0442
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to ground (P0031)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT])
Affected functions:
- Engine diagnosis
- Exhaust system
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Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Warning!Communication with ECU required.
0443
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Open circuit (P0030)
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]).
Test 4: 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
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.
4. No further information available.
0445
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to positive (P0052)
