Volkswagen Passat 1995 Official Factory Repair Manual page 1343

Function tests
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If specified value is not obtained:
- Test oxygen sensor wires
If specified value is obtained:
- Replace Bank 1 Heated Oxygen Sensor (HO2S)
-G39- Page 26-4
- Erase DTC memory of Engine Control Module
(ECM) Page ST-26
Reset/erase diagnostic data.
- Generate readiness code
Page 4 of 13
Page 24-91
, item 7 .
, Diagnostic mode 4:
Page ST-52
24-90
.
.
6/12/2004