P0403

DTC P0403: Exhaust Gas Recirculation (EGR) Control Circuit

Wiring Diagram:

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.

NOTE:
Make sure that the following conditions are satisfied when using this "DTC Confirmation Procedure".
- Intake air temperature: -14 °C (7 °F) or higher

1. With ignition switch 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. Run engine at 2000 rpm and increase engine speed to 5000 rpm and then decrease it to 2000 rpm noting in order not to close throttle valve.
5. Repeat step 4. 10 to 20 times.
6. Stop vehicle and check DTC and pending DTC.

Step 1 - 3:

DTC Troubleshooting