LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0458 Evaporative Emission System Purge Control Valve Circuit Low >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
Duty ratio of "ON" < 0.75
Terminal output voltage Low

Time Needed for Diagnosis:  2500 ms

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

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
Terminal output voltage High

Time Needed for Diagnosis:  Less than 1 second