2006 SUZUKI SX4 10B

Downloaded from www.Manualslib.com manuals search engine 9C-22 Instrumentation / Driver Info. / Horn:
Remote Audio Control Switch Inspection (If
Equipped)
S6RW0D9306025
1) Remove driver air bag (inflator) module referring to
“Driver Air Bag (Inflator) Module Removal and
Installation in Section 8B”.
2) Disconnect remote audio control switch connector
from contact coil.
3) Check switch for resistance between “a” and “b”
terminals under each condition below.
If check result is not satisfactory, replace remote
audio control switch.
Remote audio control switch resistance
All switches released (OFF): 5119 – 5223 Ω
Switch “1” pushing on (ON): 55 – 57 Ω
Switch “2” pushing on (ON): 129 – 133 Ω
Switch “3” pushing on (ON): 238 – 244 Ω
Switch “4” pushing on (ON): 416 – 426 Ω
Switch “5” pushing on (ON): 743 – 759 Ω
Switch “6” pushing on (ON): 1555 – 1587 Ω
Vehicle Speed Signal Inspection (For Audio
Unit) (If Equipped)
S6RW0D9306026
Check vehicle speed pulse output signal of BCM
referring to “Reference waveform No.7” under
“Inspection of BCM and Its Circuits in Section 10B”.
Specifications
Tightening Torque SpecificationsS6RW0D9307001
NOTE
The specified tightening torque is also described in the following.
“Audio System Component Location”

Reference:
For the tightening torque of fastener not specified in this section, refer to “Fasteners Information in Section 0A”.
[A]: With cruise control system
[B]: Without cruise control system
1
2
34
5
6
“b” “a”
“b” “a” [A]
[B]
I6RW0D930004-01
Fastening partTightening torque
Note
N⋅mkgf-mlb-ft
Instrument panel mounting bolt 23 2.3 17.0)
Antenna base mounting bolt 5.0 0.5 4.0)

Downloaded from www.Manualslib.com manuals search engine Wipers / Washers: 9D-1
Body, Cab and Accessories
Wipers / Washers
Diagnostic Information and Procedures
Front Wiper and Washer Symptom DiagnosisS6RW0D9404001
Rear Wiper and Washer Symptom DiagnosisS6RW0D9404002
Condition Possible cause Correction / Reference Item
Wiper malfunctionsCircuit fuse blownReplace fuse and check for short circuit.
Wiper motor faultyCheck wiper motor referring to “Windshield
Wiper Motor Inspection”.
Combination switch (wiper switch) faultyCheck wiper switch referring to “Windshield
Wiper and Washer Switch Inspection”.
Wiring or grounding faultyRepair circuit.
Washer malfunctionsWasher hose or nozzle cloggedClean or repair clogged hose or nozzle.
Circuit fuse blownReplace fuse and check for short circuit.
Washer pump faultyCheck washer pump referring to “Washer
Pump Inspection”.
Combination switch (washer switch)
faultyCheck washer switch referring to “Windshield
Wiper and Washer Switch Inspection”.
Wiring or grounding faultyRepair circuit.
Condition Possible cause Correction / Reference Item
Wiper malfunctions
NOTE
• Use of SUZUKI scan
tool makes it easy to
check whether a faulty
condition is on the
input side or output
side of BCM. For
checking procedure,
refer to “Diagnosis
Using Output Test
Function of SUZUKI
Scan Tool” under
“Scan Tool Data in
Section 10B”.
• Check each part in the
order from the top of
the following list.

Circuit fuse blownReplace fuse and check for short circuit.
Wiper motor faultyCheck wiper motor referring to “Rear Wiper
Motor Inspection”.
Combination switch (wiper switch) faultyCheck wiper switch referring to “Rear Wiper
and Washer Switch Inspection”.
Rear wiper relay faultyCheck rear wiper relay referring to “Rear Wiper
Relay Inspection”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
Washer malfunctionsWasher hose or nozzle cloggedClean or repair clogged hose or nozzle.
Circuit fuse blownReplace fuse and check for short circuit.
Washer pump faultyCheck washer pump referring to “Washer
Pump Inspection”.
Combination switch (washer switch)
faultyCheck washer switch referring to “Rear Wiper
and Washer Switch Inspection”.
Wiring or grounding faultyRepair circuit.

Downloaded from www.Manualslib.com manuals search engine 9E-1 Glass / Windows / Mirrors:
Body, Cab and Accessories
Glass / Windows / Mirrors
Precautions
Precautions for Power Window Service (Pinching Prevention Function Model)S6RW0D9500001
WARNING!
When checking the pinching prevention function, never attempt intentionally to have your hand, arm
or any other part of the body pinched. Also, use full care not to have your body caught.

• Do not drop the power window regulator (motor) or expose it to a strong impact in any other way.
• Do not operate the motor unless the power window regulator (motor) is installed and ready to operate door glass.
• If any peripheral part has bean damaged, replace regulator (motor) as well depending on the damage condition.
• After replacing or disconnecting the driver side power window regulator (motor), power window main switch, battery
and/or fuse, make sure to execute the initial setting, (to have the door glass closed position learned) refer to “Power
Window Main Switch Initialization (Pinching Prevention Function Model)”.
General Description
Rear End Door Window Defogger System DescriptionS6RW0D9501001
The rear end door window defogger is controlled by BCM. For the BCM description refer to “BCM General Description
in Section 10B”.

Downloaded from www.Manualslib.com manuals search engine 9E-3 Glass / Windows / Mirrors:
Diagnostic Information and Procedures
Rear End door Window Defogger Symptom DiagnosisS6RW0D9504001
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Power Window Control System Symptom DiagnosisS6RW0D9504002
Condition Possible cause Correction / Reference Item
Rear end door window
defogger does not
operateCircuit fuse blownReplace fuse and check for short circuit.
Rear end door window defogger switch
faultyCheck rear end door window defogger switch
referring to “Rear End Door Window Defogger
Switch Inspection”.
Rear end door window defogger relay
faultyCheck rear end door window defogger relay
referring to “Rear End Door Window Defogger
Relay Inspection”.
Defogger wire faultyCheck defogger wire referring to “Rear End
Door Window Defogger Wire Inspection”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
All power windows do not
operateCircuit fuse blownReplace fuse and check for short circuit.
Power window main switch faultyCheck power window main switch referring to
“Power Window Main Switch Inspection”.
Ignition switch faultyCheck ignition switch referring to “Ignition
Switch Inspection in Section 9C”.
Wiring or grounding faultyRepair circuit.
Only one power window
does not operatePower window main switch faultyCheck power window main switch referring to
“Power Window Main Switch Inspection”.
Power window sub switch faultyCheck power window sub switch referring to
“Power Window Sub Switch Inspection”.
Wiring and/or coupler faultyCheck wiring and/or coupler.
Power window regulator faultyCheck window regulator.
Power window motor faultyCheck power window motor.
Wiring or grounding faultyRepair circuit.
Driver side door glass
fails to perform auto-up /
auto-down function
(Pinching Prevention
Function Model)Power window main switch faultyCheck power window main switch referring to
“Power Window Main Switch Inspection”.
Power window motor faultyCheck power window motor referring to “Pulse
Sensor and Its Circuit Inspection (Pinching
Prevention Function Model)”.
Wiring or grounding faultyRepair circuit.
Driver side door glass
fails to lower back even
when a foreign matter is
pinched (Pinching
Prevention Function
Model)Power window main switch has not been
initializedExecute the initial setting of power window
main switch referring to “Power Window Main
Switch Initialization (Pinching Prevention
Function Model)”.
Power window main switch faultyCheck power window main switch referring to
“Power Window Main Switch Inspection”.
Power window motor faultyCheck power window motor referring to “Pulse
Sensor and Its Circuit Inspection (Pinching
Prevention Function Model)”.

Downloaded from www.Manualslib.com manuals search engine 9E-5 Glass / Windows / Mirrors:
Door Mirror Heater Symptom Diagnosis (If Equipped)S6RW0D9504004
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Repair Instructions
Windshield ComponentsS6RW0D9506001
Condition Possible cause Correction / Reference Item
All door mirror heaters
does not operateCircuit fuse blownReplace fuse and check for short circuit.
Rear end door window defogger switch
faultyCheck rear end door window defogger switch
referring to “Rear End Door Window Defogger
Switch Inspection”.
Rear end door window defogger relay
faultyCheck rear end door window defogger relay
referring to “Rear End Door Window Defogger
Relay Inspection”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
Only one door mirror
heater does not operateDoor mirror heater faultyCheck door mirror heater refiring to “Door
Mirror Heater Inspection (If Equipped)”.
Wiring or grounding faultyRepair circuit.
3 31
2
44
4
I5RW0A950001-02
1. Windshield glass 3. Windshield glass stopper : Do not reuse.
2. Windshield molding 4. Spacer

Downloaded from www.Manualslib.com manuals search engine 9F-3 Security and Locks:
Diagnostic Information and Procedures
Power Door Lock System Symptom Diagnosis (If Equipped)S6RW0D9604001
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Power Door Lock System Operation Inspection (If Equipped)S6RW0D9604002
1) Check the following operation:
a) Turn the driver side key cylinder is turned LOCK once, check all doors lock.
b) Turn the driver side door key cylinder is turned UNLOCK position with door key twice, check all doors unlock.
c) With all doors unlocked, insert key in key cylinder of driver side door and turn it to lock side, turn it again to lock
side within 3 seconds and check that no door can be opened even when door lock knob is moved to unlock
side (dead lock function, if equipped).
If malfunction is found, go to “Power Door Lock System Symptom Diagnosis (If Equipped)”. Condition Possible cause Correction / Reference Item
All door can not be locked
/ unlocked by all of
switchesCircuit fuse blownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
All door can not be locked
/ unlocked by only power
door lock switchCircuit fuse blownReplace fuse and check for short circuit.
Power door lock switch faultyCheck power door lock switch referring to
“Power Door Lock Switch Inspection (If
Equipped)”.
Wiring harness connected to power door
lock switch faultyRepair.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
All door can not be locked
/ unlocked by only key
cylinder switchCircuit fuse blownReplace fuse and check for short circuit.
Key cylinder switch faultyCheck key cylinder switch referring to “Door
Key Cylinder Switch Inspection (If Equipped)”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.
Only one door can not be
locked / unlockedPower door lock actuator faultyCheck actuator referring to “Power Door Lock
Actuator Inspection (If Equipped)”.
Wiring harness connected to applicable
door lock actuator faultyRepair.
BCM faultyReplace after making sure that none of above
parts is faulty.

Downloaded from www.Manualslib.com manuals search engine 9F-5 Security and Locks:
Keyless Entry System Operation Inspection (If
Equipped)
S6RW0D9604004
NOTE
When performing the this inspection, make
sure to have any of the door once opened /
closed after the ignition key has been
removed from the ignition key cylinder.

1) Confirm that power door lock system operates
normally, refer to “Power Door Lock System
Operation Inspection (If Equipped)”.
2) All doors are closed and unlocked.
3) Check the following operation:
a) Push “lock” button (1) on transmitter (2) or
remote controller once, and check all doors lock
and hazard waning lights flash once.b) Push “unlock” button (3) on transmitter (2) or
remote controller twice, and check all doors
unlock and hazard waning lights flash twice and
interior light turns on several seconds with the
interior light switch in the middle position.
If malfunction is found, go to “Keyless Entry System
Symptom Diagnosis (If Equipped)”.
Door Lock Function of Keyless Start System
Symptom Diagnosis (If Equipped)
S6RW0D9604005
Proceed to “Keyless Start System Symptom Diagnosis in
Section 10E” in case that doors cannot be locked and
unlocked by operating the request switch at the outside
door handle.
Rear End Door Opener System Symptom Diagnosis (If Equipped)S6RW0D9604006
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Rear End Door Opener System Operation Inspection (If Equipped)S6RW0D9604007
1) Unlock all doors by using manual lock switch, keyless entry transmitter, or key cylinder switch.
2) Make sure that latch of rear end door is released from striker when rear end door opener switch is pushed.
If malfunction is found, go to “Rear End Door Opener System Symptom Diagnosis (If Equipped)”.
1
3
2I4RS0B960013-01
Condition Possible cause Correction / Reference Item
Rear end door can not be
openedCircuit fuse blownReplace fuse and check for short circuit.
Rear end door opener switch faultyCheck rear end door opener switch referring to
“Rear End Door Opener Switch Inspection (If
Equipped)”.
Rear end door actuator faultyCheck rear end door actuator referring to
“Power Door Lock Actuator Inspection (If
Equipped)”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.

Downloaded from www.Manualslib.com manuals search engine Table of Contents 10- i
10
Section 10
CONTENTS
Control Systems
Precautions ............................................... 10-1
Precautions........................................................... 10-1
Precautions for Control Systems......................... 10-1
Body Electrical Control System ........... 10B-1
Precautions......................................................... 10B-1
Precautions in Diagnosing Trouble ................... 10B-1
General Description ........................................... 10B-1
BCM General Description ................................. 10B-1
CAN Communication System Description......... 10B-1
Theft Deterrent Light ......................................... 10B-2
Security Alarm Description (If Equipped) .......... 10B-2
Schematic and Routing Diagram ...................... 10B-3
Body Electrical Control System Wiring Circuit
Diagram .......................................................... 10B-3
Connector Layout Diagram of BCM and
Junction Block ................................................. 10B-6
Component Location ......................................... 10B-7
BCM and Related System Component
Location .......................................................... 10B-7
Diagnostic Information and Procedures .......... 10B-8
BCM Self-Diagnosis Function ........................... 10B-8
Body Electrical Control System Check.............. 10B-9
Scan Tool Data ............................................... 10B-11
DTC Table ....................................................... 10B-13
DTC Check ..................................................... 10B-14
DTC Clearance ............................................... 10B-15
BCM Power Circuit and Ground Circuit Check 10B-16
DTC B1133 (DTC No. 1133): Battery Voltage
Too High ....................................................... 10B-17
DTC B1141 / DTC B1142 (No. 1141 / No.
1142) Outside Air Temperature (Ambient
Temp.) Sensor Circuit Malfunction ................ 10B-18
DTC B1150 (No. 1150): Air Bag
Communication Circuit Malfunction .............. 10B-19
DTC B1157 (No. 1157) Air Bag Deployment
Signal Input ................................................... 10B-20
DTC B1170 (No. 1170): EEPROM Access
Error .............................................................. 10B-20
DTC U0073 (No. 0073): Control Module
Communication Bus Off ................................ 10B-20
DTC U0100 (No. 0100): Lost Communication
with ECM....................................................... 10B-20DTC U0101 (No. 0101): Lost Communication
with TCM ....................................................... 10B-20
DTC U0155 (No. 0155): Lost Communication
with Instrument Panel Cluster (IPC) Control
Module .......................................................... 10B-20
DTC U1144 (No. 1144): Lost Communication
with Keyless Start Control Module ................ 10B-20
Inspection of BCM and Its Circuits .................. 10B-21
Repair Instructions ..........................................10B-28
BCM (Included in Junction Block) Removal
and Installation .............................................. 10B-28
Security Alarm Mode Selection Procedure (If
Equipped) ...................................................... 10B-29
Outside Air Temperature Sensor Removal
and Installation .............................................. 10B-29
Outside Air Temperature Sensor Inspection ... 10B-29
Special Tools and Equipment .........................10B-29
Special Tool .................................................... 10B-29
Immobilizer Control System ................. 10C-1
Precautions.........................................................10C-1
Precautions in Diagnosing Troubles .................10C-1
Precaution in Replacing ECM ...........................10C-1
Precaution in Replacing Ignition Key ................10C-1
Precautions in Handling Immobilizer Control
System ............................................................10C-1
General Description ...........................................10C-2
Immobilizer Control System Introduction ..........10C-2
On-Board Diagnostic System Description
(Self-diagnosis Function)................................10C-2
Schematic and Routing Diagram ......................10C-3
Immobilizer Control System Wiring Circuit
Diagram...........................................................10C-3
Component Location .........................................10C-5
Immobilizer Control System Components
Location...........................................................10C-5
Diagnostic Information and Procedures ..........10C-5
Immobilizer Control System Check ...................10C-5
DTC Check........................................................10C-6
DTC Clearance .................................................10C-6
DTC Table .........................................................10C-7
Scan Tool Data .................................................10C-8
Immobilizer Indicator Light Does Not Come
ON with Ignition Switch ON and Engine Stop ..10C-9