P0037

P0037, P0038, P0057, P0058 H02S2 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

Step 1-4:

Step 4 (Continued)-7:

Diagnosis Procedure

Step 1-2:

Component Inspection