volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor (O2S) Aging Oxygen Sensor 1, Checking|Page 1037 > < Oxygen Sensor (O2S) Aging Oxygen Sensor 1, Checking|Page 1035
Page 2
background image

-

Remove protective cover -arrows- and separate 4-pin connector (brown) to Oxygen sensor after catalyst (G130).

-

Check probe heating for continuity at Oxygen sensor connector contacts 1 and 2.

If it is determined that probe heating has an open circuit:

-

Replace the Oxygen sensor after catalyst (G130).

If probe heating has continuity:

-

Set multimeter to measure voltage and connect to contacts 1 and 2 on connector to control module.

-

Start engine and run at idling speed.

Oxygen Sensor (O2S) Aging Oxygen Sensor 1, Checking|Page 1037 > < Oxygen Sensor (O2S) Aging Oxygen Sensor 1, Checking|Page 1035