Volkswagen Passat 1995 Official Factory Repair Manual page 1755

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Diagnostic Trouble
Code (DTC)
SAE VAG
P0135 16519
P0137 16521
P0138 16522
P0140 16524
P0141 16525
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
Malfunction text
O Sensor Heater Circuit
2
Malfunction (Bank 1, Sensor 1)
O Sensor Circuit Low Voltage
2
(Bank 1, Sensor 2)
O Sensor Circuit High Voltage
2
(Bank 1, Sensor 2)
O Sensor Circuit No Activity
2
Detected (Bank 1, Sensor 2)
O Sensor Heater Circuit
2
Malfunction (Bank 1, Sensor 2)
Malfunction elimination
- Check O2S heating (before three way
catalytic converter)
- Check HO2S and O2S control (after
three way catalytic converter)
24-42
- Check O2S heating (after three way
catalytic converter)
Page 10 of 77
01-16
Page 24-35
Page
Page 24-49
12/6/2004