P0131

DTC P0131/P0132/P0134/P2237

DTC Detecting Condition and Trouble Area






Circuit Diagram

Circuit Diagram:

DTC Confirmation Procedure

NOTE:
- Be sure to troubleshoot first unexpected DTCs previously detected in "DTC Confirmation Procedure".
- Confirm that the following conditions are met in this "DTC Confirmation Procedure".
- DTC P0031, P0032 or P0134 is not detected (for DTC P0131, P0132 or P2237).
- DTC P0031 or P0032 is not detected (for DTC P0134).

1. Warm up engine to normal operating temperature.
2. Run engine at idle speed for 1 min.

DTC Troubleshooting

Step 1-4: