Volkswagen Passat 1995 Official Factory Repair Manual page 2083

Engine components,checking
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.24.2
Test sequence
- Disconnect 4-pin harness connector (black) to
Heated Oxygen Sensor (HO2S) -G39- (item no. 1).
- Check resistance for sensor heater at connector to
oxygen sensor terminal 1 + 2.
Specified value: 1.0 to 24.2
temperature)
If specified value is not 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
Page 2 of 59
(at room
Page 24-9
, Diagnostic mode 4:
Page ST-50 .
24-28
,
12/6/2004