Signal implausible
Diagnostic conditions
- Exhaust temperature between 300°C and 600°C
- Battery positive voltage between 10 V and 16 V
Possible cause of fault
- Corrosion in connector
- Oxygen sensor faulty
Affected terminals
DME control module connector II, pin 7 and oxygen sensor jack, bank 1, pin 2
Diagnosis/troubleshooting
NOTE:
- Do not use contact spray on the oxygen sensor plug connections as this may cause irreparable damage to the wiring (contamination of the oxygen sensor via the reference air channel).