LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2008 >> Outback Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Diagnostic Method >> Judgment Value

Judgment Value

MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE

Malfunction Criteria Threshold Value
Σ |(ro2sadn - ro2sadnn-1 )| / Σ |(sglmdn - sglmdn-1 )| > 18.5 (except for U5 model) > 15.4 (U5 model)

Time Needed for Diagnosis:  30 - 55 seconds

Malfunction Indicator Light Illumination:  illuminates when malfunction occurs in 2 continuous driving cycles.