Operation CHARM: Car repair manuals for everyone.

Except U5/Low Emissions Models

DTC P0031 - HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1)

DTC DETECTING CONDITION
Two consecutive driving cycles with malfunction

CAUTION: After repair or replacement of malfunctioning parts, conduct Clear Memory Mode and Inspection Mode.

Wiring Diagram:






Step 1:




Step 2 - 6:




Step 7: