2006 SUZUKI SX4 check engine light

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-90
• Improperly formed or damaged terminals.
Check each connector terminal in problem circuits
carefully to ensure good contact tension by using the
corresponding mating terminal included in the
connector test adapter kit (special tool).
If contact tension is not enough, reform the terminal to
increase contact tension or replace it.
Special tool
(A): 09932–76010 Connector test adapter kit
• Poor terminal-to-wire connection.
Check each wire harness in problem circuits for poor
connection by shaking it by hand lightly. If any
abnormal condition is found, change the wire harness
assembly or component parts with new ones.
• Wire insulation which is rubbed through, causing an
intermittent short as the bare area touches other
wiring or parts of the vehicle.
• Wire broken inside the insulation. This condition could
cause a continuity check to show a good circuit, but if
only 1 or 2 strands of a multi-strand-type wire are
intact, resistance could be far too high.
Repair and Inspection Required after AccidentS6RW0D8204048
CAUTION!
• All air bag system components, including
the electrical harness (component
mounting points), must be inspected after
an accident. If any components are
damaged or bent, they must be replaced
even if air bag system activation did not
occur.
• Never use air bag system parts from
another vehicle.
• Do not attempt to service the parts below.
Service of these parts is by replacement
only.
– Driver / Passenger air bag (inflator)
modules
– Driver / Passenger side-air bag (inflator)
modules
– Driver / Passenger side curtain-air bag
(inflator) modules
– Driver / Passenger seat belt
pretensioners
– Forward impact-sensor
– Driver / Passenger side impact-sensors
–SDM
– Contact coil and combination switch
assembly
– Air bag wire harness in main harness,
instrument panel harness, floor harness,
passenger air bag harness, side-air bag
harness and side curtain-air bag
harness.
• Proper operation of the sensors and air
bag system requires that any repairs to the
vehicle structure return it to its original
production configuration.

(A)
I4RS0A820045-01
IYSQ01010028-01
IYSQ01820025-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-92
– Check connector or lead wire of SDM for scorching,
melting or damage.
– Check SDM connector and terminals for tightness.
– Check if SDM sets a DTC and is judged as
malfunctioning according to the diagnostic flow.
• Air bag wire harness and connections
– Check for damages, deformities or poor
connections.
Refer to “Inspection of Intermittent and Poor
Connections”.
– Check wire harness clamps for tightness.
• Forward impact-sensor
– Check sensor (1) and apron-side-member (driver
side) (2) for damage, bend or rust.
– Check connector (3) or lead wire (4) of forward-
sensor for scorching, melting or damage.• Side impact-sensor
– Check sensor (1) and under body (2) for dents,
cracks, deformation or rust.
– Check sensor connector (sensor side and harness
side) (3) or sensor lead wire (4) for damage, crack,
scorching or melting.
• Seat belt pretensioner
– Check for dents, cracks, damage or fitness
– Check harness and connector for damage or
tightness.
• Seat belts and mounting points
– Refer to “Front Seat Belt Components in Section
8A”.
• “AIR BAG” warning light
– After vehicle is completely repaired, perform “Air
Bag Diagnostic System Check”.
• Side-air bag (inflator) module
– Check for dents, cracks, damage or fitness.
– Check trim cover for cracks or deformities.
– Check wire harness and connector for damage or
tightness.
• Side curtain-air bag (inflator) module
– Check for dents, cracks, damage or fitness.
– Check harness wire harness and connector for
damage or tightness.
– Check headlining for cracks or deformation.
1. Main harness 5. Side-air bag harness
2. Grounding point 6. Side curtain-air bag harness
3. Floor harness 7. Side curtain-air bag (inflator)
module
4. Instrument panel harness
I5RH01820092-01
4
1
26
3
5
7
I6RW0C820018-01
1
23
4I5RW0A820059-01
1. Seat belt 2. Retractor assembly
3 2
1
4
I5RW0A820060-01
I3JA01820043-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-94
5) Install driver and passenger side front pillar lower
trim.
6) Side-air bag (inflator) model:
Connect yellow connector (1) of side-air bag
(inflator) module by pushing connector till click is
heard from it.
7) Side curtain-air bag (inflator) model:
Connect yellow connector (1) of side curtain-air bag
(inflator) module by pushing connector till click is
heard from it.
8) Install right-side rear quarter lower trim.
9) Install “A/B” fuse to fuse box.
10) Connect negative (–) cable at battery.
11) Turn ignition switch to ON position and verify that
“AIR BAG” warning light flashes 6 times and then
turns OFF. If it does not operate as described,
perform “Air Bag Diagnostic System Check”.
SDM Removal and InstallationS6RW0D8206003
WARNING!
During service procedures, be very careful
when handling a Sensing and Diagnostic
Module (SDM).
Be sure to read “Precautions on Service and
Diagnosis of Air Bag System” before starting
to work and observe every precaution during
work. Neglecting them may result in personal
injury or inactivation of the air bag system
when necessary.

Removal
1) Disconnect negative (–) cable at battery.
2) Disable air bag system referring to “Disabling Air
Bag System”.
3) Remove console box referring to “Console Box
Components in Section 9H”.
4) Remove G sensor referring to “G Sensor Removal
and Installation (4WD Model) in Section 4E” and its
bracket (1).
5) Disconnect SDM connector (1) from SDM (2).
6) Remove SDM (2) from vehicle.
1
I5JB0A820070-01
1
I5RW0A820063-01
2. SDM
A: Forward
1
2
I5RW0A820064-01
2
1
A
I4RS0A820056-01

Downloaded from www.Manualslib.com manuals search engine 9-ii Table of Contents
B-9 Keyless Start System Circuit Diagram...... 9A-103
C-1 Combination Meter Circuit Diagram
(Meter) .......................................................... 9A-104
C-2 Combination Meter Circuit Diagram
(Indicator) ...................................................... 9A-105
C-3 Combination Meter Circuit Diagram
(Warning Light) ............................................. 9A-106
D-1 Headlight System Circuit Diagram
(Except Taiwan) ............................................ 9A-108
D-1 Headlight System Circuit Diagram
(Taiwan) ........................................................ 9A-110
D-2 Position, Tail and Licence Plate Light
System Circuit Diagram (Except Taiwan) ..... 9A-111
D-2 Position, Tail and Licence Plate Light
System Circuit Diagram (Taiwan) ................. 9A-112
D-3 Front Fog Light System Circuit Diagram
(Except Taiwan) ............................................ 9A-113
D-3 Front Fog Light System Circuit Diagram
(Taiwan) ........................................................ 9A-114
D-4 Illumination Light System Circuit Diagram
(Except Taiwan) ............................................ 9A-115
D-4 Illumination Light System Circuit Diagram
(Taiwan) ........................................................ 9A-116
D-5 Interior Light System Circuit Diagram
(Except Taiwan) ............................................ 9A-117
D-5 Interior Light System Circuit Diagram
(Taiwan) ........................................................ 9A-118
D-6 Turn Signal and Hazard Warning Light
System Circuit Diagram (Except Taiwan) ..... 9A-119
D-6 Turn Signal and Hazard Warning Light
System Circuit Diagram (Taiwan) ................. 9A-121
D-7 Brake Light System Circuit Diagram ........ 9A-123
D-8 Back-Up Light System Circuit Diagram .... 9A-124
D-9 Headlight Beam Leveling System Circuit
Diagram (Manual Leveling)........................... 9A-125
D-10 Rear Fog Light Circuit Diagram .............. 9A-126
E-1 Heater System Circuit Diagram ................ 9A-127
E-2 Auto A/C System Circuit Diagram ............ 9A-129
F-1 Air-Bag System Circuit Diagram (4ch) ...... 9A-131
F-1 Air-Bag System Circuit Diagram (8ch) ...... 9A-132
F-2 Anti-Lock Brake System Circuit Diagram.. 9A-134
F-4 Power Steering System Circuit Diagram .. 9A-136
G-1 Audio System Circuit Diagram ................. 9A-138
G-2 Multi Information Display / Accessory
Socket System Circuit Diagram .................... 9A-140
G-4 Navigation System Circuit Diagram ......... 9A-141
List of Connector .............................................9A-143
List of Connectors ........................................... 9A-143
C Connector .................................................... 9A-143
E Connector .................................................... 9A-145
G Connector .................................................... 9A-146
J Connector ..................................................... 9A-149
K Connector .................................................... 9A-149
L Connector..................................................... 9A-150
O Connector .................................................... 9A-152
Q Connector (8ch)........................................... 9A-152
R Connector .................................................... 9A-152
S Connector .................................................... 9A-152
Lighting Systems .................................... 9B-1
Precautions ...........................................................9B-1
Precautions for Discharge Headlight Service
(If Equipped)...................................................... 9B-1
Precautions in Diagnosing Troubles
(Headlight Auto Leveling System) ..................... 9B-1
General Description .............................................9B-1
Discharge Headlight Description (If
Equipped) .......................................................... 9B-1
Headlight Auto Leveling System Description
(If Equipped)...................................................... 9B-2
Auto-On Headlight System Description (If
Equipped) .......................................................... 9B-4
Schematic and Routing Diagram ........................9B-5
Headlight Auto Leveling System Wiring
Circuit Diagram ................................................. 9B-5
Component Location ...........................................9B-6
Lighting System Components Location............... 9B-6
Interior Light System Location............................. 9B-7
Diagnostic Information and Procedures ............9B-7
Self-Diagnosis Function for Headlight Auto
Leveling System ................................................ 9B-7
Headlight Leveling Warning Light Check ............ 9B-8
Headlight Symptom Diagnosis (Discharge
Headlight Model) ............................................... 9B-8
Headlight Symptom diagnosis (Other than
Discharge Headlight Model) .............................. 9B-9
Auto-On Headlight System Symptom
Diagnosis (If Equipped) ..................................... 9B-9
DRL System Symptom Diagnosis (If
Equipped) ........................................................ 9B-10
Headlight Auto Leveling System Symptom
Diagnosis (If Equipped) ................................... 9B-10
Headlight Manual Leveling System Symptom
Diagnosis (If Equipped) ................................... 9B-10
Turn Signal and Hazard Warning Light
Symptom Diagnosis ........................................ 9B-11
Clearance, Tail and License Plate Light
Symptom Diagnosis ........................................ 9B-11
Back-Up Light Symptom Diagnosis................... 9B-12
Brake Light Symptom Diagnosis ....................... 9B-12
Front Fog Light Symptom Diagnosis (If
Equipped) ........................................................ 9B-12
Rear Fog Light Symptom Diagnosis (If
Equipped) ........................................................ 9B-12
Illumination Cancel System Symptom
Diagnosis (If Equipped) ................................... 9B-13
Interior Light Symptom Diagnosis ..................... 9B-13
DRL Operation Inspection (If Equipped) ........... 9B-13
Inspection of DRL Controller and Its Circuits
(If Equipped).................................................... 9B-13
Auto-On Headlight Operation Inspection (If
Equipped) ........................................................ 9B-15
Inspection of Auto-On Headlight Controller
and Its Circuit (If Equipped)............................. 9B-15
Inspection of Headlight Leveling Control
Module and Its Circuit (Headlight Auto
Leveling System)............................................. 9B-16
Repair Instructions ............................................9B-18
Headlight Housing Removal and Installation .... 9B-18

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Body, Cab and Accessories
Wiring Systems
Precautions
Cautions in Body Electrical System ServicingS6RW0D9100001
When servicing the electric systems, observe the cautions described in “Air Bag Warning in Section 00” to protect
electrical parts and to prevent a fire.
General Description
AbbreviationsS6RW0D9101001
Refer to the “Abbreviations in Section 0A” for the general abbreviations.
ESP
® is a registered trademark of Daimler Chrysler AG.
Wire / Connector Color SymbolsS6RW0D9101002
Refer to “Wire Color Symbols in Section 0A”. Abbreviation Full term Abbreviation Full term
2WD 2 wheel drive vehicles J/B Junction block
4WD 4 wheel drive vehicles J/C Joint connector
A/B Air bag KLS Keyless start system
ACC Accessory L Left
CAN Controller area network LED Light emitting diode
COMB Combination LHD Left hand drive vehicle
DSL Diesel engine LO Low
ELCM EVAP leak check module OCV Oil control valve
ESP
®Electronic stability program P/N Power normal
FWD Forward R Right
HI High RHD Right hand drive vehicle
IF EQPD If equipped ST Starter
IG COIL Ignition coil TPMS Tire pressure monitoring system
ILL Illumination VIM Valiable intake manifold
IND Indicator VSV Vacuum switching valve
INT Intermittent 5 dr 5 door

Downloaded from www.Manualslib.com manuals search engine Lighting Systems: 9B-8
Headlight Leveling Warning Light CheckS6RW0D9204015
1) Turn ignition switch to ON position.
2) Check that headlight leveling warning light (1) lights for about 2 seconds and then goes OFF. If the headlight
leveling warning light lights up again 10 seconds after it turned off, go to “Headlight Auto Leveling System
Symptom Diagnosis (If Equipped)”. If headlight leveling warning light flashes, go to “Initialization of Headlight Auto
Leveling System”.
Headlight Symptom Diagnosis (Discharge Headlight Model)S6RW0D9204016
1
I6RW0C920009-01
Condition Possible cause Correction / Reference Item
Only one low beam does
not light upCircuit fuse blownReplace fuse and check for short circuit.
Headlight low beam relay faultyCheck headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Bulb faultyReplace bulb.
Igniter faultyReplace igniter.
Ballast faultyReplace ballast.
Wiring or ground faultyRepair circuit.
Low beam does not light
upCircuit fuses blownReplace fuses and check for short circuit.
Headlight low beam relay faultyCheck headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faultyCheck lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs faultyReplace bulbs.
Igniters faultyReplace igniters.
Ballasts faultyReplace ballasts.
Wiring or ground faultyRepair circuit.
Only one high beam does
not light upCircuit fuse blownReplace fuse and check for short circuit.
Headlight high beam relay faultyCheck headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Bulb blownReplace bulb.
Wiring or ground faultyRepair circuit.
High beam does not light
upCircuit fuses blownReplace fuses and check for short circuit.
Headlight high beam relay faultyCheck headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faultyCheck lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs blownReplace bulbs.
Wiring or ground faultyRepair circuit.

Downloaded from www.Manualslib.com manuals search engine 9B-9 Lighting Systems:
Headlight Symptom diagnosis (Other than Discharge Headlight Model)S6RW0D9204017
Auto-On Headlight System Symptom Diagnosis (If Equipped)S6RW0D9204018
Condition Possible cause Correction / Reference Item
Only one low beam does
not light upCircuit fuse blownReplace fuse and check for short circuit.
Bulb blownReplace bulb.
Headlight low beam relay faulty (if
equipped)Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Wiring or ground faultyRepair circuit.
Low beam does not light
upCircuit fuse blownReplace fuses and check for short circuit.
Headlight low beam relay faulty (if
equipped)Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faultyCheck lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs blownReplace bulbs.
Wiring or ground faultyRepair circuit.
DRL controller faulty (if equipped)Check system referring to “Inspection of DRL
Controller and Its Circuits (If Equipped)”.
Only one high beam does
not light upCircuit fuse blownReplace fuse and check for short circuit.
Bulb blownReplace bulb.
Headlight high beam relay faulty (if
equipped)Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Wiring or ground faultyRepair circuit.
High beam does not light
upCircuit fuse blownReplace fuses and check for short circuit.
Headlight high beam relay faulty (if
equipped)Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faultyCheck lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs blownReplace bulbs.
Wiring or ground faultyRepair circuit.
Condition Possible cause Correction / Reference Item
Headlights are not turned
ON or OFF automatically
even after darkened or
lightenedCircuit fuse blownReplace fuse and check for short circuit.
Lighting or dimmer switch faultyCheck lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Auto-on headlight sensor faultyCheck auto-on headlight sensor referring to
“Auto-On Headlight Sensor Inspection (If
Equipped)”.
Wiring or ground faultyRepair circuit.
Auto-on headlight controller faultyCheck auto-on headlight controller for function
referring to “Inspection of Auto-On Headlight
Controller and Its Circuit (If Equipped)”.

Downloaded from www.Manualslib.com manuals search engine Lighting Systems: 9B-10
DRL System Symptom Diagnosis (If Equipped)S6RW0D9204002
Headlight Auto Leveling System Symptom Diagnosis (If Equipped)S6RW0D9204019
Headlight Manual Leveling System Symptom Diagnosis (If Equipped)S6RW0D9204003
Condition Possible cause Correction / Reference Item
Headlight does not light
when lighting switch is in
OFF position and engine
is runningLighting switch faultyCheck lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection”.
Oil pressure switch faultyCheck oil pressure switch referring to “Oil
Pressure Switch Inspection in Section 9C”.
DRL controller faultyCheck lighting switch referring to “Inspection of
DRL Controller and Its Circuits (If Equipped)”.
Wiring or grounding faultyRepair circuit.
Headlight lights even if
engine stop and lighting
switch is OFF positionLighting switch faultyCheck system referring to “Headlight Switch (in
Lighting Switch) Inspection”.
Oil pressure switch faultyCheck oil pressure switch referring to “Oil
Pressure Switch Inspection in Section 9C”.
DRL controller faultyCheck system referring to “Inspection of DRL
Controller and Its Circuits (If Equipped)”.
Wiring or grounding faultyRepair circuit.
Condition Possible cause Correction / Reference Item
Headlight leveling
warning light comes on
steadyHeight sensor faultyCheck height sensor referring to “Height
Sensor and Its Circuit Inspection (If
Equipped)”.
Wiring or ground faultyRepair circuit.
Headlight leveling control module faultyCheck headlight leveling control module for
function referring to “Inspection of Headlight
Leveling Control Module and Its Circuit
(Headlight Auto Leveling System)”.
Optical axes of both
headlights do not changeCircuit fuse blownReplace fuse and check for short circuit.
Supply voltage too low or too highCheck charging system referring to “Generator
Test (Undercharged Battery Check) in Section
1J” or “Generator Test (Overcharged Battery
Check) in Section 1J”.
Wiring or ground faultyRepair circuit.
Headlight leveling control module faultyCheck headlight leveling control module for
function referring to “Inspection of Headlight
Leveling Control Module and Its Circuit
(Headlight Auto Leveling System)”.
Optical axis of only one
headlight does not
changeHeadlight levering actuator faultyCheck actuator referring to “Headlight Leveling
Actuator Inspection (If Equipped)”.
Headlight housing deformedReplace headlight housing.
Wiring or ground faultyRepair circuit.
Condition Possible cause Correction / Reference Item
Optical axes of both
headlights do not changeCircuit fuse blownReplace fuse and check for short circuit.
Headlight leveling switch faultyCheck headlight leveling switch referring to
“Headlight Manual Levering Switch Inspection
(If Equipped)”.
Supply voltage too lowCheck charging system referring to “Generator
Test (Undercharged Battery Check) in Section
1J”.
Wiring or grounding faultyRepair circuit.
Optical axis of only one
headlight does not
changeCircuit fuse blownReplace fuse and check for short circuit.
Headlight leveling actuator faultyCheck actuator referring to “Headlight Leveling
Actuator Inspection (If Equipped)”.
Headlight housing deformedReplace headlight housing.
Wiring or grounding faultyRepair circuit.