P0172

DTC P0171/P0172

DTC Detecting Condition and Trouble Area






Circuit Diagram

Circuit Diagram:

DTC Confirmation Procedure

WARNING:
- Perform road test in a place where there is no traffic to prevent an accident.
- Road test should be performed by two persons, a driver and a tester, on a level road.

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".
- BARO > 75 kPa (0.8 kgf/cm2�, 10.8 psi, 0.75 bar)
- DTC P0102, P0103, P0131, P0132 or P2237 is not detected.

1. Warm up engine to normal operating temperature.
2. Drive vehicle at 50 - 60 km/h (31 - 37 mile/h) for 3 min. (Keep throttle valve opening constantly in this step.)

DTC Troubleshooting

Step 1-8: