Suzuki Wagon R Plus RB413 - DTC P0505 Idle Air Control System

6-2-134 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
DTC P0505 Idle Air Control System
System/Wiring Diagram
DTC Detecting Condition and Trouble Area (DTC P0505)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and warm up to normal operating temperature (80°C – 110°C, 176°F – 230°F).
4) Run engine at idle speed (600 – 1000 r/min.) for 1 min. or more.
5) Check DTC and pending DTC.
1. IAC valve 4. “IG COIL” fuse
2. ECM 5. Ignition switch
3. Main relay 6. Relay box
E23-15
E21-28
12V
5V
E21-6
E21-5
BLK/WHT
BLK/RED
BLK/RED
BLK/RED
WHT/BLU
80A
60A 20A
BLK/YEL BLK/YEL
BLK/YEL
BLU/BLK
BLU/BLK
E22-1
E23-2
BLK/YEL
BLK/YEL
BLK
E23-1
E23 E22 E21
12345671234561234567
7
891011121314151617 8910111213141516 891011121314151617
1819
1819
1718192021222324252627 20212223 202122232425 24252627 2627
2829303132 32 282930 28293031 3133 33 323334 3435 3435
E23-8
BLK/RED
BLK/RED
BLK
GRN/YEL
6
5
4
3
1
2
DTC Detecting Condition Trouble Area
IAC valve signal voltage is out of specification for specified time
continuously.
(2 driving cycle detection logic)
• Idle air control valve or its circuit
• ECM
NOTE:
Check to make sure that the following conditions are satisfied when using this DTC CONFIRMATION
PROCEDURE.
Electric load (lighting, heater blower, rear defogger, etc.) and A/C are turned OFF.