BCM WIRING SUZUKI SWIFT 2005 2.G Service Owners Manual
Page 1269 of 1496
Downloaded from www.Manualslib.com manuals search engine Wiring Systems:  9A-98
YEL
ESP   
Cont.M
L38
LT GRN/BLKLT GRN
LT GRN/BLKLT GRN
L02 
E4510
5 6 12 11 14 15 3 211
Wheel speed  sensor(RL)
BRN
YELBRN
13
12
L14
Wheel speed 
sensor(RR)
WHT/BLK
E05
Wheel speed  sensor(FR)
WHTRED
E25
Wheel speed  sensor(FL)
RED/BLK
E85
2 12 12 121
33
DLC
PPL/WHT
PPL/WHT
A
A
E38 
G36
5
E42
D
J/C
G16
PPL/WHT
E
59E46
BCM
BCMPPL/WHT
WHT/RED
G20 G37
PW
WHT/BLKRED/BLK
RBWB
"A-8"
11
BLK
BLK
A
A
J/C
G15
4
E24 
C3615
BLK/ORN
3
BLK/ORN
9
BLK
A
B
B
J/C
G17
15A RADIO
40
G335
WHT/RED
J/B
BLK/ORN
14
6
716
14
E43
J/C
J/C
(CAN) IF EQPD
R
RESP    is a registered trademark of Daimler Chrysler AG.I7RS0B910936-01  
Page 1271 of 1496
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B
P/S
Cont.M
6
J/C
E42
E48 
E50
E
D
G35 E37
J/C
E43
E54
M
REDBLK
E51
ECM
"A-5"
GRYBRN
1211
125
GRY
BRN
1 4
E52
PPL
2
P
4
PPL/WHT
PPL/WHT
EPS
METER
10A25
G2831
G336
RED/BLK
25PPL
G20
DLC
4
BLK
A
A
J/C
G15
5
PPL/WHT
PPL/WHT
A
A
J/C
G16
9E46
E38 
G3614
E24 
C3615
BLK/ORN
5
3
J/B
15A RADIO
40
G335
WHT/RED
BLK/ORN
16
7
B
B
J/C
G17
BLK/ORN
11
BCM
WHT/RED
G37
9
BLK
A
BLK
PW
WHT/BLKRED/BLK
RBWB
"A-8"
14
6
GRY
1
G
BCM
PPL/WHT
RHD
LHDAB
AB1 
2AB2 
1
(CAN)
IF EQPD
I7RS0B910937-01  
Page 1272 of 1496
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G-1 Audio System Circuit DiagramS7RS0B910E037
PPL
PPL
G335
GRY
18141814L37J21
G03  L333 13 2
515 14
4 5
4
5
11
21 1
2 2
1 1
2 2
1 2
1
3
13 4
14 5
15 6
16 11
RY"D-4"RY
WHT/RED
G121
J/C
G17
WHT/RED
J/B15ARADIO
40
RED/YEL
J/C
G31
BCM
"A-8"
Antenna amplifier
WHT/GRN
L39
L33 
G0318E37 
G354
WHT/GRN
BLU/WHT
BLU/WHT
15A ACC 2
27
BLK
10
Tweeter (L)Front (L)
PNKBLU
J12
J10
Tweeter (R)Front (R)
J04J02
YEL/BLK
YEL/RED
Rear (R)Rear (L)
LT GRN
LT GRN/BLKPNKBLUPNKBLUYEL/BLK
YEL/RED
YEL/BLK
YEL/REDLT GRN
LT GRN/BLK
GRY/RED
GRY
GRY/RED
PNKBLUYEL/BLK
YEL/REDLT GRN
LT GRN/BLKGRY
GRY/RED
12
Audio
RED/YEL
921 0
J22J17
B
B C
C D
DSteering switch
(volume/seek etc)
G27
GRN
1920
BLK/YEL
4 3
L13 
J16
4
P
ECM
"A-5"
18
RHD
LHD
Other than indonesian make
Indonesian make
ABC
DC
D
Antenna
L31 
J09 
L07  J01A
B
L07 J01 
L31  J09A
B
IF EQPD
I7RS0B910938-01  
Page 1273 of 1496
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G-2 Multi Information Display / Accessory Socket System Circuit DiagramS7RS0B910E038
11
BLU/WHT
BLU/WHT
15AACC 2
27
J/C
G17
L28 
L44
YG
Multi information display
J/B
BCM
J/B
G34
7
14
RED/YEL
10
BLK/ORN
2
BLK/ORN
15A RADIO
40
G335
WHT/RED
G141
3
J/C
YEL
YEL
G16
4
57
G15
J/C
12L05
WHT/BLK
L46
ACC
Socket
2
1
18
WHT/BLK
BLK
BLK
3 1
C
C
B
B
C
C
GRY
G378
11
"D-4"
RY
YEL/RED
YEL/BLK
2E14
1
8
10E46
A
J/B side connector (BCM)
A
Outside air
temperature sensor
I7RS0B910948-01  
Page 1285 of 1496
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Turn Signal and Hazard Warning Light Symptom DiagnosisS7RS0B9204003
Clearance, Tail and License Plate Light Symptom DiagnosisS7RS0B9204004
ConditionPossible cause Correction / Reference Item
Flash rate high or one 
side only flashes Bulb blown on “flash rate high”-side
Replace bulb.
Incorrect bulb Replace bulb.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay 
referring to “Turn Signal and Hazard Warning 
Relay Inspection”.
Open circuit or high resistance existing 
either; between turn signal switch and 
non lighting bulb, or between hazard 
warning switch and non lighting bulb Repair circuit.
Wiring or grounding faulty Repair circuit.
No flashing
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(s) blown Replace fuse(s) and check for short circuit.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay 
referring to “Turn Signal and Hazard Warning 
Relay Inspection”.
Turn signal light switch faulty Check turn signal light switch referring to “Turn 
Signal Light Switch (in Lighting Switch) 
Inspection”.
Hazard warning switch faulty Check hazard warning switch referring to 
“Hazard Warning Switch Inspection”.
Open circuit or high resistance existing 
between battery and switch Repair circuit.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Flash rate low Supply voltage low Check charging system.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay 
referring to “Turn Signal and Hazard Warning 
Relay Inspection”.
ConditionPossible cause Correction / Reference Item
All lights do not light up Circuit fuse blown Replace fuse and check for short circuit.
Lighting and dimmer switch of 
combination switch faulty Check lighting and dimmer switch referring to 
“Headlight Switch (in Lighting Switch) 
Inspection”.
Wiring or grounding faulty Repair circuit.
Some lights do not light 
up Bulb(s) blown
Replace bulb(s).
Wiring or grounding faulty Repair circuit.  
Page 1287 of 1496
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Interior Light Symptom DiagnosisS7RS0B9204008
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, re fer 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
Headlight Housing Removal and InstallationS7RS0B9206001
Removal 1) Disconnect negative (–) cable at battery.
2) Remove front bumper. Refer to “Front Bumper and  Rear Bumper Componen ts in Section 9K”.
3) Remove headlight mounting bolts.
4) Detach headlight housing (1) from vehicle.
5) Disconnect couplers (2) from headlight housing (1). Installation
Reverse removal procedure noting the following.
• Install headlight mounting bolts, and then tighten 
headlight mounting bolts (“1” – “3”) according to 
numerical order as shown in figure.
• After installation, be sure to inspect and adjust aiming  referring to “Headlight Aiming Adjustment with 
Screen”.
Condition Possible cause Correction / Reference Item
Dome light does not light 
up Bulb blown
Replace bulb.
Circuit fuse blown Replace fuse and check for short circuit.
Dome light switch faulty Check dome light switch.
Door switch faulty Check door switch referring to “Door Switch 
(Front / Rear Door) Inspection in Section 9C”.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Luggage compartment 
light does not light up (if 
equipped) Bulb blown
Replace bulb.
Rear end door switch faulty Check switch referring to “Rear End Door 
Switch Inspection in Section 9C”.
Wiring or grounding faulty Repair circuit.
2 1
I4RS0A920003-01
2
1 3
I4RS0A920004-01  
Page 1303 of 1496
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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.  
Page 1304 of 1496
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A/T Shift Position Indicator Symptom Diagnosis (A/T Model)S7RS0B9304009
Charge Warning Light Symptom DiagnosisS7RS0B9304010
Main Beam (High Beam) Indicator Symptom DiagnosisS7RS0B9304011
ConditionPossible cause Correction / Reference Item
All A/T shift position 
indicator does not light up Circuit fuse blown
Replace fuse and check for short circuit.
Transmission range sens or (shift switch) 
faulty Check transmission range sensor referring to 
“Transmission Range Sensor (Shift Switch) 
Inspection and Adjustment in Section 5A”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
TCM faulty Replace after making sure that none of above 
parts is faulty.
ConditionPossible cause Correction / Reference Item
Charge warning light 
does not come ON Circuit fuse blown
Replace fuse and check for short circuit.
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.
Charge warning light stay 
ON Charging system faulty
Check charging system.
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
Main beam (high beam) 
indicator does not come 
ON Circuit fuse blown
Replace fuse and check for short circuit.
Combination switch faulty Check combination switch referring to 
“Headlight Switch (in Lighting Switch) 
Inspection in Section 9B”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
Main beam (high beam) 
indicator stay ON Combination switch faulty
Check combination switch referring to 
“Headlight Switch (in Lighting Switch) 
Inspection in Section 9B”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.  
Page 1305 of 1496
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Warning Buzzer Circuit Symptom DiagnosisS7RS0B9304012
NOTE
• Use of SUZUKI scan tool makes it easy to check wh ether a faulty condition is on the input side or 
output side of BCM. For checking procedure, re fer 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.
 
Cigarette Lighter Symptom Diagnosis (If Equipped)S7RS0B9304013
Horn Symptom DiagnosisS7RS0B9304014
Condition Possible cause Correction / Reference Item
Warning buzzer shows no 
sounding Circuit fuse blown
Replace fuse and check for short circuit.
Driver side door switch faulty Check driver side door switch referring to 
“Door Switch (Front / Rear Door) Inspection”.
Lighting switch faulty Check lighting switch referring to “Headlight 
Switch (in Lighting Switch) Inspection in 
Section 9B”.
Key reminder switch faulty Check key reminder switch referring to 
“Ignition Switch Inspection”.
Seat belt switch faulty (if equipped) Check seat belt switch referring to “Front Seat 
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
BCM faulty Replace after making sure that none of above 
parts is faulty.
ConditionPossible cause Correction / Reference Item
Cigarette lighter shows 
no operation Circuit fuse blown
Replace fuse and check for short circuit.
Cigarette lighter faulty Check cigarette lighter.
Ignition switch faulty Check ignition switch referring to “Ignition 
Switch Inspection”.
Wiring and/or grounding faulty Repair as necessary.
ConditionPossible cause Correction / Reference Item
Horn does not operate Circuit fuse blown Replace fuse and check for short circuit.
Horn switch faulty Check horn switch.
Horn relay faulty Check horn relay referring to “Horn Relay 
Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Horn faulty Check horn referring to “Horn Inspection”.  
Page 1306 of 1496
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Information Display Symptom Diagnosis (If Equipped)S7RS0B9304015
NOTE
This thermometer indicates the ambient temperature in back of front bumper member. Under any one 
of the following listed conditions, however, even when the ambient temperature goes up, the 
thermometer display does not rise so as to correct the rise of the ambient temperature caused by the 
radiant heat of the engine. When the ambient temperature drops, the thermometer reading follows the 
change in the temperature.
Be sure to bear this in mind when diagnosing trouble.
• The vehicle speed is 30 km/h (18 mph) or lower.
• Vehicle speed signal is faulty.
• The ignition switch is turned on again within 2 hours.
 
ConditionPossible cause Correction / Reference Item
No displaying of 
information display Circuit fuse Blown
Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Information display unit faulty Replace unit.
Incorrect thermometer 
display Outside air temperature sensor faulty
Check outside air temperature sensor referring 
to “Outside Air Temperature Sensor Inspection 
(If Equipped)”.
Vehicle speed signal faulty Check ECM for DTC referring to “DTC Check 
in Section 1A”.
Wiring and/or grounding faulty Repair as necessary.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Display of thermometer 
does not change at –30 
°C Outside air temperature is –30 
°C (–22 
° F) or less —
Outside air temperature sensor faulty Check outside air temperature sensor referring 
to “Outside Air Temperature Sensor Inspection 
(If Equipped)”.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Display of thermometer 
does not change at 50 
°C Outside air temperature is 50 
°C (122 
° F) or more —
Outside air temperature sensor faulty Check outside air temperature sensor referring 
to “Outside Air Temperature Sensor Inspection 
(If Equipped)”.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Display of thermometer 
does not change at “– – – 
°C” Outside air temperature sensor faulty
Check outside air temperature sensor referring 
to “Outside Air Temperature Sensor Inspection 
(If Equipped)”.
Outside air temperature sensor circuit is 
open or short Repair as necessary.
Wiring and/or grounding faulty Repair as necessary.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above 
parts is faulty.