Volkswagen Passat 1995 Official Factory Repair Manual page 841

Motronic fuel injection system, servicing
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
If the display shows constant 106
- Switch ignition on.
- Check wire for short circuit to positive.
- Connect multimeter to measure voltage at test
box sockets 1 and 40
Specification: 0 volts
- Switch ignition off
Continuation if voltage is present:
If voltage of about 5 volts was present:
- Separate 3-pin connector to throttle position
sensor.
- Switch ignition on.
- Check wiring at 3-pin connector terminals 1 and
2 for short circuit to one another according to
wiring diagram.
Specification:
If the voltage was approx. battery positive voltage
(B+):
- Check wire at 3-pin connector terminal 1 for
short circuit to B+ according to wiring diagram.
Page 57 of 94
24-51
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6/12/2004