Dtc C1063: Solenoid Valve Power Supply Driver Circuit - Suzuki SX4 Service Manual

4E-29 ABS:

DTC C1063: Solenoid Valve Power Supply Driver Circuit

Wiring Diagram
3
WHT
2
1
[A]: ABS control module connector (viewed from terminal side)
1. Battery
2. Main fuse box
3. Ignition switch
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• Solenoid valve power supply driver circuit is opened,
shorted to power and ground circuit in ABS control
module.
• Solenoid valve power supply voltage is too low.
• Solenoid valve power supply driver is stuck to ON or
OFF position.
• Output circuit from control unit is opened or shorted in
ABS control module.
• Mismatching solenoid output and solenoid monitor is
detected.
DTC Troubleshooting
Step
1 Was "ABS Check" performed?
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?
4
GRN GRN/ORN E08-9
WHT/BLU E08-24
BLK E08-23
Action
7
12V
5
6
4. Junction block assembly
5. Solenoid valve power supply driver (transistor)
6. To solenoid valve
7. ABS hydraulic unit / control module assembly
Trouble Area
• Solenoid valve power supply circuit
• ABS control module
Yes
Go to Step 2.
Substitute a known-
good ABS hydraulic unit
/ control module
assembly and recheck.
S7RW0A4504020
[A]
E08
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20
10
21
11
22
23
24
25
26
I7RW01460015-01
No
Go to "ABS Check".
Repair ABS hydraulic
unit / control module
assembly power or
ground circuit.