ENGINE (DIAGNOSTICS)(H4DOTC) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1)

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

CAUTION:

After repairing or replacing the defective part, perform the Clear Memory Mode and Inspection Mode .

WIRING DIAGRAM:

• LHD model

• RHD model

STEPCHECKYESNO

1.CHECK ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”.

NOTE:

In this case, it is not necessary to inspect DTC P0133.

2.CHECK EXHAUST SYSTEM.

NOTE:

Check the following items.

• Loose installation of front portion of exhaust pipe onto cylinder heads

• Loose connection between front exhaust pipe and front catalytic converter

• Damage of exhaust pipe resulting in a hole

Is there any fault in exhaust system?

Repair the exhaust system.

Replace the front oxygen (A/F) sensor.