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DTC No. 31: Lost Communication with BCM
Wiring Diagram
5
RED
G28-7
WHT
G28-9
G28-8
RED
WHT
G28-10
[A]
E23
15
14
13
12
11
10
9
8
7
6
5
28
27
26
25
24
23
22
21
20
30
29
45
44
43
42
41
40
3938
37
36
35
57
56
55
5453
52
51
50
60
59
58
[B]
20
19
18
16
15
14
37
36
34 33 32 31 30 29
[A]: ECM connector (viewed from harness side)
[B]: Keyless start control module connector (viewed from harness side)
[C]: BCM connector (viewed from harness side)
[D]: TCM connector (A/T model) (viewed from harness side)
[E]: Combination meter connector (viewed from harness side)
[F]: ABS control module connector (viewed from terminal side)
DTC Detecting condition and trouble area
DTC detecting condition
Keyless start control module cannot receive data sent by
CAN from BCM
DTC Confirmation Procedure
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition key knob by pushing ignition key knob.
3) Check DTC referring to "DTC Check".
3
3
RED
RED
G42-19
G42-19
G42-18
G42-18
WHT
WHT
4
RED
G37-4
WHT
G37-2
C37
4
3
2 1
15
14
13
12
11
10
9
8
19
18
28
27
26
25
24
23
17
16
30
29
34
33
32 31
45
44
43
42
41
40
3938
49
48
47 46
60
59
58
57
56
55
5453
G42
11
10
9
8
7
6
5
4
3
24 23
2
C34-17
RED
RED
C34-7
WHT
WHT
RED
WHT
RED
WHT
E46-1
RED
RED
E46-2
WHT
WHT
[C]
7
6
5
7
6
5
4
3
2
1
22
21
20
19
18
14
13
12
17
16
37
36
35
34
33
32 31
52
51
50
49
48
47 46
[D]
6
5
1615141312 11
2
1
2423
22
[E]
16
15
14
32
31
30
• CAN communication circuit
• Keyless start control module
• Combination meter
• BCM
Keyless Start System:
6
C37-13
C37-12
E23-3
E23-18
1
E03-10
E03-8
E03-12
E03-6
E46
G37
4
3
2
1
7
6
11
10
9
8
11
10
9
8
22
21
20
19
18
17
C34
C35
6
5
4
4 3
2
1
10 9 8 7
1716
15 14
1312
2625
24
2322
21
20
19
1817
G28
13
12
11
10
9
8
7
6
5
4
3
29
28
27
26
25
24
23
22
21
20
19
1. ECM
2. TCM (A/T model)
3. Keyless start control module
4. BCM
5. Combination meter
6. ABS control module
Trouble area
10E-25
S7RS0BA504020
[F]
E03
14
1
15
2
16
3
17
4
18
5
19
6
20
7
21
8
22
9
23
10
24
11
25
12
26
13
5
4
3
2
1
16
15
14
13
12
1
3
2
1110 9
8 7
212019
18
2
1
18
17
I6RS0CA50002-01
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