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Electric Load Signal Circuit Check
Wiring Diagram
GRN
YEL
6
BLK/YEL
WHT
/BLU
WHT
BLU
3
4
5
2
1
15
14
30
29
44
45
60
59
[A]: Manual A/C model
[B]: Auto A/C model
1. Main fuse
2. Individual circuit fuse box No.1
3. "IG ACC" fuse
4. "FI" fuse
5. "HTR FAN" fuse
Troubleshooting
NOTE
When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the special
tool to ECM and/or the ECM connectors referring to "Inspection of ECM and Its Circuits".
Step
1
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch and check DTC.
Is there any DTS(s) related to CAN?
7
8
9
BLK/YEL
BLK/YEL
12
[A]
BLK/YEL
BLK
13
[B]
BLK/WHT
17
16
E23
13
12
11
10
9
8
7
6
5
4
28
27
26
25
24
23
22
21
20
19
18
43
42
41
40
39 38
37
36
35
34
33
58
57
56
55
54 53
52
51
50
49
48
6. Ignition switch
7. Junction block assembly
8. "IG COIL" fuse
9. "IG2 SIG" fuse
10. ECM
11. Main relay
12. Blower motor relay
Action
Engine General Information and Diagnosis:
BLK/WHT
11
BRN/WHT
BLK/RED
BLK/RED
BLU/WHT
14
BLK
15
RED
WHT
RED
18
WHT
3
2
1
15
14
13
12
11
10
28
27
26
25
24
17
16
30
29
44
32 31
45
43
42
41
40
39 38
47 46
60
59
58
57
56
55
54 53
13. Blower motor
14. HVAC control module
15. Blower speed selector
16. Electric load (rear defogger signal and headlight signal), etc.
17. BCM
18. ABS/ESP® control module
Go to applicable DTC
diag. flow.
10
E23-29
C37-58
BLK/ORN
C37-15
BLK
C37-30
BLK
E23-31
BLK
E23-60
12V 5V
E23-1
E23-16
E23-9
E23-3
E23-18
C37
9
8
7
6
5
4
3
2
1
23
22
21
20
19
18
16
17
32 31
37
36
35
34
33
52
51
50
49
48
47 46
Yes
Go to Step 2.
1A-209
S7RS0B1104085
I7RS0B110016-01
No
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