P0036

P0036

Diagnosis information - Control unit DME (DFI)

Final stage Oxygen sensor heater Oxygen sensor behind catalytic converter Bank 1

NOTE:
Separated plug connection = open reference-air duct.
Damage to oxygen sensor.

- DO NOT use spray, grease, fluid or similar products on the oxygen sensor plug connections.

INFORMATION
- Do not interchange the oxygen sensor in front of the catalytic converter with the sensor behind the catalytic converter as this will result in implausible fault entries.
- The plugs themselves are coded and cannot be interchanged.

Diagnostic conditions
- Engine running > 10 Second(s)
- Oxygen sensor heater Active

Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground or open circuit in the line (Power supply or Activation)
- Oxygen sensor behind catalytic converter Bank 1 Faulty