetic Coil Sensors
Coolant Temperature Sensor
Throttle Switch
Throttle Position Sensor
Electro-Hydraulic Actuator