P0138

DTC P0137/P0138

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 P0037 or P0038 is not detected.

1. Warm up engine to normal operating temperature.
2. Run engine at idle speed for 5 min.

DTC Troubleshooting

Step 1-3:

Step 4-6: