Volkswagen Passat 1995 Official Factory Repair Manual page 1839

VAG 1551 Scan Tool (ST), connecting and selecting 'CARB/OBD II' address word 33
Mode 45 Test ID 8 Module 10
B1-S1 0.598V x.xxV
Mode 45 Test ID 9 Module 10
B1-S1 0.04s x.xxs
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.01.3
1.078V
1.20s
- Press
button.
Display will appear as shown: Test ID 08
Maximum test voltage
If the actual value is above 1.078 volts, there is a
short circuit to positive (B+)in the wire to HO2S
If the actual value is below 0.598 volts, the
malfunction could be a HO2S not reaching proper
operating temperature, faulty O2S heating or an
open circuit in the HO2S wiring.
- Press
button.
Display will appear as shown: Test ID 09
The display shows the time between the threshold
voltages
If the actual value is below the minimum time of
0.04 seconds, there is a short circuit
If the actual value exceeds the maximum time of
1.20 seconds, the malfunction could be due to an
aged, lazy or contaminated oxygen sensor.
- Press -C- button to exit the program sequence.
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12/6/2004