Repair Instructions; Abs Hydraulic Unit Operation Check - Suzuki SX4 Service Manual

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4E-31 ABS:
Troubleshooting
Step
1
Check fuse
Are main fuses and circuit fuses for ABS in good condition?
2
Check ABS control module power supply circuit
1) Turn ignition switch to OFF position.
2) Disconnect ABS control module connector.
3) Check for proper connection to ABS control module
connector at terminals "E08-9", "E08-23", "E08-24", and
"E08-25".
4) If OK, then turn ignition switch to ON position and
measure voltage between terminal "E08-9" and vehicle
body ground.
Is it 10 – 14 V?
3
Pump motor and solenoid valve power supply circuit
1) Turn ignition switch to OFF position.
2) Measure voltage between each terminal of "E08-24",
"E08-25" and vehicle body ground.
Are they 10 – 14 V?
4
Check ABS hydraulic unit / control module assembly
ground circuit
1) Measure resistance between terminal "E08-23" and
vehicle body ground.
Is resistance less than 2

ABS Hydraulic Unit Operation Check

1) Check that basic brake system other than ABS is in
good condition.
2) Check that battery voltage is 11 V or more.
3) Hoist vehicle.
4) Set transmission to neutral (P range for A/T) and
release parking brake.
5) Turn each wheel gradually by hand to check if brake
dragging occurs. If it does, correct.
6) Connect SUZUKI scan tool to data link connector
(DLC) (1) with ignition switch OFF.
Special tool
(A): SUZUKI scan tool
Action
?

Repair Instructions

S7RW0A4506001
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
ABS hydraulic unit /
control module
assembly power and
ground circuits are in
good condition.
(A)
1
No
Replace fuse and check
for short circuit to
ground.
"GRN/ORN" circuit
open.
"WHT/BLU" and/or
"WHT/RED" circuit
open.
"BLK" circuit open or
high resistance.
I5RW0A450007-01

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