6-1-110 ENGINE (H25 ENGINE)
DTC P0505 IDLE AIR CONTROL SYSTEM MALFUNCTION
SYSTEM/WIRING DIAGRAM
TERMINAL ARRANGEMENT OF ECM (PCM) COUPLER (VIEWED FROM HARNESS SIDE)
COLD HOT
1. IAC valve
2. Fast idle control system
3. Bypass air
4. Engine coolant
5. Main relay