2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 727
- mechanical Vacuum pump
- Leakage diagnosis pump
- Intake pipe switchover
- Exhaust flap (if present)
P2403
P2403
Diagnosis information - Control unit DME (DFI)
Leakage diagnosis pump Reed switch
Diagnostic conditions
- Short test Tank tightness perform
or:
- Driving > 150 Second(s), at:
- Engine start temperature 5 ... 50 锟斤拷C (锟斤拷F)
- Period since engine was started 5 Second(s) ... 20 Minute(s)
- Ambient pressure > 730 hPa (= Location below approx. 2,400 ... 2700 mm)
-->See Actual value >A060 Ambient pressure from DME (measured)<
- Height difference < 20 mm
- Intake air temperature > 5 锟斤拷C (锟斤拷F)
- Intake air temperature: fluctuation(s) < 10 锟斤拷C (锟斤拷F)
- Vehicle speed 0 ... 120 km/h
- Acceleration / Deceleration max. -2 m/s?... +2 m/s? - high component Partial load
Possible fault causes
- Vacuum system leaks (See [Information])
- Vacuum pump Faulty
- Open circuit/short circuit to B+ (Signal lead)
- Leakage diagnosis pump Faulty (Reed switch)
Fault setting condition(s)
- Signal Reed switch missing
INFORMATION
The system includes:
- mechanical Vacuum pump
- Leakage diagnosis pump
- Intake pipe switchover
- Exhaust flap (if present)
P2404
P2404
Diagnosis information - Control unit DME (DFI)
Leakage diagnosis pump Reed switch
Diagnostic conditions
- Short test Tank tightness perform
or:
- Driving > 150 Second(s), at:
- Engine start temperature 5 ... 50 锟斤拷C (锟斤拷F)
- Period since engine was started 5 Second(s) ... 20 Minute(s)
- Ambient pressure > 730 hPa (= Location below approx. 2,400 ... 2700 mm)
-->See Actual value >A060 Ambient pressure from DME (measured)<
- Height difference < 20 mm
- Intake air temperature > 5 锟斤拷C (锟斤拷F)
- Intake air temperature: fluctuation(s) < 10 锟斤拷C (锟斤拷F)
- Vehicle speed 0 ... 120 km/h
- Acceleration / Deceleration max. -2 m/s?... +2 m/s? - high component Partial load
