P0030

Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Open circuit (P0030)


Possible cause:

- G3/4 (Right O2 sensor, before TWC [KAT])
- Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Affected functions:

- Engine diagnosis
- Exhaust system

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Test 1: Power supply

Test 2: Check component G3/4 (Right O2 sensor, before TWC [KAT]).

Test 3: Check component G3/4 (Right O2 sensor, before TWC [KAT]).

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

- Check voltage supply according to wiring diagram.


2. Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Warning!Communication with ECU required.


3. Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Warning!Communication with ECU required.