Suzuki GRAND VITARA JB416, Service Manual

Page: 286 / 474

4F-23 Electronic Stability Program:
Serial Data Link Circuit Check
S5JB0E4604012
Wiring Diagram
Inspection
6 1) Check CAN communication circuit between combination
meter and ESP
®
control module referring to “DTC
U1073: Control Module Communication Bus Off: ”.
Is CAN communication circuit in good condition?
Substitute a known-
good combination meter
and recheck. If ABS
warning lamp remains
ON, substitute a known-
good ESP
®
hydraulic
unit / control module
assembly and recheck.
Repair or replace.
Step Action Yes No
3
4
2
1
12V
12V
E53-32
E53-1
E53-35 GRN/ORN
PPL/RED
BLK/YEL
WHT/GRN
WHT/RED
WHT/BLU
E53-16
E53-47
BLK
BLK
BLK
RED
WHT
RED
WHT
E53-13
E53-44
PPL/WHT
12V
+BB
E53-33
[A]
11
12
10
9
G
G1
5
7
6 13
E53
16
1
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
8
8
I6JB01460014-01
[A]: ESP
®
control module connector (viewed from terminal side) 5. Combination meter 10. To ECM, TCM, BCM, SDM and 4WD control module
1. Battery 6. ESP
®
warning lamp 11. Junction connector
2. Main fuse box 7. Lamp driver module 12. To TCM, BCM, 4WD control module, keyless start
control module and steering angle sensor
3. Ignition switch 8. CAN driver 13. ESP
®
hydraulic unit / control module assembly
4. Junction block assembly 9. Data link connector (DLC)
Step Action Yes No
1 1) Turn ignition switch to ON position.
Does ESP
®
warning lamp come ON?
Go to Step 2. Go to Step 6.
2 1) Turn ignition switch to OFF position.
Are main fuses for ABS pump motor and ABS solenoid in
good condition?
Go to Step 3. Replace fuse and check
for short.
3 1) Disconnect ESP
®
control module connector.
2) Check for proper connection to ESP
®
control module
connector at terminal “E53-35”.
3) If OK then turn ignition switch to ON position and
measure voltage between terminal “E53-35” and vehicle
body ground.
Is it 10 – 14 V?
Go to Step 4. “GRN/ORN” wire circuit
open.