P0037

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

Step 1-2:

Step 2 (Continued):

DTC Confirmation Procedure

Diagnostic Procedure

Step 1-4:

Step 4 (Continued)-7:

Component Inspection