LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2019 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0420: Catalyst System Efficiency Below Threshold Bank 1 >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1kPa (563mmHg, 22.2inHg)
Amount of intake air < 7.5g/s (0.26oz/s)
Accelerator pedal position While idling
Rear oxygen output voltage after fuel cut ≤0.15V
Estimated catalyst temperature ≥550°C (1022°F)
Estimated temperature of the rear oxygen sensor element ≥500°C (932°F)
(Integrated intake air amount during fuel cut Fuel shut-off function from above) > 12.95g (0.46oz) ((1))
In operation
Impedance control <82Ω
(1) 5 seconds or more of fuel cut