Dtc p0031 a/f / o2 heater control circuit low bank 1 sensor 1
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0031 A/F / O2 HEATER CONTROL CIRCUIT LOW BANK 1 SENSOR 1DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode ...
Clear memory mode Operation
LAN SYSTEM (DIAGNOSTICS) > Clear Memory ModeOPERATION1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «All diagnosis code».On «All diagnosis code» display, selec ...
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Knock SensorREMOVAL1. Disconnect the ground cable from battery.2. Remove the clip (A), and loosen the clamps (B) and (C) securing the air intake boot.3. Remove the air intake boot from the air cleaner case (rear) and throttle body, and move the air intake boo ...