Service & Repair Manual

24-124
- Check the following wire connection for open circuit:
Oxygen Sensor (O2S) heater -Z19- bank 1 before catalytic converter:
Harness connector
Terminal
VAG1598/31 test box
Socket
2 5
Oxygen Sensor (O2S) heater -Z28- bank 2 before catalytic converter:
Harness connector
Terminal
VAG1598/31 test box
Socket
2 4
Oxygen Sensor (O2S) heater -Z29- bank 1 behind catalytic converter:
Harness connector
Terminal
VAG1598/31 test box
Socket
2 63
Oxygen Sensor (O2S) heater -Z30- bank 2 behind catalytic converter:
Harness connector
Terminal
VAG1598/31 test box
Socket
2 6
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