1A-116 Engine General Information and Diagnosis:
DTC P0401 / P0402: Exhaust Gas Recirculation Flow Insufficient Detected / Excessive Detected
S7RS0B1104044
System and Wiring Diagram
I6RS0C110019-02
1. EGR valve 5. Fresh air 9. Ignition switch
2. Intake manifold 6. Exhaust gas 10. Main relay
3. ECM 7. “IG COIL” fuse 11. “FI” fuse
4. Sensed information 8. Main fuse box 12. “IG ACC” fuse