DTC P0400 Exhaust Gas RECIRCULATION Flow: Wiring Diagram

WARNING: This page is about a different variant/trim than selected.

Fig 1: EGR Valve - Wiring Diagram

G06648077

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK CURRENT DATA. Start the engine. Read data of intake manifold absolute pressure signal using Subaru Select Monitor or general scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". Ref. to SUBARU SELECT MONITOR . General scan tool For detailed operation procedures, refer to the general scan tool operation manual.	Is the measured value 53.3 kPa (400 mmHg, 15.75 inHg) or more?	Make sure that the EGR valve, manifold absolute pressure sensor and throttle body are installed securely.	Go to step 2.
2 CHECK EGR VALVE. Remove the EGR valve.	Are there any holes, clogged lines or foreign matters in the EGR system?	Repair the EGR system.	Replace the EGR valve. Ref. to EGR VALVE .