2008 SUZUKI SWIFT Fog

Downloaded from www.Manualslib.com manuals search engine 7A-6 Heater and Ventilation:
Blower Motor Relay InspectionS7RS0B7106007
1) Remove junction block assembly referring to “BCM (Included in Junction Block Assembly) Removal and
Installation in Section 10B”.
2) Disconnect blower motor relay (1) from junction block assembly (2).
3) Check that there is no continuity between terminal “C” and “D”. If there is continuity, replace relay.
4) Connect battery positive (+ ) terminal to terminal “B”
of relay. Connect battery negative (–) terminal “A” of
relay.
Check continuity between terminal “C” and “D”.
If there is no continuity wh en relay is connected to
the battery, replace relay.
HVAC Control Unit ComponentsS7RS0B7106008
“D”
“B” “A”
“C”
1
2
I4RS0B710008-01
45
61
7
10
9
238
I4RS0B710009-01
1. Heater control body assembly 4. Bulb 7. Air intake selector10. Rear defogger switch (if equipped)
2. Air flow selector 5. Temperature control cable 8. Temperature selector
3. Blower speed selector 6. Air flow control cable9. A/C switch (if equipped)

Downloaded from www.Manualslib.com manuals search engine Heater and Ventilation: 7A-11
Side Ventilation Louver Removal and
Installation
S7RS0B7106015
Driver side ventilation louver
Removal1) Disconnect negative (–) cable from battery.
2) Disable air bag system referring to “Disabling Air Bag System in Section 8B”.
3) Remove steering column hol e cover from instrument
panel.
4) Remove combination meter cluster panel from instrument panel, and then disconnect connectors
from front fog lamp switch, illumination cancel switch
and headlight leveling switch (if equipped) of
combination meter cluster panel.
5) Separate driver side ventilation louver (1) and combination meter cluster (2).
Installation
Reverse removal procedure noting the following
instruction.
• Driver side ventilation louver is fitted to combination meter cluster panel with four clips (1). When installing
driver side ventilation louv er to combination meter
cluster panel, position the smallest clip to the top. Passenger side ventilation louver
Removal
1) Disconnect negative (–) cable from battery.
2) Disable air bag system referring to “Disabling Air Bag System in Section 8B”.
3) Remove glove box from instrument panel.
4) Remove passenger air bag module from instrument panel referring to “Passenger Air Bag (Inflator)
Module Removal and Installation in Section 8B”.
5) Separate passenger side ventilation louver (1) and passenger air bag module (2).
Installation
Reverse removal procedure noting the following
instruction.
• Passenger side ventilation louver is fitted to passenger air bag module with four clips (1). When
installing passenger side ventilation louver to
passenger air bag module, position the smallest clip
to the top.
2
1
I4RS0B710018-01
1
I4RS0B710019-01
2
1
I4RS0B710020-01
1I4RS0B710021-01

Downloaded from www.Manualslib.com manuals search engine 7B-6 Air Conditioning System: Manual Type
A/C System Wiring DiagramS7RS0B7212002
BLK/REDBLK/RED
BLK/YELBLK/YEL
BLK/YEL
BRN/WHT
12V5V
5V 5V
5V11
E23-1
E23-60
BLK/REDBLK/REDE23-16
E23-57WHT/BLK
9
13
E23-55C37-14GRY/REDRED
BLK
ORN
E23-47 GRY
WHTBLU/YEL
RED/BLK
14 3
1
15
5
7
BLK
2
M
12VBLU/WHTE23-19
C37-24
C37-55ORN
5V
LT GRN16
G18-3
G18-4
G18-7
G18-8
G18-10
G18-13
G18-5
G18-6
G19-5
G19-2
G19-3
G19-7
G19-6
G19-1
G18-9
G18-14
BLK/WHT
YEL
BLU/WHT
RED
BRN/WHT
GRN/WHT
RED/BLK
RED
GRN
BRN
BLK/RED
RED/YEL
BLK
BLK/YEL
BLK/ORN
4
6
12
10
M
E23-54
REDWHTE23-3E23-18
17 18
LT GRNE23-46
L+
L–
H–
H
+
BLU/RED
BLK
BLU/WHTBLK
BLU/BLK
20
GRN
GRY
E23-48
19
21
22
BLU/REDC37-58
C37-15 C37-30
BLK/ORN
BLKBLKE23-31 BLK
BLU
YEL
GRN
WHT
23
24
26 25
28
27
8
29
I7RS0B721001-01
1. Ignition switch
9. A/C refrigerant pressure sensor 17. I ndividual circuit fuse box (No.1) 25. Air intake selector
2. Blower motor 10. ECM 18. Main fuse box 26. Rear defogger switch
3. HVAC control unit 11. Main relay 19. Radiator cooling fan relay No.1 27. Rear defogger
4. Lighting switch 12. Air intake control actuator 20. Radiator cooling fan relay No.2 28. Rear defogger relay
5. Blower motor relay 13. Compressor relay 21. Radiator cooling fan relay No.3 29. ABS / ESP ® control module
6. Blower motor resistor 14. Compressor 22. Radiator cooling fan motor
7. Junction block assembly 15. Evaporator thermistor (evaporator temperature sensor)23. Blower speed selector
8. BCM 16. ECT sensor 24. A/C switch

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Automatic Type 7B-35
Electronic Control System Location
NOTE
The figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are installed
at the opposite side.

1
2
3 * 4 *
5
6 *
7 *
8 *
9 *
10 *
21
11
12 13
14
15161718
19
20
I5RS0C722001-01
1. ECT sensor
7. Blower motor13. AUTO switch19. MODE (air flow) selector
2. Outside air temperature sensor 8. Blower motor controller 14. Temperature selector 20. Blower speed selector
3. Sunload sensor 9. Temperature control actuator15. OFF switch21. HVAC control module
4. Air flow control actuator 10. Inside air temperature sensor 16. Air intake selector
5. Evaporator temperature sensor 11. Defroster switch 17. A/C switch
6. Air intake actuator 12. Display 18. Rear defogger switch

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Automatic Type 7B-39
Diagnostic Information and Procedures
A/C System Symptom DiagnosisS7RS0B7224001
4. Rear defogger relay 15. Evaporator temperature sensor 26. Radiator cooling fan relay No.1 37. Rear defogger switch
5. Rear defogger 16. Sunload sensor 27. Radiator cooling fan relay No.2 38. To BCM
6. Blower motor relay 17. Junction block assembly 28. Radiator cooling fan relay No.3 39. To ECM
7. Blower motor 18. ECM 29. Information display 40. To main relay
8. Blower motor controller 19. ECT sensor 30. Lighting switch 41. To main fuse
9. DLC 20. Radiator cooling fan motor 31. A/C switch 42. Back-light
10. Air intake actuator 21. Compressor relay 32. MODE (air flow) selector 43. Defroster indicator 11. Air flow control actuator 22. Compressor 33. Air intake selector 44. Rear defogger indicator
Condition Possible cause Correction / Reference Item
No cool air comes out (A/
C system does not
operate) No refrigerant
Perform recovery, evacuation and charge
referring to “Operation Procedure for
Refrigerant Charge”.
Fuse blown Check related fuses, and then check for short
circuit to ground.
A/C switch faulty Check A/C switch referring to “Inspection of
HVAC Control Module and Its Circuit”.
Evaporator temperature sensor faulty Check evaporator temperature sensor
referring to “Evaporator Thermistor
(Evaporator Temperature Sensor) Inspection”.
A/C refrigerant pressure sensor faulty Check A/C refrigerant pressure sensor
referring to “A/C Refrigerant Pressure Sensor
and Its Circuit Inspection”.
Wiring or grounding faulty Repair as necessary.
ECT sensor faulty Check ECT sensor referring to “ECT Sensor
Inspection in Section 1C”.
ECM faulty Check ECM referring to “A/C System
Inspection at ECM”.
HVAC control module faulty Check HVAC control module referring to
“Inspection of HVAC Control Module and Its
Circuit”.
Magnet clutch faulty Check magnet clutch. Referring to “Magnet
Clutch Inspection”.
Compressor drive belt loosened or
broken Adjust or replace drive belt.
Compressor faulty Check compressor.
Compressor relay faulty Check compressor relay referring to
“Compressor Relay Inspection”.
Temperature selector, blower speed
selector, and/or air flow selector faulty Check HVAC control module referring to
“Inspection of HVAC Control Module and Its
Circuit”.
BCM faulty Check BCM referring to “Inspection of BCM
and its Circuits in Section 10B”.

Downloaded from www.Manualslib.com manuals search engine 7B-68 Air Conditioning System: Automatic Type
G51-8 BLU/REDBlower motor control
voltage feedback 10 – 14 V Ignition switch turned ON, blower speed selector OFF
About 8.5 V Ignition switch turned ON, blower speed selector 1st
position
About 6.5 V Ignition switch turned ON, blower speed selector 2nd
position
About 5.5 V Ignition switch turned ON, blower speed selector 3rd
position
About 4.0 V Ignition switch turned ON, blower speed selector 4th
position
About 3.0 V Ignition switch turned ON, blower speed selector 5th
position
About 2.0 V Ignition switch turned ON, blower speed selector 6th
position
About 1.0 V Ignition switch turned ON, blower speed selector 7th
position
Below 1.0 V Ignition switch turned ON, blower speed selector HIGH
position
G51-9 GRY Blower motor controller 0 – 1 V
Ignition switch turned ON, blower speed selector OFF
position
2 – 3 V Ignition switch turned ON, blower speed selector
between 1st and HIGH position
G51-10 BLK/RED Rear defogger indicator 0 – 1 V Ignition switch turned ON, rear defogger switch OFF
10 – 14 V Ignition switch turned ON, rear defogger switch ON
G51-11 RED/YEL Illumination switch 0 – 1 V Ignition switch turned ON, lighting switch OFF position
10 – 14 V Ignition switch turned ON, lighting switch ON position
G51-12 BLK/YEL Illumination ground 0 – 1 V Full-time
G51-13 — — — —
G51-14 — — — —
G51-15 RED Air intake actuator
(RECIRCULATION AIR) 0 – 1 VIgnition switch turned ON, air intake selector is
recirculation air mode or air intake actuator is working
in operation to recirculation air position or fresh air
position.
10 – 14 V Ignition switch turned ON, ai
r intake selector is fresh
air mode (air intake actuator fresh air position).
G51-16 GRN/RED Air intake actuator
(MIX AIR) 10 – 14 V
Ignition switch turned ON, air intake actuator is
recirculation air or fresh air position.
0 – 1 V Ignition switch turned ON, air intake actuator is mix air
position or air intake actuator is working in operation to
recirculation air position or fresh air position.
G51-17 GRN Air intake actuator
(FRESH AIR) 0 – 1 V
Ignition switch turned ON, ai
r intake selector is fresh
air mode or air intake actuator is working in operation
to recirculation air position or fresh air position.
10 – 14 V Ignition switch turned ON, air intake selector is
recirculation air mode (air intake actuator recirculation
air position).
G51-18 GRN/WHT A/C switch signal Refer to “Inspe ction of BCM and its Circuits in Section 10B”
G51-19 BLU/WHT Electric load signal for
blower motor 10 – 14 V
Ignition switch turned ON, blower speed selector OFF
or between 1st and 5th position
0 – 2 V Ignition switch turned ON, blower speed selector
between 6th and HIGH position
G51-20 BRN Rear defogger switch 0 – 1 V
Ignition switch turned ON, rear defogger switch ON
(rear defogger switch is kept in push) position
4 – 6 V Ignition switch turned ON, rear defogger switch OFF
position
Terminal Wire Color Circuit
Normal
Vo l ta g e Condition

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 Sy mbols ......................... 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-7
How to Read Power Supply Diagram.................. 9A-8
How to Read System Circuit Diagram................. 9A-8
Connector Layout Diagram . .............................. 9A-10
Connector Layout Diagram ............................... 9A-10
Engine Compartment .......... .............................. 9A-10
Instrument Panel ............................................... 9A-16
Door, Roof......................................................... 9A-20
Floor .................................................................. 9A-23
Rear .................................................................. 9A-29
Ground Point ...................................................... 9A-30 Ground (earth) Point ......................................... 9A-30
Power Supply Diagram ........ .............................. 9A-31
Power Supply Diagram ....... .............................. 9A-31
Fuses and the Protected Parts ......................... 9A-33
Fuses in Main Fuse Box (RHD) ........................ 9A-33
Fuses in Main Fuse Box (LHD) ......................... 9A-33
Individual Circuit Fuse Box No. 1 ...................... 9A-34
Individual Circuit Fuse Box No. 2 (In J/B) ......... 9A-35
Junction Block (J/B) Connector / Fuse Layout .. 9A-37
Junction Block Inner Circuit (Overview) ............ 9A-38
Junction Block Inner Circuit (Detail) .................. 9A-40
System Circuit Diagram... .................................. 9A-45
System Circuit Diagram .. .................................. 9A-45
A-1 Cranking System Circ uit Diagram .............. 9A-46
A-2 Charging System Circu it Diagram .............. 9A-47
A-3 Ignition System Circu it Diagram ................. 9A-48
A-4 Cooling System Circuit Diagram................. 9A-49 A-5 Engine and A/C Control System Circuit
Diagram........................................................... 9A-50
A-6 A/T Control System Circuit Diagram........... 9A-55
A-7 Immobilizer System Circuit Diagram .......... 9A-57
A-8 Body Control System Circuit Diagram ........ 9A-58
B-1 Windshield Wiper and Washer Circuit Diagram........................................................... 9A-62
B-2 Rear Wiper and Washer Circuit Diagram ... 9A-63
B-3 Rear Defogger Circuit Diagram .................. 9A-64
B-4 Power Window Circuit Diagram .................. 9A-65
B-5 Power Door Lock Circu it Diagram .............. 9A-67
B-6 Power Mirror Circuit Diagram ..................... 9A-69
B-7 Horn Circuit Diagram .................................. 9A-70
B-8 Seat Heater Circuit Diagram....................... 9A-71
B-9 Keyless Start System Circuit Diagram........ 9A-72
C-1 Combination Mete r Circuit Diagram
(Meter)............................................................. 9A-73
C-2 Combination Mete r Circuit Diagram
(Indicator) ........................................................ 9A-74
C-3 Combination Mete r Circuit Diagram
(Warning Light)................................................ 9A-75
D-1 Headlight System Circuit Diagram ............. 9A-77
D-2 Position, Tail and Licence Plate Light System Circuit Diagram .................................. 9A-79
D-3 Front Fog Light System Circuit Diagram .... 9A-80
D-4 Illumination Light System Circuit Diagram .. 9A-81
D-5 Interior Light System Circuit Diagram......... 9A-82
D-6 Turn Signal and Hazard Warning Light System Circuit Diagram .................................. 9A-83
D-7 Brake Light System Circuit Diagram .......... 9A-85
D-8 Back-Up Light System Circuit Diagram ...... 9A-86
D-9 Headlight Beam Leveling System Circuit Diagram........................................................... 9A-87
D-10 Rear Fog Light Circuit Diagram ................ 9A-88
E-1 Heater System Circuit Diagram .................. 9A-89
E-2 Auto A/C System Circuit Diagram .............. 9A-91
F-1 Air-Bag System Circuit Diagram ................. 9A-93
F-2 Anti-Lock Brake System Circuit Diagram.... 9A-95
F-3 Electronic Stab ility Program System
Circuit Diagram .................. ............................. 9A-97
F-4 Power Steering System Circuit Diagram .... 9A-99
G-1 Audio System Circuit Diagram ................. 9A-101
G-2 Multi Information Display / Accessory Socket System Circuit Diagram .................... 9A-102
List of Connector .............................................9A-103

Downloaded from www.Manualslib.com manuals search engine 9-ii Table of Contents
List of Connectors ........................................... 9A-103
C Connector .................................................... 9A-103
D Connector (M16A engine) ........................... 9A-104
E Connector .................................................... 9A-104
G Connector .................................................... 9A-106
J Connector ..................................................... 9A-108
K Connector .................................................... 9A-109
L Connector..................................................... 9A-109
M Connector (SPORT model) ......................... 9A-111
O Connector .................................................... 9A-111
R Connector .................................................... 9A-111
Lighting Systems .................................... 9B-1
Component Location ........... ................................9B-1
Lighting System Component s Location............... 9B-1
Interior Light System Location............................. 9B-2
Diagnostic Information and Procedures ............ 9B-2 Headlight Symptom Diagnosis ............................ 9B-2
Headlight Leveling System Symptom Diagnosis (If Equipped) ..................................... 9B-2
Turn Signal and Hazard Warning Light Symptom Diagnosis .......................................... 9B-3
Clearance, Tail and License Plate Light Symptom Diagnosis .......................................... 9B-3
Back-Up Light Symptom Diagnosis..................... 9B-4
Brake Light Symptom Diagnosis ......................... 9B-4
Front Fog Light Symptom Diagnosis (If Equipped) .......................................................... 9B-4
Interior Light Symptom Diagnosis ....................... 9B-5
Repair Instructions ..............................................9B-5 Headlight Housing Removal and Installation ...... 9B-5
Headlight Bulb Replacemen t............................... 9B-6
Headlight Aiming Adjustment with Screen .......... 9B-6
Headlight Switch (in Lighting Switch) Removal and Installation ................................... 9B-8
Headlight Switch (in Lighting Switch) Inspection .......................................................... 9B-8
Hazard Warning Switch Removal and Installation ......................................................... 9B-8
Hazard Warning Switch Inspection ..................... 9B-9
Brake Light Switch Inspection ............................. 9B-9
Turn Signal Light Switch (in Lighting Switch) Removal and Installation ................................... 9B-9
Turn Signal Light Switch (in Lighting Switch) Inspection .......................................................... 9B-9
Turn Signal and Hazard Warning Relay Removal and Installation ................................... 9B-9
Turn Signal and Hazard Warning Relay Inspection ........................................................ 9B-10
License Light Removal and Installation............. 9B-10
Front Fog Light Removal and Installation (If Equipped) ........................................................ 9B-11
Front Fog Light Bulb Replacement (If Equipped) ........................................................ 9B-11
Front Fog Light Switch Inspection (If Equipped) ........................................................ 9B-11
Front Fog Light Relay Inspection (If Equipped) ........................................................ 9B-11
Front Fog Light Aiming Adjustment with Screen (If Equipped) ....................................... 9B-12 Headlight Leveling Switch Inspection (If
Equipped) ........................................................ 9B-13
Headlight Leveling Actuator Inspection (If Equipped) ........................................................ 9B-13
Instrumentation / Driver Info. / Horn ...... 9C-1
Precautions ...........................................................9C-1 Precautions in Diagnosing Troubles for Combination Meter ............................................9C-1
General Description .............................................9C-1 CAN Communication System Description...........9C-1
Auto Volume Co ntrol System Description (If
Equipped) ..........................................................9C-3
Schematic and Routing Diagram ........................9C-4 Combination Meter Circuit Diagram ....................9C-4
Component Location ............ ...............................9C-6
Audio System Component Location ....................9C-6
Diagnostic Information and Procedures ............9C-6 Speedometer and VSS Symp tom Diagnosis ......9C-6
Tachometer Symptom Diagnosis ........................9C-6
Engine Coolant Temperature (ECT) Meter Symptom Diagnosis ..........................................9C-7
Fuel Meter Symptom Diagnosis ..........................9C-7
Low Fuel Warning Light Symptom Diagnosis .....9C-7
Oil Pressure Warning Light Symptom Diagnosis ..........................................................9C-8
Brake and Parking Brake Warning Light Symptom Diagnosis ..........................................9C-8
Seat Belt Reminder Light Symptom Diagnosis (If Equipped)......................................................9C-8
A/T Shift Position Indicator Symptom Diagnosis (A/T Model).......................................9C-9
Charge Warning Light Sy mptom Diagnosis ........9C-9
Main Beam (High Beam) Indicator Symptom Diagnosis ..........................................................9C-9
Warning Buzzer Circuit Sy mptom Diagnosis ....9C-10
Cigarette Lighter Symptom Diagnosis (If Equipped) ........................................................9C-10
Horn Symptom Diagnosis .................................9C-10
Information Display Symptom Diagnosis (If Equipped) ........................................................9C-11
Clock Symptom Diagnosis (If Equipped)...........9C-12
Audio System Symptom Diagnosis (If Equipped) ........................................................9C-12
Remote Audio Control Switch Symptom Diagnosis (If Equipped) ...................................9C-13
Navigation Symptom Diagnosis (If Equipped)...9C-14
Repair Instructions ............ ................................9C-14
Ignition Switch Removal and Installation...........9C-14
Ignition Switch Inspection..................................9C-14
Combination Meter Removal and Installation ...9C-15
Fuel Level Sensor Removal and Installation .....9C-15
Fuel Level Sensor Inspection ............................9C-15
Oil Pressure Switch Remova l and Installation ..9C-15
Oil Pressure Switch Inspec tion .........................9C-16
Engine Coolant Temperature (ECT) Sensor Inspection ........................................................9C-16
Brake Fluid Level Switch Inspection .................9C-16
Parking Brake Switch Inspec tion.......................9C-16