Suzuki 2006 SX4, Service Manual

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4E-24 ABS:
DTC C1057: Power Supply Voltage Too High / Too Low
S6RW0C4504018
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
WHT GRN
3
4
5
E08-23
BLK
12V
E08-9 GRN/ORN
2
1
[A] E08
1
2
3
4
5
6
7
12
13
14
15
16
17
18
19
20
21
22
8
9
10
11
23
24
25
26
I7RW01450009-03
[A]: ABS control module connector (viewed from terminal side) 2. Main fuse box 4. Junction block assembly
1. Battery 3. Ignition switch 5. ABS hydraulic unit control module assembly
DTC Detecting Condition Trouble Area
ABS control module power supply voltage is too high or
too low. • ABS control module power supply circuit
• ABS control module
Step Action Yes No
1 Was “ABS Check” performed? Go to Step 2. Go to “ABS Check”.
2 Check ABS hydraulic unit / control module assembly
power and ground circuit
1) Check that ABS hydraulic unit / control module assembly
power supply circuit and ground circuit is in good
condition referring to “ABS Hydraulic Unit / Control
Module Assembly Power and Ground Circuit Check”.
Are check results OK?
Go to Step 3 Repair ABS hydraulic
unit / control module
assembly power or
ground circuit.
3 ABS hydraulic unit / control module power source
voltage check
1) Measure battery voltage with engine running at 3000
rpm.
Is voltage 15 V or less?
Substitute a known-
good ABS hydraulic unit
/ control module
assembly and recheck. Check charging system
referring to “Generator
Test (Overcharged
Battery Check) in
Section 1J”.