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Home >> Subaru >> 2013 >> Tribeca >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code Detecting Criteria >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0400 Exhaust Gas RECIRCULATION Flow >> Enable Condition >> Enable Condition
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Enable Condition

ENABLE CONDITION

Secondary Parameters Enable Conditions
Elapsed time after starting the engine ≥ 40 s
Engine coolant temperature ≥ 75 °C(167 °F)
Engine speed 1200 rpm - 3250 rpm
Intake manifold pressure (absolute pressure) < 46.7 kPa (350 mmHg, 13.8 inHg)
Ambient air temperature ≥ 5 °C(41 °F)
Throttle position < 0.25 °
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Vehicle speed ≥53 km/h (32.9 MPH)
Fuel shut-off function In operation
Neutral switch OFF
Elapsed time after neutral switch ON/OFF change ≥ Value from Map
No load change (A/C, power steering, lighting, rear defogger, heater fan and radiator fan) ≥ 5000 ms