P0403

DTC P0403: Exhaust Gas Recirculation Control Circuit

Wiring Diagram:

Wiring Diagram

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure

WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1. With ignition switch turned OFF, connect scan tool to DLC.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Start engine and warm it up to normal operating temperature.
4. Drive vehicle in 2000 - 3500 rpm of engine speed for 10 minutes or more.
5. Keep the vehicle speed for 10 min. (Throttle valve opening is kept constant in this step.)
6. Stop vehicle and check DTC and pending DTC.

DTC Troubleshooting