Dtc C1071: Control Module Internal Defect; Abs Hydraulic Unit / Control Module Assembly Power And Ground Circuit Check - Suzuki SX4 Service Manual

DTC C1071: Control Module Internal Defect

DTC Detecting Condition and Trouble Area
DTC Detecting Condition
ABS control module internal defect 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?

ABS Hydraulic Unit / Control Module Assembly Power and Ground Circuit Check

Wiring Diagram
WHT
2
1
[A]: ABS control module connector (viewed from terminal side)
1. Battery
2. Main fuse box
3. Ignition switch
4. Junction block assembly
Circuit Description
When the ignition switch is turned ON, power supply is supplied to ABS control module. And, power supply is supplied
to pump motor and solenoid valve in other line by the switching function in ABS control module.
Action
3
4
GRN GRN/ORN
WHT/RED
WHT/BLU
BLK
• ABS control module
Go to Step 2.
Substitute a known-
good ABS hydraulic unit
/ control module
assembly and recheck.
5
12V
E08-9
12V
E08-25
6
7
E08-24
8
E08-23
5. ABS hydraulic unit / control module assembly
6. To pump motor driver
7. Solenoid valve power supply driver
8. To solenoid valve
Trouble Area
Yes
Go to "ABS Check".
Repair ABS hydraulic
unit / control module
assembly power or
ground circuit.
[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
ABS: 4E-30
S7RW0A4504021
No
S7RW0A4504022
I6RW0C450004-01