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P0141

Wiring Diagram:






CIRCUIT DESCRIPTION
Refer to Heater Operation of HO2S-2.

Detecting Condition / Possible Cause:






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):