2006 SUZUKI SX4 A-8

Downloaded from www.Manualslib.com manuals search engine 1A-84 Engine General Information and Diagnosis:
3ECM voltage check
1) Disconnect connector from ECT sensor with ignition
switch turned OFF.
2) Check for proper connection to ECT sensor at “LT GRN”
and “GRY/BLU” wire terminals.
3) If OK, then turn ON ignition switch, measure voltage
between “LT GRN” wire terminal of ECT sensor
connector and vehicle body ground.
Is voltage about 4 – 6 V?Go to Step 6. Go to Step 4.
4ECT sensor short circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between “LT GRN” wire terminal of
ECT sensor connector and vehicle body ground.
Is resistance infinity?Go to Step 5. “LT GRN” wire is
shorted to ground
circuit.
If wire is OK, substitute
a known-good ECM and
recheck.
5ECT sensor short circuit check
1) Turn ON ignition switch.
2) Measure voltage between “LT GRN” wire terminal of
ECT sensor connector and vehicle body ground.
Is voltage about 0 V?Go to Step 6. “LT GRN” wire is
shorted to other circuit.
If wire is OK, substitute
a known-good ECM and
recheck.
6ECT sensor for performance check
1) Check ECT sensor according to “Engine Coolant
Temperature (ECT) Sensor Inspection in Section 1C”.
Is it in good condition?Substitute a known-
good ECM and recheck.Replace ECT sensor. Step Action Yes No
I5RW0A110025-01

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-85
DTC P0118: Engine Coolant Temperature Circuit HighS6RW0D1104028
Wiring Diagram
Refer to “DTC P0116: Engine Coolant Temperature Circuit Range / Performance”.
DTC Detecting Condition and Trouble Area
NOTE
When DTC P0108 and P0113 are indicated together, it is possible that “GRY/BLU” wire circuit open.

DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it for 10 sec. or more.
4) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.

DTC detecting condition Trouble area
Voltage of ECT sensor output is more than specified value with engine running.
(Low engine coolant temperature (high voltage / high resistance))
(1 driving cycle detection logic)• ECT sensor circuit
• ECT sensor
•ECM
Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2ECT sensor and its circuit check
1) Connect scan tool with ignition switch turned OFF.
2) Turn ON ignition switch.
3) Check engine coolant temp. displayed on scan tool.
Is –40
°C (–40 °F) indicated?Go to Step 3. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
3ECT voltage check
1) Disconnect connector from ECT sensor with ignition
switch turned OFF.
2) Check for proper connection to ECT sensor at “LT GRN”
and “GRY/BLU” wire terminals.
3) If OK, then turn ON ignition switch, measure voltage
between “LT GRN” wire terminal of ECT sensor
connector and vehicle body ground.
Is voltage about 4 – 6 V?Go to Step 6. Go to Step 4.
I5RW0A110025-01

Downloaded from www.Manualslib.com manuals search engine 1A-86 Engine General Information and Diagnosis:
4ECM voltage check
1) Turn OFF ignition switch.
2) Remove ECM from its bracket with ECM connectors
connected.
3) Check for proper connection of ECM connector at “C01-
24” terminal.
4) If OK, then turn ON ignition switch, measure voltage
between “C01-24” wire terminal of ECM connector and
vehicle body ground.
Is voltage about 4 – 6 V?“LT GRN” wire is open
circuit. If wire and
connection are OK, go
to Step 5.Go to Step 5.
5ECT sensor harness voltage check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Turn ON ignition switch.
3) Measure voltage between “LT GRN” wire terminal of
ECT sensor connector and vehicle body ground.
Is voltage about 0 V?Go to Step 6. “LT GRN” wire is
shorted to other circuit.
If wire is OK, substitute
a known-good ECM and
recheck.
6ECT sensor harness resistance check
1) Measure resistance between “C01-24” terminal of ECM
connector and “LT GRN” wire terminal of ECT sensor
connector with ignition switch turn OFF.
Is resistance below 5
Ω?Go to Step 7. “LT GRN” wire is high
resistance circuit.
7ECT sensor ground circuit check
1) Connect connectors to ECM.
2) Check for proper connection of ECT sensor connector at
“GRY/BLU” wire terminal.
3) Measure resistance between “GRY/BLU” wire terminal
of ECT sensor connector and vehicle body ground.
Is resistance below 5
Ω?Go to Step 9. Go to Step 8.
8ECT sensor ground circuit check
1) Measure resistance between “C01-55” terminal of ECM
connector and vehicle body ground.
Is resistance below 5
Ω?“GRY/BLU” wire is open
circuit or high resistance
circuit. Poor “C01-55”
connection.Faulty ECM ground
circuit. If circuit is OK,
substitute a known-
good ECM and recheck.
9ECT sensor for performance check
1) Check ECT sensor according to “Engine Coolant
Temperature (ECT) Sensor Inspection in Section 1C”.
Is it in good condition?Substitute a known-
good ECM and recheck.Replace ECT sensor. Step Action Yes No

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-87
DTC P0122: Throttle Position Sensor (Main) Circuit LowS6RW0D1104029
Wiring Diagram
DTC Detecting Condition and Trouble Area
NOTE
When DTC P0122 and P0222 are indicated together, it is possible that “RED” wire open circuit.

E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
12V
5VBLK/REDBLK/RED
BLK/YEL
12BLK/YEL
BLK/YEL
BRN/WHT
E01-1
E01-60
C01-58
C01-15 C01-30
BLK/ORN
BLKBLKE01-31 BLK
BLK/RED
RED
BRN
BLU
GRN
GRNGRY
WHT
BLK
GRY
BLK/REDE01-16
E01-45
E01-32
C01-45
C01-44
C01-43
C01-54
C01-40
C01-42
C01-41
1-1
1-2
1-33
45
867
109
E01-29 GRNBLK/WHT
WHT
YEL
I6RW0D110026-01
1. Electric throttle body assembly 3. ECM 8. “IGN” fuse
1-1. Throttle actuator 4. Main relay 9. “IG COIL” fuse
1-2. Throttle position sensor (main) 5. Individual circuit fuse box No.1 10. Ignition switch
1-3. Throttle position sensor (sub) 6. “THR MOT” fuse
2. Throttle actuator control relay 7. “FI” fuse
DTC detecting condition Trouble area
Output voltage of throttle position sensor (main) is less than specified value
for specified time.
(1 driving detection logic)• Throttle position sensor (main) circuit
• Electric throttle body assembly
•ECM

Downloaded from www.Manualslib.com manuals search engine 1A-88 Engine General Information and Diagnosis:
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Keep the accelerator pedal at idle position for 2 seconds.
4) Keep the accelerator pedal at fully depressed position for 2 seconds.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.

Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2Throttle position sensor and its circuit check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch, check “TP Sensor 1 Volt”
displayed on scan tool when accelerator pedal is idle
position and fully depressed.
Is displayed TP sensor value as described voltage in “Scan
To o l D a t a ” ?Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.Go to Step 3.
3ECM voltage check
1) Disconnect connector from electric throttle body
assembly with ignition switch turned OFF.
2) Check for proper connection to electric throttle body
assembly at “RED”, “GRN” and “BLK” wire terminals.
3) If OK, measure voltage between “RED” wire terminal of
electric throttle body assembly connector and engine
ground with ignition switch turned ON.
Is voltage 4 – 6 V?Go to Step 6. Go to Step 4.
4ECM voltage check
1) Turn OFF ignition switch.
2) Remove ECM from its bracket with ECM connectors
connected.
3) Check for proper connection of ECM connector at “C01-
43” terminal.
4) If OK, measure voltage between “C01-43” terminal of
ECM connector and engine ground with ignition switch
turned ON.
Is voltage 4 – 6 V?“RED” wire is open or
high resistance circuit.Go to Step 5.
“WHT”
“YEL”“RED”
“GRN” “BLU”“BLK”
I5RW0C110016-01

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-89
DTC P0123: Throttle Position Sensor (Main) Circuit HighS6RW0D1104030
Wiring Diagram
Refer to “DTC P0122: Throttle Position Sensor (Main) Circuit Low”.
DTC Detecting Condition and Trouble Area
NOTE
When DTC P0123 and P0223 are indicated together, it is possible that “RED” wire shorted to power
circuit and/or “BLK” wire open.

5Wire harness check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between “C01-43” terminal of ECM
connector and engine ground.
Is resistance infinity?Substitute a known-
good ECM and recheck.“RED” wire is shorted to
ground circuit.
6Wire harness check
1) Measure voltage between “GRN” wire terminal of electric
throttle body assembly connector and engine ground
with ignition switch turned ON.
Is voltage 4 – 6 V?Go to Step 9. Go to Step 7.
7Wire harness check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection of ECM connector at “C01-
54” and “C01-42” terminals.
3) If OK, measure resistance between “GRN” and “BLK”
wire terminals of electric throttle body assembly
connector.
Is resistance infinity?Go to Step 8. “GRN” wire is shorted to
“BLK” wire.
8Wire harness check
1) Measure resistance between “GRN” wire terminal of
electric throttle body assembly connector and engine
ground with ignition switch turned OFF.
Is resistance infinity?Substitute a known-
good ECM and recheck.“GRN” wire is shorted to
ground circuit.
9Electric throttle body assembly check
1) Check throttle pedal position sensor referring to “Throttle
Position Sensor Performance Check” under “Electric
Throttle Body Assembly On-Vehicle Inspection in
Section 1C”.
Is output voltage within specified value?Substitute a known-
good ECM and recheck.Replace electric throttle
body assembly. Step Action Yes No
DTC detecting condition Trouble area
Output voltage of throttle position sensor (main) is more than specified value
for specified time.
(1 driving detection logic)• Throttle position sensor (main) circuit
• Electric throttle body assembly
•ECM

Downloaded from www.Manualslib.com manuals search engine Drive Shaft / Axle: Front 3A-8
10) Install damper (1) to specified position on drive shaft.
Drive shaft damper installing position
“a”: 354 mm (13.9 in.) (right side)
“a”: 252 mm (9.9 in.) (left side)
11) Set new differential side (or center shaft side) small
band and new differential side (or center shaft side)
boot on shaft temporarily.
12) Drive in the cage (1) by using special tool.
Special tool
(A): 09913–84510
13) Install circlip (1) by using snap ring pliers (2).14) Apply grease to entire surface of cage. Use specified
grease in tube included in spare parts.
15) Insert cage into joint housing (2) and fit snap ring (1)
into groove of joint housing (2).
CAUTION!
Position opening of snap ring “c” so that it
will not be lined up with a ball.

16) Apply grease (including in spare parts) to inside of
joint housing (1).
Grease color
“A”: Dark gray
Amount
“A”: 75 – 95 g (2.6 – 3.4 oz) (right side)
“A”: 70 – 90 g (2.5 – 3.2 oz) (left side)
I5RW0A311004-01
(A)
1
I5RS0B310009-01
I5RS0B310010-01
I2RH01310036-01
I5RS0B310011-02

Downloaded from www.Manualslib.com manuals search engine Table of Contents 4- i
4
Section 4
CONTENTS
Brakes
Precautions ................................................. 4-1
Precautions............................................................. 4-1
Precautions for Brakes .......................................... 4-1
Brake Control System and Diagnosis ... 4A-1
Precautions........................................................... 4A-1
Precautions on Brake .......................................... 4A-1
General Description ............................................. 4A-1
Brakes Construction ............................................ 4A-1
Brake Pedal Foot Protection System
Construction (If Equipped) ................................ 4A-2
Front Brake Hose / Pipe Construction................. 4A-3
Rear Brake Hose / Pipe Construction ................. 4A-4
Diagnostic Information and Procedures ............ 4A-4
Brakes Diagnosis Note ....................................... 4A-4
Brakes Symptom Diagnosis ................................ 4A-5
Repair Instructions .............................................. 4A-7
Brake Pedal Components ................................... 4A-7
Brake Pedal Free Height Inspection ................... 4A-7
Brake Pedal Play Inspection ............................... 4A-7
Excessive Pedal Travel Inspection ..................... 4A-7
Brake Fluid Level Inspection ............................... 4A-8
Brake Light Switch Adjustment ........................... 4A-8
Air Bleeding of Brake System ............................. 4A-8
Front Brake Hose / Pipe Removal and
Installation ......................................................... 4A-9
Rear Brake Hose / Pipe Removal and
Installation ....................................................... 4A-10
Brake Hose and Pipe Inspection ....................... 4A-10
Master Cylinder and Brake Booster
Components.................................................... 4A-11
Master Cylinder Reservoir Removal and
Installation ....................................................... 4A-11
Master Cylinder Removal and Installation......... 4A-12
Master Cylinder Inspection ............................... 4A-13
Booster Operation Inspection ........................... 4A-14
Brake Booster Removal and Installation ........... 4A-15
Brake Booster Inspection .................................. 4A-15
Booster Push Clevis Rod Adjustment ............... 4A-16
Specifications..................................................... 4A-16
Tightening Torque Specifications ...................... 4A-16
Special Tools and Equipment ........................... 4A-16
Recommended Service Material ....................... 4A-16
Special Tool ...................................................... 4A-16
Front Brakes ............................................ 4B-1
Repair Instructions ..............................................4B-1
Front Disc Brake Components ............................ 4B-1
Front Disc Brake Pad On-Vehicle Inspection ...... 4B-2
Front Disc Brake Pad Removal and
Installation ......................................................... 4B-2
Front Disc Brake Pad Inspection......................... 4B-3
Front Disc Brake Caliper Removal and
Installation ......................................................... 4B-3
Front Disc Brake Caliper Disassembly and
Assembly........................................................... 4B-4
Front Disc Brake Caliper Inspection.................... 4B-6
Front Brake Disc Removal and Installation ......... 4B-6
Front Brake Disc Inspection ................................ 4B-7
Specifications .......................................................4B-8
Tightening Torque Specifications ........................ 4B-8
Special Tools and Equipment .............................4B-8
Recommended Service Material ......................... 4B-8
Special Tool ........................................................ 4B-8
Rear Brakes.............................................. 4C-1
Repair Instructions ..............................................4C-1
Rear Drum Brake Components ...........................4C-1
Rear Brake Drum Removal and Installation ........4C-2
Rear Brake Drum and Shoe Inspection ..............4C-2
Rear Brake Shoe On-Vehicle Inspection ............4C-3
Rear Brake Shoe Removal and Installation ........4C-3
Rear Brake Shoe Inspection ...............................4C-4
Wheel Cylinder Removal and Installation ...........4C-4
Wheel Cylinder Inspection ..................................4C-5
Brake Back Plate Removal and Installation ........4C-5
Specifications .......................................................4C-6
Tightening Torque Specifications ........................4C-6
Special Tools and Equipment .............................4C-6
Recommended Service Material .........................4C-6
Parking Brake .......................................... 4D-1
General Description .............................................4D-1
Parking Brake Cable Construction ......................4D-1
Repair Instructions ..............................................4D-2
Parking Brake Inspection and Adjustment ..........4D-2
Parking Brake Cable Removal and
Installation .........................................................4D-2
Parking Brake Lever Removal and Installation ....4D-3