P0141

Wiring Diagram:

Detecting Condition / Possible Cause:

CIRCUIT DESCRIPTION - Refer to operation of HO2S-2 heater.

DTC CONFIRMATION PROCEDURE
1. Turn ignition switch OFF once and then ON.
2. Clear DTC, start engine and warm up engine to normal operating temperature.
3. Keep it at 2000 r/min for 2 min.
4. Check pending DTC in "ON BOARD TEST" or "PENDING DTC" mode and DTC in "DTC" mode.

Inspection (Steps 1 - 3):