Brake system SUZUKI SWIFT 2008 2.G Service Workshop Manual

Downloaded from www.Manualslib.com manuals search engine Wiring Systems: 9A-76
GEARABS
BELT
DOOR
CHARGEIMMOBI
BRAKE FUEL
RADIO
15A40
32
5
WHT/RED
J/B
G33
G28
1
2
I4RS0A910943-01

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D-7 Brake Light System Circuit DiagramS7RS0B910E028
Brakelight
switch
(R)
Brake light
PNK
BLK
(L)
15A
8STOP
LAMP
E47
L43
GRN/WHT
GRN/WHT
GRN/WHT
5
4
1
L0628
E411
J/B
"F-2"
ABS
Cont.M
GRN/WHT
2
"A-5"
ECM
13
GW
GWGW
TCM
PB
PNK/BLK
"A-6"
GRN/YEL
A/T shift
lever
GY
"A-6"
2 3
A/T
18
Individual circuit
fuse box (No.1)
B
BL74
J/C
L202
5L172
1
High mounted stop light
14
BLK
BLK
2
B
GRN/WHTGRN/WHT
I7RS0B910929-01

Downloaded from www.Manualslib.com manuals search engine 9A-95 Wiring Systems:
F-2 Anti-Lock Brake System Circuit DiagramS7RS0B910E035
1326
14
1 3
23
17
E03
ABS
Cont.M
BCM
BLK
30A
ABS
SOL16
30A
ABS
MOT9
WHT/REDWHT/BLU
GRN/WHT
6
BLKREDWHT
PNK/BLK
PB
PNK/BLK
RB
RED/BLU
RED/BLU
149G35 E37
"C-3""A-8"
ECM
"A-5"
J/B10A ABS
31
E419
GRN/ORN
7
GW"D-7"Brake light switch
(CAN)
(CAN)
(ABS)
GRN/WHT
J/B
E411
8
Individual circuit fuse box (No.1)
108
12
RED
R
6
WHT
W
RW
M13A engine, M15A engine
M16A engineA
AB
B
I7RS0B910933-01

Downloaded from www.Manualslib.com manuals search engine 9B-4 Lighting Systems:
Back-Up Light Symptom DiagnosisS7RS0B9204005
Brake Light Symptom DiagnosisS7RS0B9204006
Front Fog Light Symptom Diagnosis (If Equipped)S7RS0B9204007
ConditionPossible cause Correction / Reference Item
Back-up lights do not
light up Bulb(s) blown
Replace bulb(s).
Circuit fuse blown Replace fuse and check for short circuit.
Back-up light switch (M/T model) or
transmission range sensor (A/T model)
faulty Check back-up light switch or transmission
range sensor referring to “Back Up Light
Switch Inspection in Section 5B” or
“Transmission Range Sensor (Shift Switch)
Inspection and Adjustment in Section 5A”.
Wiring or grounding faulty Repair circuit.
Back-up lights stay on Back-up light switch (M/T model) or
transmission range sensor (A/T model)
faulty Check back-up light switch or transmission
range sensor referring to “Back Up Light
Switch Inspection in Section 5B” or
“Transmission Range Sensor (Shift Switch)
Inspection and Adjustment in Section 5A”.
Condition
Possible cause Correction / Reference Item
Brake light do not light up Bulb(s) blown Replace bulb(s).
Circuit fuse blown Replace fuse and check for short circuit.
Brake light switch faulty Check brake light switch referring to “Brake
Light Switch Inspection”.
Wiring or grounding faulty Repair circuit.
Brake light stay on Brake light switch faulty Check or adjust brake light switch referring to
“Brake Light Switch Inspection” or “Stop Light
Switch Adjustment in Section 4A”.
ConditionPossible cause Correction / Reference Item
Only one light does not
light Bulb blown
Replace bulb.
Wiring or grounding faulty Repair circuit.
Front fog lights do not
light Circuit fuse blown
Replace fuse and check for short circuit.
Bulb blown Replace bulb.
Front fog light switch faulty Check front fog light switch referring to “Front
Fog Light Switch Inspection (If Equipped)”.
Front fog light relay faulty Check front fog light relay referring to “Front
Fog Light Relay Inspection (If Equipped)”.
Wiring or grounding faulty Repair circuit.

Downloaded from www.Manualslib.com manuals search engine Lighting Systems: 9B-9
Hazard Warning Switch InspectionS7RS0B9206007
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Brake Light Switch InspectionS7RS0B9206008
Check brake light switch for continuity between terminals
at each switch position.
If check result is not as specified, replace switch.
Turn Signal Light Switch (in Lighting Switch)
Removal and Installation
S7RS0B9206009
For removal and Installation, refer to “Headlight Switch
(in Lighting Switch) Removal and Installation”.
Turn Signal Light Switch (in Lighting Switch)
Inspection
S7RS0B9206010
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Turn Signal and Hazard Warning Relay Removal
and Installation
S7RS0B9206011
Removal
1) Disconnect negative (–) cable at battery.
2) Remove junction block assembly referring to “BCM (Included in Junction Bl ock Assembly) Removal and
Installation in Section 10B”.
3) Remove turn signal and hazard warning relay.
Installation
Reverse removal procedure for installation.
Terminal
Shaft condition
OFF
ON 12 3 4
1
2
3 4
I4RS0A920011-02
4
2 3
1
Terminal
Shaft condition
FREE
PUSH 12 3 4
I4RS0A920012-01
[A]: LH steering vehicle
[B]: RH steering vehicle
L
R
Terminal
Turn signal SW 3
12
L
N
R 123
123
[A][B]
I5RS0D920006-01

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-2
Combination Meter Reception Data
NOTE
*:ESP® model

ECM BCM
Keyless
Start
Control Module
(if equipped)
Combination Meter
TCM
(A/T model)
Engine speed signal
Immobilizer indicator light control signal
Vehicle speed signal
Engine coolant temperature signal
MIL control signal
Transmission range sensor signal
Transmission warning light signal
Diagnostic trouble code (DTC)
Brake fluid level switch signal
(brake warning light control signal)
Driver side seat belt buckle switch signal
(seat belt reminder light control signal)
Charging system warning light signal
(charge warning light control signal)
Engine oil pressure switch signal
(oil pressure warning light control signal)
Parking brake switch signal
(brake warning light control signal)
Illumination ON signal
Door switch signal
(open door warning light control signal)
ABS indication signal
EBD indication signal
(brake warning light control signal)
Key indicator light control signal ABS/ESP®
ControlModule
DATA
Receive
*
ESP® status signal
I7RS0B930001-01

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-8
Oil Pressure Warning Light Symptom DiagnosisS7RS0B9304006
Brake and Parking Brake Warning Light Symptom DiagnosisS7RS0B9304007
Seat Belt Reminder Light Symptom Diagnosis (If Equipped)S7RS0B9304008
Condition Possible cause Correction / Reference Item
Oil pressure warning light
does not light up when
ignition switch is turned
to ON position at engine
off Circuit fuse blown
Replace fuse and check for short circuit.
Oil pressure switch faulty Check oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Oil pressure warning light
stays ON Oil pressure switch faulty
Check oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible cause Correction / Reference Item
Brake warning light does
not light up when brake
fluid level is low or
parking brake is pulled up
or for 5 seconds after
turning ON ignition switch Circuit fuse blown
Replace fuse and check for short circuit.
Brake fluid level switch faulty Check brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faulty Check parking brake switch referring to
“Parking Brake Switch Inspection”.
ABS system faulty Refer to “ABS Check in Section 4E”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Brake warning light stays
ON Brake fluid level switch faulty
Check brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faulty Check parking brake switch referring to
“Parking Brake Switch Inspection”.
EBD system faulty Refer to “EBD Warning Light (Brake Warning
Light) Check in Section 4E”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible cause Correction / Reference Item
Seat belt reminder light
does not light up Circuit fuse blown
Replace fuse and check for short circuit.
Seat belt switch faulty Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Seat belt reminder light
stays ON Seat belt switch faulty
Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.

Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System: 10B-2
CAN Communication System DescriptionS7RS0BA201002
Refer to “CAN Communication System Description in Section 1A” for CAN communication system description. BCM
communication control data with ea ch control module as follows.
BCM Transmission Data
BCM Reception Data
A/C switch ON signal
Electric load signal
"3" position switch signal
Illumination ON signal
Brake fluid level switch signal
Parking brake switch signal
Seat belt buckle switch signal
Charging system signal
Engine oil pressure switch signal
Diagnostic trouble code (DTC)
Door switch status
Door lock status ECM
TCM
(A/T model) Combination
Meter Keyless Start
Control Module
(if equipped)
Transmit DATA
BCM
ESP
Control Module
(if equipped)
I7RS0BA20002-01
Engine speed signal
Vehicle speed signal Engine coolant temperature signal
A/C refrigerant pressure signal
Fuel consumption signal A/C compressor clutch signal
Transmission range sensor signal
Fuel level signal
Ignition knob switch signal
Door lock/unlock request signal
Buzzer request signal
Answer back request signal
DATA
BCM
Receive
Combination
Meter
TCM
(A/T model) Keyless Start
Control Module (if equipped)
ECM
I7RS0AA20001-01

Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System: 10B-6
[A]: Vehicle not equipped with diagnosis connector 19. Door key cylinder switch (included in door lock actuator)40. SDM
[B]: Vehicle equipped with diagnosis conn ector 20. Manual door lock switch 41. Rear end door window defogger relay
[C]: ESP ® model 21. Rear end door window defogger switch 42. Rear end door window defogger
1. BCM (included in junction block assembly) 22. Rear end door opener switch 43. Rear end door window defogger indicator lamp
2. Rear washer motor 23. “3” position switch (A/T model)44. Horn relay
3. Rear wiper motor 24. A/C switch45. Horn switch
4. Rear wiper relay 25. Rear end door opener relay46. Horn
5. Rear wiper and washer switch 26. Rear end door opener actuator47. Lighting switch
6. Outside air temperature sensor 27. TCM (A/T model)48. Ignition switch
7. Key reminder switch 28. ECM49. Battery
8. Theft deterrent light 29. Combination meter50. To turn signal light
9. Oil pressure switch 30. Data link connector (DLC)51. Body ground
10. Generator 31. To ECM, ABS/ESP®, P/S control module 52. Engine ground
11. Information display (if equipped) 32. To SDM53. Keyless start control module (if equipped)
12. Keyless entry receiver (if equipped) 33. Door lock actuator relay 54. Right side door mirror heater (if equipped)
13. Driver side door switch 34. Driver side door lock actuator55. Left side door mirror heater (if equipped)
14. Other than driver side door switch 35. Passenger side door lock actuator56. ABS/ESP® control module
15. Rear end door switch 36. Rear door lock actuator57. To HVAC control module
16. Driver side seat belt switch 37. Turn signal and hazard warning relay 58. CAN junction connector
17. Brake fluid level switch 38. Hazard warning switch59. Steering angle sensor
18. Parking brake switch 39. Interior light

Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System: 10B-8
Component Location
BCM and Related System Component LocationS7RS0BA203001
3
4
5
7
6
1117
1829
19
14
20
21
24
25
26 27
28 22
23
22
1
2
8
9
10
1312
151615
16
[A] [B]
I5RS0DA20005-01
[A]: Automatic A/C
10. Rear end door opener actuator (incorporated in door
switch) 21. “3” position switch (A/T model)
[B]: Manual A/C 11. Keyless entry receiver or keyless start control module (if
equipped) 22. Junction block assembly
1. Generator 12. Parking brake switch 23. BCM
2. Brake fluid level switch 13. Seat belt buckle switch 24. Heater relay
3. ECM 14. Theft deterrent light 25. Horn relay