Dtc U1121: Lost Communication With Abs Hydraulic Unit / Control Module - Suzuki GRAND VITARA Owner's Manual
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DTC U1121: Lost Communication with ABS Hydraulic Unit / Control Module
Wiring Diagram
G31-2
G31-4
G31-1
1
G31-3
E91-22
E91-23
2
E92-17
E92-7
3
G44-19
G44-18
4
[A]
20
19
18
16
15
14
37
36
34 33 32 31 30 29
[B]
E23
15
14
13
12
11
10
9
8
7
6
5
29
28
27
26
25
24
23
22
21
20
19
30
45
44
43
42
41
40
3938
37
36
35
34
57
56
55
5453
52
51
50
49
60
59
58
[C]
E92
6
5
2
1
4 3
16 15 14 13 12 11
10 9
8
24 23
22
21
20
19
18 17
[A]: Keyless start control module connector (if equipped) (viewed from harness side)
[B]: ECM connector (viewed from harness side)
[C]: TCM connector (for A/T model) (viewed from harness side)
[D]: ABS hydraulic unit/control module connector (viewed from terminal side)
[E]: Combination meter connector (viewed from harness side)
[F]: 4WD control module connector (viewed from harness side)
[G]: BCM connector (viewed from harness side)
[H]: DLC (viewed from harness side)
RED
WHT
RED
WHT
RED
WHT
RED
WHT
RED
WHT
G44
11
10
9
8
7
6
5
4
3
24 23
C37
4
3
2 1
15
14
13
12
11
10
9
8
18
28
27
26
25
24
23
17
16
30
29
33
32 31
45
44
43
42
41
40
3938
48
47 46
60
59
58
57
56
55
5453
E93
6
5
4
3
2
17 16
15 14
13 12
11 10 9
7
26 25
21 20 19
24
23 22
8
WHT/RED E23-4
WHT/BLU
E23-19
WHT/BLU
E03-8
E03-10
WHT/RED
RED E03-12
WHT
E03-6
RED
G28-10
WHT
G28-8
[E]
10
9
8
2
1
2221201918
[F]
7
6
5
4
3
2
1
22
21
20
19
18
16
17
12
37
36
35
34
33
32 31
26
52
51
50
49
48
47 46
[G]
20
19
18 17
16
15
40
39 38
37
36
35
1
8 7
18
[H]
16
15
14
8
7
6
[D]
5
6
7
G28
7
6
5
4
3
2
1
17
1615141312
11
E91
11
10
9
8
7
6
5
4
25
24
23
22
21
20
19
18
G31
14
13 12
11
10
9
8
7
34
28 27
26
25
1. BCM
2. 4WD control module
3. TCM (for A/T model)
4. Keyless start control module (if equipped)
5. ECM
6. ABS hydraulic unit / control module
7. Combination meter
8. DLC
S5JB0A3314055
13
12
11
10
9
5 4
3
2
1
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
3
2
1
17
16
15
14
13
4
3
2
1
24 23
22
21
I5JB0A332021-01
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