FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Using OBD-II Scantool





Detecting Condition and Trouble Area





Wiring Diagram



































Inspection Procedure

HINT: If DTC P0441, P0446 or P0450 is output after DTC P0440, first troubleshoot DTC P0441, P0446 or P0450. If no malfunction is detected, troubleshoot DTC P0440 next.