5A-72 Automatic Transmission:
DTC P1775: High Speed CAN Communication Bus Off (Transmission Error)
S4RS0A5104054
Wiring Diagram
12
Check CAN communication line circuit power supply
short
1) Measure voltage at the following connector terminals
with ignition switch turned ON.
• Between “E23-3” terminal of ECM connector and
vehicle body ground
• Between “E23-18” terminal of ECM connector and
vehicle body ground
• Between “C37-13” terminal of ECM connector and
vehicle body ground
• Between “C37-12” terminal of ECM connector and
vehicle body ground
• Between “G37-4” terminal of BCM connector and
vehicle body ground
• Between “G37-2” terminal of BCM connector and
vehicle body ground
Is each voltage 0 – 1 V?
Substitute a known-
good BCM (included in
junction block
assembly) and recheck.
If DTC is still detected,
substitute a known-
good ECM and recheck.
Repair shorted to power
supply of CAN
communication line
circuit referring to
“Precaution for CAN
Communication
System: in Section 00”.
Step
Action
Yes
No
RED
WHT
E23-3
E23-18
RED
WHT
C37-13
C37-12
RED
WHT
RED
WHT
RED
WHT
RED
WHT
E46-1
G37-4
G28-8
G28-10
G37-2
C34-7
E46-2
C34-17
1
2
3
4
[C]
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47 46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32 31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47 46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32 31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
[A]
[B]
G37
E46
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
8
9
10
11
12
13
14
12
13
14
15
16
17
18
19
20
21
22
[D]
6
5
16 15 14 13 12 11
4 3
24 23
21
22
10 9
8 7
2
1
19
20
18 17
C34
17 16
26 25
15 14
6
5
3
4
2
13 12
23 22
24
11 10 9
21 20 19
8 7
18
1
C35
G28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
I4RS0A510018-
1. ECM
4. Combination meter
[C]: Terminal arrangement of Combination meter connector
(viewed from harness side)
2. TCM
[A]: Terminal arrangement of BCM connector (viewed from harness side)
[D]: Terminal arrangement of TCM connector (viewed from
harness side)
3. BCM
[B]: Terminal arrangement of ECM connector (viewed from harness side)
Содержание SWIFT RS415 2017
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