Engine General Information and Diagnosis: 1A-146
DTC P0480: Fan 1 (Radiator Cooling Fan) Control Circuit
S5JB0A1104048
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Turn OFF ignition switch.
2) Clear DTC with ignition switch turned ON.
3) Run engine at idle speed.
4) Check DTC.
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
5V
RED/BLK
E23-46
E23-47
BLU/RED
BLU/YEL
BLU/BLK
E23-48
PPL/YEL
GRY/GRN
C37-24
C37-57
1
2
10
3
4
8
5
9
BLK
RED
YEL/GRN
C37-15
C37-29
C37-48
BLK/ORN
C37-58
C37-30 BLK/ORN
BLK/YEL
BLK/YEL
BLK/YEL
RED/YEL
BLK
BLU
BLU
YEL/GRN
BLU/WHT
YEL/GRN
6
7
I5JB0A110056-01
1. Fuse box No.2
5. Radiator cooling fan relay No. 3
9. ECT sensor
2. Ignition switch
6. Radiator cooling fan motor No.1
10
.
“IG2 SIG” fuse
3. Radiator cooling fan relay No. 1
7. Radiator cooling fan motor No.2
4. Radiator cooling fan relay No. 2
8. ECM
DTC detecting condition
Trouble area
Monitor signal of radiator cooling fan relay is different from
command signal.
(1 driving cycle detection logic)
• Radiator cooling fan relay circuit malfunction
• Radiator cooling fan relay malfunction
• ECM malfunction
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