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Test the lambda probe wiring > < Function test

Leon Mk2

Test the basic voltage
Test the basic voltage
   
–  Detach the 6-contacts connector (black) to the pre-catalyst lambda probe -G39--arrow-.
  N24-0990
–  To test the voltage, connect the multimeter to connectors 3 + 4 (connector to the engine control unit), using the auxiliary leads of the -V.A.G. 1594 A-.
–  Switch on the ignition and test the basic voltage. Target value: 0.40...0.50 V
–  Switch off the ignition.
If the target value is not reached:
–  Test the lambda probe wiring → Chapter.
If the target value is reached:
–  Replace the pre-catalyst lambda probe -G39-.
  A24-0139

Test the lambda probe wiring > < Function test