Dtc P0480: Fan 1 (Radiator Cooling Fan) Control Circuit - Suzuki GRAND VITARA Owner's Manual

DTC P0480: Fan 1 (Radiator Cooling Fan) Control Circuit

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