P0160

G3/5 (Left O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0160)


Possible cause:

- G3/5 (Left O2 sensor, after TWC [KAT])
- Z7/36 (Circuit 87 M2e connector sleeve)
- K40/4f44 (Fuse 44)
- K40/4kK (Engine electronics and chassis relay)
Affected functions:

- Engine diagnosis
- Exhaust system

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Test 1: Arrangement of fuses

Test 2: Check component G3/5 (Left O2 sensor, after TWC [KAT]).

Test 3: Power supply

1. Arrangement of fuses
End of test

2. Check component G3/5 (Left O2 sensor, after TWC [KAT]).
Warning!Communication with ECU required.


3. Power supply
Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy

- Check voltage supply according to wiring diagram.