volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) -G39- Before Converter, Checking|Page 3975 > < Heated Oxygen Sensor (HO2S) -G39- Before Converter, Checking|Page 3973
Page 3
background image

-

Check wiring between test box and 4 pin connector for open circuit according to wiring diagram.
Contact 2 + socket 28
Wire resistance: Max. 1.5 Ohm

If the specification is obtained:

-

Check wiring from contact 1 to fuel pump (FP) relay -J17- according to wiring diagram.

Heated Oxygen Sensor (HO2S) -G39- Before Converter, Checking|Page 3975 > < Heated Oxygen Sensor (HO2S) -G39- Before Converter, Checking|Page 3973