Volkswagen Passat 1995 Official Factory Repair Manual page 1651

Electrical wiring and component checks
Measuring range: Voltage measurement-V- selected.
Test Item checked
step
Heated Oxygen
sensor relay
(J278)
3)
MIL lamp
1)
Observe notes
2)
Connector pin assignment
3)
Only on vehicles with MIL lamp in instrument panel
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Test conditions
- additional work
Ignition switched on
- Separate connector to Oxygen
sensor and connect multimeter to
terminals 1 + 2 of connector
- Bridge sockets 1 + 6 of Test
Box
- Bridge sockets 9 + 55 of Test
Box
Ignition switched on
Page 01-41
Page 01-54
Test Box
sockets
- Bridge 1
+ 28
2)
Bridge 5 +
, Fig. 4
Page 4 of 16
Specifications
1)
Approx. battery
voltage
MIL lamp must
10 light up
6/12/2004
01-44