Serial Data Link Circuit Check - Suzuki GRAND VITARA JB416 Service Manual

4E-17 ABS:
Troubleshooting
Step
1 1) Make sure that:
• Parking brake is completely released.
• Brake fluid level is upper than the minimum level.
Are the check results OK?
2 1) Turn ignition switch to ON position.
Does "ABS" warning lamp come on steady?
3 1) CAN communication circuit between combination meter,
ABS (ESP®) control module and BCM referring to "DTC
U1073: Control Module Communication Bus Off: ".
Is CAN communication circuit in good condition?

Serial Data Link Circuit Check

WHT/GRN
2
1
+BB
G
ABS hydraulic unit / control module connector
[A]:
(viewed from terminal side)
1. Battery
2. Main fuse box
3. Ignition switch
4. Junction block assembly
Action
WHT/BLU
WHT/RED
3
BLK/YEL
5
PPL/RED
6
10
7
BLK
RED
WHT
8
9
G1
PPL/WHT
5. Combination meter
6. ABS warning lamp
7. Lamp driver module
8. Data link connector (DLC)
9. To ECM, TCM, BCM, SDM and 4WD
control module
Go to Step 2.
Perform "ABS Warning
Lamp Comes ON
Steady: " previously
outlined.
Substitute a known-
good combination meter
and recheck. If ABS
warning lamp remains
ON, substitute a known-
good ABS (ESP®)
hydraulic unit / control
module assembly and
recheck.
E03-1
12V
E03-14
12V
4
GRN/ORN E03-7
11 12
RED E03-12
WHT E03-6
12V
E03-5
BLK E03-13
BLK E03-26
Yes
Release parking brake
completely and/or
replenish brake fluid.
Go to Step 3.
Repair or replace.
[A]
E03
14
15
16
17
18
19
20
21
22
23
24
25
26 13
10. Junction connector
11. To TCM, BCM, 4WD control module and keyless
start control module
12. ABS hydraulic unit / control module assembly
No
S5JB0E4504012
1
2
3
4
5
6
7
8
9
10
11
12
I5JB0A450012-02