Dtc P0505 Idle Air Control System Malfunction - Suzuki GRAND VITARA XL-7 Owner's Manual

6-1-108 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE)

DTC P0505 Idle Air Control System Malfunction

SYSTEM/WIRING DIAGRAM
1. Throttle body
2. Idle air control valve
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
• Engine idle speed is 100 r/min. or more lower than target idle
speed for longer than 20 sec. continuously.
or
• Engine idle speed is 200 r/min or more higher than target
idle speed for longer than 20 sec. continuously.
(2 driving cycle detection logic)
3. ECM (PCM) 5. FIA valve
4. Sensed information 6. Main fuse
7. Main relay
TROUBLE AREA
• IAC valve or its circuit
• Abnormal air drawn in air intake system
• FIA (fast idle air) valve