Volkswagen Passat 1995 Official Factory Repair Manual page 2144

Function tests
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.24.3
If specified value is not obtained:
- Test oxygen sensor wires
If specified value is obtained:
- Replace Heated Oxygen Sensor (HO2S) 1 Bank
1 -G39- before catalytic converter
item 6 .
- Erase DTC memory of Engine Control Module
(ECM) Page ST-25
Reset/erase diagnostic data.
- Generate readiness code
Checking oxygen sensor wires
- Connect test box to control module wiring
harness Page ST-10
wiring test.
- Check wires between test box and 4-pin connector
to Engine Control Module (ECM) for open circuit
according to wiring diagram.
Terminal 3 + socket 42
Terminal 4 + socket 20
Wire resistance: max. 1.5
Page 4 of 10
Page 24-89 .
Page 24-9
, Diagnostic mode 4:
Page ST-50 .
, connect test box for
24-89
,
12/6/2004