2000 Porsche Boxster (986) F6-2.7L A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 502

Part 2

NOTE: Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.

Oxygen Sensor Heating Ahead of TWC, Bank 1 - Above Limit

P1115

13 Oxygen Sensor Ahead of TWC, Bank 1 - Signal Implausible

Diagnosis conditions

- Mass air flow above 32 kg/h

- No other oxygen sensor faults

- Battery voltage between 9.5 V and 16 V

Possible fault cause

- Open circuit

- Oxygen sensor heating faulty

- DME control module

Affected terminals

II/19

Diagnosis/Troubleshooting

NOTE: Do not use contact spray on the connectors to oxygen sensor.