2006 SUZUKI SX4 Motor

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Page 420 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine 1J-6 Charging System:
3) Ground “F” terminal and start engine, then measure
voltage at “B” terminal as shown in figure.
• Voltage i

Downloaded from www.Manualslib.com manuals search engine 1J-6 Charging System:
3) Ground “F” terminal and start engine, then measure
voltage at “B” terminal as shown in figure.
• Voltage is higher than standard value. It is
considered that generator itself is good but IC
regulator has been damaged, replace IC
regulator.
• Voltage is lower than standard value. It is
considered that generator itself has problem,
check the generator.
Load Check
1) Run engine at 2,000 rpm and turn on head light and
heater motor.
2) Measure current and if it is less than 20 A, repair or
replace generator.Generator Test (Overcharged Battery Check)S6RW0D1A04004
1) To determine battery condition, refer to “Battery
Description”.
2) If obvious overcharged condition exists as evidenced
by excessive spewing of electrolyte, measure
generator “B” terminal voltage at engine 2000 rpm.
3) If measured voltage is higher than upper limit value,
disassemble generator.
4) Check ground of brushes. If brushes are not
grounded, replace IC regulator. Then check field coil
for grounds and shorts.
Repair Instructions
Jump Starting in Case of EmergencyS6RW0D1A06001
With Auxiliary (Booster) Battery
CAUTION!
If vehicle is manual transaxle model and has
a catalytic converter, do not push or tow it to
start. Damage to its emission system and/or
to other parts may result.

Both booster and discharged battery should be treated
carefully when using jumper cables. Follow the
procedure outlined as follows, being careful not to cause
sparks.
WARNING!
• Departure from these conditions or
procedure described as follows could
result in:
– Serious personal injury (particularly to
eyes) or property damage from such
causes as battery explosion, battery
acid, or electrical burns.
– Damage to electronic components of
either vehicle.
• Remove rings, watches, and other jewelry.
Wear approved eye protection.
• Be careful so that metal tools or jumper
cables do not contact positive battery
terminal (or metal in contact with it) and
any other metal on vehicle, because a
short circuit could occur.
• Do not connect negative cable directly to
negative terminal of dead battery.

I2RH011A0008-01
[A]: Regulated voltage (V)
[B]: Heatsink temperature (°C)
16.0
12.0
14.2 15.3
14.8
14.2
13.3 14.8
15.0
11.0 14.0
13.0 [A]
12.5 13.6
13.1
12.5
11.613.1
[B] -30 0 25 135
H
L
I2RH0B1A0005-01

Page 570 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine 4-ii Table of Contents
Specifications .......................................................4D-4
Tightening Torque Specifications ............

Downloaded from www.Manualslib.com manuals search engine 4-ii Table of Contents
Specifications .......................................................4D-4
Tightening Torque Specifications ........................4D-4
ABS ............................................................4E-1
Precautions........................................................... 4E-1
Precautions in Diagnosing Troubles ................... 4E-1
Precautions in On-Vehicle Service...................... 4E-1
General Description ............................................. 4E-2
ABS Description .................................................. 4E-2
ABS Hydraulic Unit / Control Module
Assembly Description ....................................... 4E-3
CAN Communication System Description........... 4E-3
Schematic and Routing Diagram ........................ 4E-4
ABS Schematic ................................................... 4E-4
ABS Wiring Circuit Diagram ................................ 4E-5
Component Location ........................................... 4E-8
ABS Components Location ................................. 4E-8
Diagnostic Information and Procedures ............ 4E-8
ABS Check .......................................................... 4E-8
ABS Warning Light Check................................. 4E-10
EBD Warning Light (Brake Warning Light)
Check .............................................................. 4E-10
DTC Check........................................................ 4E-11
DTC Table ......................................................... 4E-11
DTC Clearance ................................................. 4E-11
Scan Tool Data ................................................. 4E-12
ABS Warning Light Does Not Come ON at
Ignition Switch ON .......................................... 4E-13
ABS Warning Light Comes ON Steady ............. 4E-15
EBD Warning Light (Brake Warning Light)
Comes ON Steady .......................................... 4E-16
Serial Data Link Circuit Check .......................... 4E-17
DTC C1013: Control Module Mismatch ............ 4E-20
DTC C1015: G Sensor Circuit (4WD Model)..... 4E-21
DTC 1016: Brake Light Switch .......................... 4E-22
DTC C1021 / C1022 / C1025 / C1026 / C1031
/ C1032 / C1035 / C1036: Wheel Speed
Sensor Circuit / Sensor or Encoder ................ 4E-23
DTC C1033: Wheel Speed Sensor Deviation ... 4E-25
DTC C1041 / C1042 / C1045 / C1046 / C1051
/ C1052 / C1055 / C1056: Inlet / Outlet
Solenoid .......................................................... 4E-26DTC C1057: Power Supply Voltage Too High
/ Too Low ........................................................ 4E-27
DTC C1061: Pump Motor Circuit ...................... 4E-28
DTC C1063: Solenoid Valve Power Supply
Driver Circuit ................................................... 4E-29
DTC C1071: Control Module Internal Defect .... 4E-30
ABS Hydraulic Unit / Control Module
Assembly Power and Ground Circuit Check ... 4E-30
Repair Instructions ............................................ 4E-31
ABS Hydraulic Unit Operation Check................ 4E-31
ABS Hydraulic Unit / Control Module
Assembly Components ................................... 4E-32
ABS Hydraulic Unit / Control Module
Assembly On-Vehicle Inspection .................... 4E-33
ABS Hydraulic Unit / Control Module
Assembly Removal and Installation ................ 4E-33
Front and Rear Wheel Speed Sensor On-
Vehicle Inspection ........................................... 4E-34
Front Wheel Speed Sensor Removal and
Installation ....................................................... 4E-35
Front and Rear Wheel Speed Sensor
Inspection ........................................................ 4E-36
Rear Wheel Speed Sensor Removal and
Installation (4WD Model) ................................. 4E-36
Rear Wheel Speed Sensor Removal and
Installation (2WD Model) ................................. 4E-36
Front Wheel Speed Sensor Encoder On-
Vehicle Inspection ........................................... 4E-37
Front Wheel Speed Sensor Encoder Removal
and Installation ................................................ 4E-37
Rear Wheel Speed Sensor Encoder On-
Vehicle Inspection ........................................... 4E-37
Rear Wheel Speed Sensor Encoder Removal
and Installation ................................................ 4E-37
G Sensor Removal and Installation (4WD
Model) ............................................................. 4E-38
G Sensor Inspection (4WD Model) ................... 4E-38
Specifications ..................................................... 4E-39
Tightening Torque Specifications ...................... 4E-39
Special Tools and Equipment ........................... 4E-39
Special Tool ...................................................... 4E-39

Page 607 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ABS: 4E-2
General Description
ABS DescriptionS6RW0D4501001
The ABS (Antilock Brake System) controls the fluid
pressure applied to the wheel cy

Downloaded from www.Manualslib.com manuals search engine ABS: 4E-2
General Description
ABS DescriptionS6RW0D4501001
The ABS (Antilock Brake System) controls the fluid
pressure applied to the wheel cylinder of each brake
from the master cylinder so that each wheel is not locked
even when hard braking is applied.
This ABS has also the following function.
While braking is applied, but before ABS control
becomes effective, braking force is distributed between
the front and rear so as to prevent the rear wheels from
being locked too early for better stability of the vehicle.
The main component parts of this ABS include the
following parts in addition to those of the conventional
brake system.
• Wheel speed sensor which senses revolution speed
of each wheel and outputs its signal.
Rear wheel speed sensor of 4WD vehicle is
integrated in rear wheel hub assembly and supplied
as rear wheel hub assembly part.
Front wheel speed sensor and rear wheel speed
sensor of 2WD model are separated from wheel hub
assembly and supplied as spare parts.
• ABS warning light which lights to inform abnormality
when system fails to operate properly.• ABS hydraulic unit / control module assembly is
incorporated ABS control module, ABS hydraulic unit
(actuator assembly), solenoid valve power supply
driver (transistor), solenoid valve driver (transistor),
pump motor driver (transistor).
– ABS control module which sends operation signal
to ABS hydraulic unit to control fluid pressure
applied to each wheel cylinder based on signal
from each wheel speed sensor so as to prevent
wheel from locking.
– ABS hydraulic unit which operates according to
signal from ABS control module to control fluid
pressure applied to wheel cylinder of each 4
wheels.
– Solenoid valve power supply driver (transistor)
which supplies power to solenoid valve in ABS
hydraulic unit.
– Solenoid valve driver (transistor) which controls
each solenoid valves in ABS hydraulic unit.
– Pump motor driver (transistor) which supplies
power to pump motor in ABS hydraulic unit.
• G sensor which detects body deceleration speed for
4WD model.
This ABS is equipped with Electronic Brake force
Distribution (EBD) system that controls a fluid pressure
of rear wheels to best condition, which is the same
function as that of proportioning valve, by the signal from
wheel sensor independently of change of load due to
load capacity and so on. And if the EBD system fails to
operate properly, the brake warning light lights to inform
abnormality.

Page 609 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ABS: 4E-4
Schematic and Routing Diagram
ABS SchematicS6RW0D4502001
13
2
8
6
5 7
12
4
15
17
1614
9
18
19
11 10
20
21221323
INPUTOUTPUT
ABS contr

Page 610 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine 4E-5 ABS:
ABS Wiring Circuit DiagramS6RW0D4502002 1. ABS hydraulic unit / control module assembly 9. Brake light switch 17. Wheel speed sensor

Page 611 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ABS: 4E-6
17+BB
18BLU
WHT12VGRN/ORN 34
30E08-9
RED
WHT 1226
WHT/RED
12V
E08-7
19GRN
GRN
E08-16
12V
5
76
21REDRED/BLK
12V
BLKWHTE08-22 E08-11
23

Page 612 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine 4E-7 ABS:
Te r m i n a l C i r c u i t
E081 CAN communication line (high) for ECM
2 CAN communication line (high) for BCM
3 G sensor ground (4

Page 616 of 1556

SUZUKI SX4 2006 1.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine 4E-11 ABS:
DTC CheckS6RW0D4504004
1) Turn ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector
(1).
Special to

Downloaded from www.Manualslib.com manuals search engine 4E-11 ABS:
DTC CheckS6RW0D4504004
1) Turn ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector
(1).
Special tool
(A): SUZUKI scan tool
3) Turn ignition switch to ON position.
4) Read DTC according to instructions displayed on
SUZUKI scan tool and print it or write it down. Refer
to SUZUKI scan tool operator’s manual for further
details.
NOTE
If SUZUKI scan tool can not communicate
ABS hydraulic unit / control module, perform
“Serial Data Link Circuit Check”.

5) After completing the check, turn ignition switch off
and disconnect SUZUKI scan tool from DLC.
DTC TableS6RW0D4504005
CAUTION!
Be sure to perform “ABS Check” before
starting diagnosis.

DTC ClearanceS6RW0D4504006
WARNING!
When performing a driving test, select a safe
place where there is neither any traffic nor
any traffic accident possibility and be very
careful during testing to avoid occurrence of
an accident.

After repair or replace malfunction part(s), clear all DTCs
by performing the following procedure or using SUZUKI
scan tool.
1) Connect SUZUKI scan tool to data link connector in
the same manner as when making this connection
for DTC check.
2) Turn ignition switch to ON position.
3) Erase DTC according to instructions displayed on
scan tool. Refer to scan tool operator’s manual for
further derails.
NOTE
For DTC C1022, C1026, C1032, C1036 and
C1061, confirm that ABS warning light turns
off after performing Step 2 of “Test Driving”
under “ABS Check”, and then clear the DTCs.

4) After completing the clearance, turn ignition switch
OFF and disconnect scan tool from data link
connector.
5) Perform “Driving Test” (Step 2 of “ABS Check”) and
“DTC Check” and confirm that NO DTC is displayed
on scan tool. DTC (displayed on
SUZUKI scan tool)Diagnostic Items
NO DTC Normal
)C1013 Control module mismatch
) C1015 G sensor circuit (for 4WD model)
)C1016 Brake light switch
)C1021 RF
Wheel speed sensor circuit )C1025 LF
)C1031 RR
)C1035 LR
)C1022 RF
Wheel speed sensor or
encoder )C1026 LF
)C1032 RR
)C1036 LR
)C1033 Wheel speed sensor deviation
(A)
1
I5RW0A450007-01
)C1041 RF
Inlet solenoid )C1045 LF
)C1051 RR
)C1055 LR
)C1042 RF
Outlet solenoid )C1046 LF
)C1052 RR
)C1056 LR
) C1057Power supply voltage too high / too
low
) C1061 Pump motor circuit
) C1063Solenoid valve power supply driver
circuit
) C1071 Control module internal defect DTC (displayed on
SUZUKI scan tool)Diagnostic Items

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