P0057

P0037, P0038, P0057, P0058 HO2S2 HEATER

Description

SYSTEM DESCRIPTION

The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed, amount of intake air and engine coolant temperature.

OPERATION

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

Step 1-2:

Step 2 (Continued):

Diagnosis Procedure

Step 1-5:

Step 5 (Continued)-7:

Component Inspection