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Table B-7 Radiator Fan Control System Check
1
80A
30A
C64
7
6
5
4
3
17
16
15
14
13
12
11
27
26
25
24
23
22
21
34
33
32
31
1. Relay/fuse box
2. Main relay
3. Radiator fan relay
4. Radiator fan motor
TROUBLESHOOTING
Step
1
DTC Check
Is there DTC(s) ETC sensor circuit (DTC
P0117/P0118) and/or radiator fan circuit (DTC
P0480) displayed?
2
Radiator Fan Motor Check
1) Disconnect negative cable at battery.
2) Disconnect connector from ECT sensor.
3) Connect negative cable to battery.
Does radiator fan motor rotate at ignition switch
turned ON?
BLU/WHT
BLK/RED
BLU/WHT
2
BLK/YEL
20A
15A
C63
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
5. A/C condenser fan relay No.1
6. A/C condenser fan relay No.2
7. A/C condenser fan motor
8. A/C compressor relay
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-183
3
4
BLU/RED
BLK
5
BLU
6
7
BLK
8
BLK/YEL
GRN
9
10
ORN
G91
2
1
6
5
4
3
2
10
9
8
16
15
14
13
12
11
10
9
22
21
20
27
26
25
24
23
22
21
20
19
30
29
28
35
34
33
32
31
30
9. A/C compressor
10. ECT sensor
11. ECM
Yes
Go to corresponding DTC
diag. flow table.
System is in good condi-
tion.
11
BRN
G91-4
C64-12
PNK
GRN/YEL
C64-5
PNK/BLK
C64-11
C64-15
BRN/WHT
BLK/RED
G91-5/6
LT GRN
C63-16
C63-28
1
7
8
18
17
29
28
Go to Step 2.
Go to Step 3.
No
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