Volkswagen Passat 1995 Official Factory Repair Manual page 2119

Engine components,checking
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- Check wires between test box and 3-pin connector
to Engine Control Module (ECM) for open circuit
according to wiring diagram.
Terminal 1 + socket 67
Terminal 2 + socket 68
Terminal 3 + socket 56
Wire resistance: max. 1.5
- Check wires for short circuit to each other, to
vehicle Ground (GND) and to B+.
Specified value:
If no malfunctions are found in wires:
- Remove sensor and check sensor wheel for
secure fit, damage, and run-out.
Note:
There is a larger-sized gap on the sensor wheel. This
gap is the reference mark and does not mean that the
sensor wheel is damaged.
If nothing seems to be wrong with the sensor wheel:
- Replace Motronic Engine Control Module (ECM) -
J220- Page 24-101
Page 38 of 59
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24-64
12/6/2004