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6-2-134 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
DTC P0505 Idle Air Control System
System/Wiring Diagram
5
WHT/BLU
BLK/YEL
6
80A
60A 20A
E23
7
6
5
4
3
17
16
15
14
13
12
11
27
26
25
24
23
22
21
34
33
32
31
1. IAC valve
4. "IG COIL" fuse
2. ECM
5. Ignition switch
3. Main relay
6. Relay box
DTC Detecting Condition and Trouble Area (DTC P0505)
DTC Detecting Condition
IAC valve signal voltage is out of specification for specified time
continuously.
(2 driving cycle detection logic)
DTC Confirmation Procedure
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.
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.
BLU/BLK
4
3
BLK/YEL
BLK/RED
BLK/YEL
1
BLK/RED
BLK/RED
BLK
E22
2
1
7
6
5
4
3
10
9
8
19
18
17
16
15
14
13
12
11
20
19
18
27
26
25
24
23
30
29
28
35
34
33
32
31
2
BLK/WHT
E21-28
BLU/BLK
E23-15
BLK/RED
E21-6
BLK/RED
E21-5
E23-8
GRN/YEL
E21
2
1
6
5
4
3
2
10
9
8
16
15
14
13
12
11
10
9
8
22
21
20
27
26
25
24
23
22
21
20
19
30
29
28
35
34
33
32
31
30
• Idle air control valve or its circuit
• ECM
E22-1
BLK
E23-2
BLK/YEL
E23-1
BLK/YEL
5V
12V
1
7
18
17
29
28
Trouble Area
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