Volkswagen Passat 1995 Official Factory Repair Manual page 1785

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
System in Basic Setting
1 2 3 4
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Work step: 10
Diagnosis: Oxygen Sensor (O2S) adaptation in
idle range
Test conditions
Engine coolant temperature min. 60 C
(140 F) ( display group 001, display field
2)
Intake air temperature max. 80 C (176 F) (
display group 003, display field 4)
Indicated on display (1-4 = display fields)
- Run engine at idle speed and check
specifications after 40 seconds.
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12/6/2004