LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (2 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0420: Catalyst System Efficiency Below Threshold Bank 1 >> General Description >> Execution Condition

Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary parameters Execution condition
Battery voltage 10.9 V or more
Barometric pressure 75.1 kPa (563 mmHg, 22.2 inHg) or more
Amount of intake air Less than 8g/s (0.28 oz/s)
Accelerator pedal position While idling
Rear oxygen output voltage after fuel cut 0.15V or less
Estimated catalyst temperature 500°C (932°F) or more
Rear oxygen element impedance 185Ω or less
(Integrated intake air amount during fuel cut More than 17g (0.6 oz)
Fuel shut-off function thereafter) Other than not-inoperation
A/F element impedance 75Ω or less