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6-178 ENGINE GENERAL INFORMATION AND DIAGNOSIS
Table B-5 A/C Signal Circuits Check (Vehicle with A/C)
YEL
15
WHT/BLU
60A
80A
C64
7
6
5
4
17
16
15
14
13
12
27
26
25
24
23
22
34
33
32
1. Blower fan motor
2. Blower fan switch
3. A/C switch
4. A/C pressure switch
25A
BLU
RED
1
10A
RED/BLK
LT GRN
BLK/YEL
BLU/WHT
BLK/RED
BLU/WHT
13
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
21
20
19
18
27
26
25
24
31
30
29
28
35
34
33
32
5. A/C condenser fan relay No.1
6. A/C evaporator inlet air temp. sensor
7. A/C condenser fan relay No.2
8. A/C condenser fan motor
2
6
3
11
12
BLU/RED
BLK
5
BLU
8
BLK
9
BLK/YEL
GRN
G91
2
1
6
5
4
3
12
11
10
9
8
16
15
14
13
12
11
10
23
22
21
20
27
26
25
24
23
22
21
31
30
29
28
35
34
33
32
31
9. A/C compressor relay
10. A/C compressor
11. Radiator fan motor relay
12. Radiator fan motor
YEL
G91-13
4
YEL/GRN
G91-30
WHT/BLK
G91-15
ORN
G91-35
BRN
G91-4
C64-12
PNK
7
GRN/YEL
C64-5
PNK/BLK
C64-11
10
C64-15
BRN/WHT
BLK/RED
G91-5/6
2
1
7
9
8
20
19
18
17
30
29
28
13. Main relay
14. ECM
15. Ignition switch
14
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