P0133

DTC P0133

DTC Detecting Condition and Trouble Area






Wiring Diagram

Refer to P0031 DTC P0031 / P0032.

DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

If DTCs other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.

1) Warm up engine to normal operating temperature.
2) Drive vehicle at 60 - 100 km/h (37 - 62 mile/h) for 6 min. (Keep throttle valve opening constantly in this step.)

DTC Troubleshooting

1.
Was "Engine and Emission Control System Check" performed?
YES -
Go to Step 2.
NO -
Go to Engine and Emission Control System Check Engine and Emission Control System Check.

2. DTC check

Is there any DTC(s) other than P0133?
YES -
Go to troubleshooting for applicable DTC.
NO -
Go to Step 3.

3. A/F sensor signal circuit check

Check A/F sensor signal circuit according to Step 3 under P0131 DTC P0131 / P0132 / P0134 / P2237.

Are they in good condition?
YES -
Go to Step 3.
NO -
Repair or replace defective wire harness.

4. DTC recheck

Replace A/F sensor. Air Fuel Ratio (A/F) Sensor Removal and Installation
Perform DTC confirmation procedure and check DTC.

Is DTC P0133 still detected?
YES -
Substitute a known-good ECM and recheck.
NO -
End.