Dtc U1100 (No. 1100): Lost Communication With Ecm - Suzuki GRAND VITARA Owner's Manual

DTC U1100 (No. 1100): Lost Communication with ECM

Wiring Diagram
G31-4
G31-2
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
37 36
[B]
15 14 13 12 11 10 9
28 27 26 25 24
30 29
45 44 43 42 41 40 3938
57 56 55 5453
60 59 58
[C]
E92
6 5
4 3
16 15 14 13 12 11
24 23 22 21
[A]: Keyless start control module connector (viewed from harness side)
[B]: ECM connector (viewed from harness side)
[C]: TCM connector (viewed from harness side)
[D]: DLC (viewed from harness side)
[E]: ABS hydraulic unit/control module connector (viewed from harness side)
[F]: Combination meter connector (viewed from harness side)
[G]: 4WD control module connector (viewed from harness side)
[H]: BCM connector (viewed from harness side)
5
WHT
RED
RED
WHT
RED
WHT
9
RED
WHT
RED
WHT
G44
15 14 11 10 9 8 7 6
34 33 32 30 29
E23
8 7 6 5 4 3 2 1
23 22 21 20 19 18
17 16
37 36 35 34 33 32 31
52 51 50 49
48 47 46
2 1
10 9 8 7
20 19 18 17
Body Electrical Control System:
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
5 4 3 2 1
24 23
[G]
12 11 10
26 25 21
[H]
20 19 18 17 16 15 14 13 12 11
40 39 38 37 36 35 34
[D]
16 15 14 13 12 11
8 7 6 5 4 3 2 1
[E]
E03
14 1
6
15 2
16 3
17 4
18 5
19 6
20 7
7
21 8
22 9
23
10
24
11
25 12
26 13
8
[F]
G28
10 9 8 7 6 5 4 3
2221201918 17 1615141312
E91
3 2
6 5
20 19 18 17 16 15 14 13
G31
10 9 8 7 4 3 2
28 27 26 25 24 23 22
1. Keyless start control module
2. TCM (A/T model)
3. 4WD control module (if equipped)
4. BCM
5. DLC
6. ECM
7. ABS hydraulic unit/control module
8. Combination meter
9. Junction connector
10B-23
S5JB0AA204015
10 9
2 1
11
1
1
21
I5JB0AA50017-03