Serial Data Link Circuit Check - Suzuki SX4 Service Manual

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4E-17 ABS:
Step
5
CAN communication line circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check for proper connection to CAN communication line
wire.
4) If OK then check CAN communication line circuit
between control modules for open, short and high
resistance.
Is each CAN communication line circuit in good condition?

Serial Data Link Circuit Check

Wiring Diagram
[A]
Action
WHT/RED
WHT/BLU
3
4
WHT
GRN
5
G241-31
6
7
2
8
G241-16
1
G241-7
9
G241-10
10
G04-4
RED
9
G04-2
WHT
E04-1
RED
E04-2
WHT
G04-1
WHT
G04-3
RED
[E]
G241
1
2
3
4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20 2122 23 24 25 26 27 28 29 30 3132
Substitute a known-
good combination meter
and recheck. If EBD
warning light remains
OFF, substitute a
known-good BCM and/
or ABS hydraulic unit /
control module
assembly and recheck.
E08-25
E08-24
GRN/ORN
E08-9
RED/BLK
BLK
E08-23
BLK
13
RED
WHT
RED
E08-2
WHT
E08-13
+BB
11
G
B
G1
14
BLU
E08-16
[D]
11
10
9
8
7
22
21
20
19
18
Yes
Repair CAN
communication line
circuit.
12
[C]
E08
12V
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20
10
21
11
22
23
9
24
25
26
12V
E04
G04
6
5
4
3
2
1
7
6
5
4
14
13
12
11
10
17
16
15
14
13
12
No
S7RW0A4504011
3
2
1
9
8
I6RW0D450008-01

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