volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

ABOUT US
Installing speedometer (G54) > < Checking output voltage

Passat (B3)

Checking LED
Checking LED
   
The negative terminal is marked by:
1 - Phase on diode housing
2 - Larger terminal in diode housing
With some diodes the negative terminal connection is also offset.
  V90-0731
–  Simultaneously press buttons for resistance and voltage measurement -arrows- on digital multimeter -V.A.G 1315A-.
–  Connect red terminal “+” to LED (+).
–  Connect black terminal “-” to LED (-).
LED must light up.
  V90-0381

Installing speedometer (G54) > < Checking output voltage