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6-30 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M15 ENGINE)
DTC P0480 Fan 1 (Radiator Cooling Fan) Control Circuit
Wiring Diagram
1
80A
C64
7
6
5
4
17
16
15
14
13
12
27
26
25
24
23
22
34
33
32
1. Relay/fuse box
2. Main relay
3. Radiator fan relay
Circuit Description
Radiator fan relay is controlled by ECM if ECT is specified value.
When A/C condenser fan motor is running while head light is turned ON and engine is running at below 1500 r/
min, radiator fan relay is turned OFF for 2 sec. by ECM.
DTC DETECTING CONDITION
• Monitor signal of radiator fan relay is different from com-
mand signal.
Dtc Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool to DLC.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Warm up engine until radiator cooling fan starts to operate.
4) Check pending DTC in "ON BOARD TEST" or "PENDING DTC" mode and DTC in "DTC" mode.
BLU/WHT
BLK/RED
BLU/WHT
2
BLK/YEL
30A
20A
15A
C63
3
2
1
7
6
5
4
3
11
10
9
8
19
18
17
16
15
14
13
12
21
20
19
18
27
26
25
24
31
30
29
28
35
34
33
32
4. Radiator fan motor
5. A/C condenser fan relay No.1
6. A/C condenser fan relay No.2
3
BLU/RED
BLU/RED
BLU/RED
4
BLK BLK
5
BLU
BLK
7
8
BLK/YEL
GRN
9
10
G91
2
1
6
5
4
3
11
10
9
8
16
15
14
13
12
11
10
23
22
21
20
27
26
25
24
23
22
21
20
31
30
29
28
35
34
33
32
31
7. A/C condenser fan motor
8. A/C compressor relay
9. A/C compressor
• "BLK/WHT", "BLK/RED" or "BRN" circuit
open or short
• Radiator fan relay malfunction
• ECM malfunction
11
BRN
G91-4
PNK
C64-12
6
GRN/YEL
C64-5
PNK/BLK
C64-11
C64-15
BRN/WHT
BLK/RED
G91-5/6
LT GRN
C63-16
ORN
C63-28
2
1
9
8
7
19
18
17
30
29
28
10. ECT sensor
11. ECM
TROUBLE AREA
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