Defogger SUZUKI SX4 2006 1.G Service User Guide

Downloaded from www.Manualslib.com manuals search engine 7B-78 Air Conditioning System: Automatic Type
G20-25 PNK Sunload sensor signalApprox. 3.5 VIgnition switch turned ON, amount of insolation is
500 W/m2
Approx. 5 VIgnition switch turned ON, amount of insolation is 0
W/m2
G20-26 BLK/RED Rear defogger indicator0 – 1 V Ignition switch turned ON, rear defogger switch OFF
10 – 14 V Ignition switch turned ON, rear defogger switch ON
G20-27 YELTemperature control
actuator position sensor
signalApprox. 0.5 VIgnition switch turned ON, temperature selector
“MAX COOL” position
Approx. 4.5 VIgnition switch turned ON, temperature selector
“MAX HOT” position
G20-28 WHT/BLUAir flow control actuator
position sensor signalApprox. 0.5 VIgnition switch turned ON, air flow selector “FACE”
position
Approx. 4.5 VIgnition switch turned ON, air flow selector “DEF”
position
G20-29 GRY Blower motor controller0 – 1 VIgnition switch turned ON, blower speed selector
OFF position
2 – 3.5 VIgnition switch turned ON, blower speed selector
between 1st and 6th position
Approx. 10.0
VIgnition switch turned ON, blower speed selector 7th
and HIGH position
G20-30 BLU/REDBlower motor control
voltage feedback10 – 14 VIgnition switch turned ON, blower speed selector
OFF position
Approx. 8.1 VIgnition switch turned ON, blower speed selector 1st
position
Approx. 6.8 VIgnition switch turned ON, blower speed selector 2nd
position
Approx. 5.5 VIgnition switch turned ON, blower speed selector 3rd
position
Approx. 4.0 VIgnition switch turned ON, blower speed selector 4th
position
Approx. 2.6 VIgnition switch turned ON, blower speed selector 5th
position
Approx. 1.2 VIgnition switch turned ON, blower speed selector 6th
position
Approx. 0.2 VIgnition switch turned ON, blower speed selector 7th
and HIGH position Terminal Wire Color CircuitNormal
Vo l ta g eCondition

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Automatic Type 7B-79
Reference waveform No. 1
Rear defogger switch or A/C switch signal (1)Reference waveform No. 2
Serial communication line of BCM (1)
A/C System Inspection at ECMS6RW0D7224030
When checking voltage at ECM terminals related to A/C system, refer to “Inspection of ECM and Its Circuits in Section
1A”.
Repair Instructions
Operation Procedure for Refrigerant ChargeS6RW0D7226001
Refer to “Operation Procedure for Refrigerant Charge”.Measurement terminal Rear defogger switch
CH1: “G20-4” to “G20-23” A/
C switch
CH1: “G20-21” to “G20-23”
Oscilloscope setting CH1: 5 V / DIV
TIME: 10 ms / DIV
Measurement condition Rear defogger switch:
• Ignition switch is at ON
position and rear defogger
switch is not pushed
A/C switch:
• Ignition switch is at ON
position and A/C switch is
not pushed
I7RW01722014-02
Measurement terminal CH1: “G20-13” to “G20-23”
Oscilloscope setting CH1: 5 V / DIV
TIME: 20 ms / DIV
Measurement condition Ignition switch is at ON
position
I7RW01722015-02

Downloaded from www.Manualslib.com manuals search engine Table of Contents 9- i
9
Section 9
CONTENTS
Body, Cab and Accessories
Precautions ................................................. 9-1
Precautions............................................................. 9-1
Precautions on Body, Cab and Accessories ......... 9-1
Precautions for Body Service ................................ 9-1
Fastener Caution for Body Service ....................... 9-1
Wiring Systems........................................ 9A-1
Precautions........................................................... 9A-1
Cautions in Body Electrical System Servicing..... 9A-1
General Description ............................................. 9A-1
Abbreviations ...................................................... 9A-1
Wire / Connector Color Symbols ......................... 9A-1
Symbols and Marks ............................................ 9A-2
How to Read Connector Layout Diagram ........... 9A-4
How to Read Connector Codes and Terminal
Nos.................................................................... 9A-5
How to Read Ground Point ................................. 9A-8
How to Read Power Supply Diagram.................. 9A-9
How to Read System Circuit Diagram................. 9A-9
Connector Layout Diagram ............................... 9A-11
Connector Layout Diagram ............................... 9A-11
Engine Compartment ........................................ 9A-11
Instrument Panel ............................................... 9A-19
Door, Roof......................................................... 9A-25
Floor .................................................................. 9A-28
Rear .................................................................. 9A-32
Ground Point ...................................................... 9A-33
Ground (earth) Point ......................................... 9A-33
Power Supply Diagram ...................................... 9A-34
Power Supply Diagram ..................................... 9A-34
Fuses and the Protected Parts ......................... 9A-36
Fuses in Main Fuse Box ................................... 9A-36
Individual Circuit Fuse Box No. 1 ...................... 9A-37
Individual Circuit Fuse Box No. 2 (In J/B
(Except Taiwan)) ............................................. 9A-38
Individual Circuit Fuse Box No. 2 (In J/B
(Taiwan)) ......................................................... 9A-40
Junction Block (J/B) Connector / Fuse Layout .. 9A-42
Junction Block Inner Circuit (Overview
(Except Taiwan)) ............................................. 9A-43
Junction Block Inner Circuit (Detail (Except
Taiwan)) .......................................................... 9A-45
Junction Block Inner Circuit (Overview
(Taiwan)) ......................................................... 9A-50Junction Block Inner Circuit (Detail (Taiwan)) ... 9A-52
System Circuit Diagram.....................................9A-57
System Circuit Diagram .................................... 9A-57
A-1 Cranking System Circuit Diagram .............. 9A-58
A-2 Charging System Circuit Diagram .............. 9A-59
A-3 Ignition System Circuit Diagram (M15A
engine, M16A engine) ..................................... 9A-60
A-3 Ignition System Circuit Diagram (J20A
engine) ............................................................ 9A-61
A-4 Cooling System Circuit Diagram (M15A
engine, M16A engine) ..................................... 9A-62
A-4 Cooling System Circuit Diagram (J20A
engine) ............................................................ 9A-63
A-5 Engine and A/C Control System Circuit
Diagram (M15A engine) .................................. 9A-64
A-5 Engine and A/C Control System Circuit
Diagram (M16A engine) .................................. 9A-68
A-5 Engine and A/C Control System Circuit
Diagram (J20A engine) ................................... 9A-72
A-6 A/T Control System Circuit Diagram........... 9A-76
A-7 Immobilizer System Circuit Diagram .......... 9A-78
A-8 Body Control System Circuit Diagram
(Except Taiwan) .............................................. 9A-79
A-8 Body Control System Circuit Diagram
(Taiwan) .......................................................... 9A-83
A-10 4WD Control System (Except Taiwan) ..... 9A-87
B-1 Windshield Wiper and Washer Circuit
Diagram........................................................... 9A-88
B-2 Rear Wiper and Washer Circuit Diagram
(Except Taiwan) .............................................. 9A-89
B-2 Rear Wiper and Washer Circuit Diagram
(Taiwan) .......................................................... 9A-90
B-3 Rear Defogger Circuit Diagram (Except
Taiwan) ........................................................... 9A-91
B-3 Rear Defogger Circuit Diagram (Taiwan) ... 9A-92
B-4 Power Window Circuit Diagram .................. 9A-93
B-5 Power Door Lock Circuit Diagram (Except
Taiwan) ........................................................... 9A-95
B-5 Power Door Lock Circuit Diagram
(Taiwan) .......................................................... 9A-97
B-6 Power Mirror Circuit Diagram (Except
Taiwan) ........................................................... 9A-99
B-6 Power Mirror Circuit Diagram (Taiwan) .... 9A-100
B-7 Horn Circuit Diagram ................................ 9A-101
B-8 Seat Heater Circuit Diagram..................... 9A-102

Downloaded from www.Manualslib.com manuals search engine 9-iv Table of Contents
Front Speaker Removal and Installation (If
Equipped) ........................................................9C-19
Rear Speaker Removal and Installation (If
Equipped) ........................................................9C-19
GPS Antenna Removal and Installation (If
Equipped) ........................................................9C-20
Horn Removal and Installation ..........................9C-20
Horn Inspection .................................................9C-20
Horn Relay Inspection .......................................9C-20
Antenna Base Removal and Installation ...........9C-21
Remote Audio Control Switch Removal and
Installation (If Equipped) .................................9C-21
Remote Audio Control Switch Inspection (If
Equipped) ........................................................9C-22
Vehicle Speed Signal Inspection (For Audio
Unit) (If Equipped) ...........................................9C-22
Specifications .....................................................9C-22
Tightening Torque Specifications ......................9C-22
Wipers / Washers .................................... 9D-1
Diagnostic Information and Procedures ............ 9D-1
Front Wiper and Washer Symptom Diagnosis ....9D-1
Rear Wiper and Washer Symptom Diagnosis..... 9D-1
Repair Instructions ..............................................9D-2
Wipers and Washers Components .....................9D-2
Washer Tank and Washer Pump Removal
and Installation ..................................................9D-3
Washer Pump Inspection ....................................9D-3
Windshield Wiper Removal and Installation ........9D-3
Windshield Wiper Motor Inspection.....................9D-4
Rear Wiper Removal and Installation.................. 9D-6
Rear Wiper Motor Inspection ..............................9D-7
Windshield Wiper and Washer Switch
Removal and Installation ................................... 9D-8
Windshield Wiper and Washer Switch
Inspection .......................................................... 9D-8
Rear Wiper and Washer Switch Removal and
Installation .......................................................9D-10
Rear Wiper and Washer Switch Inspection.......9D-10
Rear Wiper Relay Removal and Installation .....9D-10
Rear Wiper Relay Inspection ............................9D-10
Specifications .....................................................9D-11
Tightening Torque Specifications ......................9D-11
Glass / Windows / Mirrors .......................9E-1
Precautions........................................................... 9E-1
Precautions for Power Window Service
(Pinching Prevention Function Model) .............. 9E-1
General Description ............................................. 9E-1
Rear End Door Window Defogger System
Description ........................................................ 9E-1
Schematic and Routing Diagram ........................ 9E-2
Power Window Circuit Diagram (Pinching
Prevention Function Model) .............................. 9E-2
Diagnostic Information and Procedures ............ 9E-3
Rear End door Window Defogger Symptom
Diagnosis .......................................................... 9E-3
Power Window Control System Symptom
Diagnosis .......................................................... 9E-3Inspection of Pinching Prevention Function
(Pinching Prevention Function Model) .............. 9E-4
Power Door Mirror Control System Symptom
Diagnosis .......................................................... 9E-4
Door Mirror Heater Symptom Diagnosis (If
Equipped) .......................................................... 9E-5
Repair Instructions .............................................. 9E-5
Windshield Components ..................................... 9E-5
Windshield Removal and Installation .................. 9E-6
Front Pillar Window Components...................... 9E-10
Front Pillar Window Removal and Installation... 9E-10
Rear Quarter Window Components .................. 9E-11
Rear Quarter Window Removal and
Installation ....................................................... 9E-11
Rear End Door Window Components ............... 9E-12
Rear End Door Glass Removal and
Installation ....................................................... 9E-12
Front Door Window Components ...................... 9E-13
Front Door Glass Removal and Installation ...... 9E-14
Front Door Window Regulator Removal and
Installation ....................................................... 9E-15
Front Door Window Regulator Inspection ......... 9E-15
Rear Door Window Components ...................... 9E-16
Rear Door Glass Removal and Installation ....... 9E-16
Rear Door Window Regulator Removal and
Installation ....................................................... 9E-18
Rear Door Window Regulator Inspection .......... 9E-18
Rear End Door Window Defogger Switch
Inspection ........................................................ 9E-18
Rear End Door Window Defogger Relay
Inspection ........................................................ 9E-19
Rear End Door Window Defogger Wire
Inspection ........................................................ 9E-19
Rear End Door Window Defogger Wire
Repair.............................................................. 9E-20
Power Window Main Switch Inspection ............ 9E-20
Power Window Sub Switch Inspection .............. 9E-22
Pulse Sensor and Its Circuit Inspection
(Pinching Prevention Function Model) ............ 9E-23
Power Window Main Switch Initialization
(Pinching Prevention Function Model) ............ 9E-24
Door Mirror Components................................... 9E-24
Door Mirror Removal and Installation................ 9E-25
Power Door Mirror Switch Inspection ................ 9E-25
Power Door Mirror Actuator Inspection ............. 9E-25
Door Mirror Heater Inspection (If Equipped) ..... 9E-26
Door Mirror Heater Switch Inspection (If
Equipped) ........................................................ 9E-26
Special Tools and Equipment ........................... 9E-26
Recommended Service Material ....................... 9E-26
Security and Locks...................................9F-1
General Description ............................................. 9F-1
Key Coding Construction .................................... 9F-1
Rear End Door Opener System Description ....... 9F-1
Component Location ........................................... 9F-2
Power Door Lock and Keyless Entry System
Component Location (If Equipped) ................... 9F-2
Diagnostic Information and Procedures ............ 9F-3

Downloaded from www.Manualslib.com manuals search engine 9A-3 Wiring Systems:
Ignition switch Keyless entry Immobilizer system Combination meter Lighting switch
Headlight leveling Hazard warning light Front fog light Rear fog light Spark plug
Radiator fan Fuel pump Injector XX control module Windshield wiper
Windshield washer Rear wiper Rear washer Rear defogger Power window
Power door lock Power mirror A/B Pretensioner Passenger side
Driver side Seat heater A/C Power steering Side air-bag (R)
Side air-bag (L) Side curtain air-bag (R) Side curtain air bag (L) Glow plug
I2RH01910912-01I3JA01910902-01I5RH01910901-01I2RH01910915-01I2RH01910916-01
I3JA01910904-01I3JA01910905-01I3JA01910906-01I3JA01910907-01I2RH01910921-01
I2RH01910922-01I3JA01910908-01I5RW0A910987-01
XX
Cont M
I2RH01910925-01I3JA01910909-01
I3JA01910910-01I3JA01910911-01I3JA01910912-01I2RH01910930-01I3JA01910913-01
I3JA01910914-01I3JA01910915-01I3JA01910916-01I3JA01910917-01I3JA01910918-01
I3JA01910919-01I2RH01910938-01I3JA01910920-01I3JA01910921-01I4JA01910901-01
I4JA01910902-01I5RS0A910958-01I5RS0A910959-01
I5RW0A910986-01

Downloaded from www.Manualslib.com manuals search engine Wiring Systems: 9A-32
RearS6RW0D910A006
O: Rear end door harness, High mounted stop light wire, Rear end door antenna wire
O: Rear end door harness
O: High mounted stop light wire
O: Rear end door antenna wire
23
O231
(TO L390)
O232
(TO L391)
O181
O240
(TO L410)
O94
O122
O121
O95
O21
O92O187O186O182O233
(TO L393)
O
High mounted stop light wire Rear end door antenna wire
I6RW0C910916-01
No./Color Connective position No./Color Connective position
O21/N Rear wiper motor O181/BLK Rear defogger (+)
O94/N License plate light #1O182/BLK Rear defogger (–)
O95/N License plate light #2 O231/N Floor harness (To L390)
O121/N Rear end door switchO232/N (IF
EQPD)Floor harness (To L391)
O122/N Rear end door request switch
No./Color Connective position No./Color Connective position
O92/N High mounted stop light O233/N Floor harness (To L393)
No./Color Connective position No./Color Connective position
O186/BLK (IF
EQPD)TV antenna #3O240/GRY (IF
EQPD)Floor antenna wire (To L410)
O187/BLK (IF
EQPD)TV antenna #4

Downloaded from www.Manualslib.com manuals search engine 9A-39 Wiring Systems:
30 A WIPCOMB switch
Windshield washer motor
Windshield wiper motor
Rear wiper relay
DRL controller
10 A IG1 SIGPower steering control module
A/T relay
Brake light switch
15 A A/B A/B SDM
10 A ABSABS control module
G sensor
10 A TAILCOMB switch
DRL controller
15 A STOP Brake light switch
20 A D/L BCM
15 A 4WD 4WD control module
10 A ST SIG Starting motor relay
15 A S/HSeat heater switch (Driver side)
Seat heater switch (Passenger side)
10 A IG2 SIG Blower fan relay
15 A RR FOG COMB switch
15 A DOMEAudio
BCM
COMB meter
DLC
ECM
Interior light
ICM
TCM
Rear interior light
Luggage compartment light
Main switch (Key switch)
Multi information display
KLS ECM
30 A RR DEFRear defogger relay
Mirror motor (R)
Mirror motor (L)
15 A HORN-HAZHorn relay
Flasher relay
BLANK BLANK BLANK
BLANK BLANK BLANK
30 A P/WPower window main switch
Front power window sub switch
Rear power window sub switch (R)
Rear power window sub switch (L) No. Fuse Description on the cover Protected circuit

Downloaded from www.Manualslib.com manuals search engine 9A-41 Wiring Systems:
10 A ABSABS control module
G sensor
BLANK BLANK BLANK
15 A STOP Brake light switch
20 A D/L BCM
BLANK BLANK BLANK
10 A ST SIG Starting motor relay
BLANK BLANK BLANK
10 A IG2 SIG Blower fan relay
10 A TAIL Tail light relay
15 A DOMEAudio
BCM
COMB meter
DLC
ECM
Interior light
ICM
TCM
Rear interior light
Luggage compartment light
Main switch (Key switch)
Multi information display
KLS ECM
30 A RR DEFRear defogger relay
Mirror motor (R)
Mirror motor (L)
15 A HORN-HAZHorn relay
Flasher relay
BLANK BLANK BLANK
BLANK BLANK BLANK
30 A P/WPower window main switch
Front power window sub switch
Rear power window sub switch (R)
Rear power window sub switch (L) No. Fuse Description on the cover Protected circuit

Downloaded from www.Manualslib.com manuals search engine 9A-57 Wiring Systems:
System Circuit Diagram
System Circuit DiagramS6RW0D910E001
Refer to “A-1 Cranking System Circuit Diagram”.
Refer to “A-2 Charging System Circuit Diagram”.
Refer to “A-3 Ignition System Circuit Diagram (M15A engine, M16A engine)”.
Refer to “A-3 Ignition System Circuit Diagram (J20A engine)”.
Refer to “A-4 Cooling System Circuit Diagram (M15A engine, M16A engine)”.
Refer to “A-4 Cooling System Circuit Diagram (J20A engine)”.
Refer to “A-5 Engine and A/C Control System Circuit Diagram (M15A engine)”.
Refer to “A-5 Engine and A/C Control System Circuit Diagram (M16A engine)”.
Refer to “A-5 Engine and A/C Control System Circuit Diagram (J20A engine)”.
Refer to “A-6 A/T Control System Circuit Diagram”.
Refer to “A-7 Immobilizer System Circuit Diagram”.
Refer to “A-8 Body Control System Circuit Diagram (Except Taiwan)”.
Refer to “A-8 Body Control System Circuit Diagram (Taiwan)”.
Refer to “A-10 4WD Control System (Except Taiwan)”
Refer to “B-1 Windshield Wiper and Washer Circuit Diagram”.
Refer to “B-2 Rear Wiper and Washer Circuit Diagram (Except Taiwan)”.
Refer to “B-2 Rear Wiper and Washer Circuit Diagram (Taiwan)”.
Refer to “B-3 Rear Defogger Circuit Diagram (Except Taiwan)”.
Refer to “B-3 Rear Defogger Circuit Diagram (Taiwan)”.
Refer to “B-4 Power Window Circuit Diagram”.
Refer to “B-5 Power Door Lock Circuit Diagram (Except Taiwan)”.
Refer to “B-5 Power Door Lock Circuit Diagram (Taiwan)”.
Refer to “B-6 Power Mirror Circuit Diagram (Except Taiwan)”.
Refer to “B-6 Power Mirror Circuit Diagram (Taiwan)”.
Refer to “B-7 Horn Circuit Diagram”.
Refer to “B-8 Seat Heater Circuit Diagram”.
Refer to “B-9 Keyless Start System Circuit Diagram”
Refer to “C-1 Combination Meter Circuit Diagram (Meter)”.
Refer to “C-2 Combination Meter Circuit Diagram (Indicator)”.
Refer to “C-3 Combination Meter Circuit Diagram (Warning Light)”.
Refer to “D-1 Headlight System Circuit Diagram (Except Taiwan)”.
Refer to “D-1 Headlight System Circuit Diagram (Taiwan)”.
Refer to “D-2 Position, Tail and Licence Plate Light System Circuit Diagram (Except Taiwan)”.
Refer to “D-2 Position, Tail and Licence Plate Light System Circuit Diagram (Taiwan)”.
Refer to “D-3 Front Fog Light System Circuit Diagram (Except Taiwan)”.
Refer to “D-3 Front Fog Light System Circuit Diagram (Taiwan)”.
Refer to “D-4 Illumination Light System Circuit Diagram (Except Taiwan)”.
Refer to “D-4 Illumination Light System Circuit Diagram (Taiwan)”.
Refer to “D-5 Interior Light System Circuit Diagram (Except Taiwan)”.
Refer to “D-5 Interior Light System Circuit Diagram (Taiwan)”.
Refer to “D-6 Turn Signal and Hazard Warning Light System Circuit Diagram (Except Taiwan)”.
Refer to “D-6 Turn Signal and Hazard Warning Light System Circuit Diagram (Taiwan)”.
Refer to “D-7 Brake Light System Circuit Diagram”.
Refer to “D-8 Back-Up Light System Circuit Diagram”.
Refer to “D-9 Headlight Beam Leveling System Circuit Diagram (Manual Leveling)”.
Refer to “D-10 Rear Fog Light Circuit Diagram”.
Refer to “E-1 Heater System Circuit Diagram”.
Refer to “E-2 Auto A/C System Circuit Diagram”.
Refer to “F-1 Air-Bag System Circuit Diagram (4ch)”.
Refer to “F-1 Air-Bag System Circuit Diagram (8ch)”.
Refer to “F-2 Anti-Lock Brake System Circuit Diagram”.
Refer to “F-4 Power Steering System Circuit Diagram”.
Refer to “G-1 Audio System Circuit Diagram”.
Refer to “G-2 Multi Information Display / Accessory Socket System Circuit Diagram”.
Refer to “G-4 Navigation System Circuit Diagram”.

Downloaded from www.Manualslib.com manuals search engine 9A-91 Wiring Systems:
B-3 Rear Defogger Circuit Diagram (Except Taiwan)S6RW0D910E045
L390
O2313
O231
L3902
BLK/RED
O181
1
O182
1
2321
4 32
1
30ARR
DEF
38
Relay
GRN/YEL
G0417
G2717
BLK/REDBLK/RED
L3148
REAR
DEF
Mode control
switch
BLK/ORN
13
BLK/ORN
G309
J/CA
A
BLKBLKBLK
G154
G20
J/B
GYBR
J/B side connector (BCM)
Manual A/C
Auto A/C ABC
BCM
B
C
B
Auto
unit C
18A
7
26BC
9
23BC
8
4BC
I6RW0C910962-01