BCM SUZUKI SX4 2006 1.G Service Manual Online

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-30
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
• Clear DTC B1157 (air bag deployed) of BCM referring to “DTC Clearance in Section 10B”, if any.

DTC B1027: Number of Deployment Times Exceeded LimitS6RW0D8204017
DTC Detecting Condition and Trouble Area
NOTE
DTC B1027 can never be cleared once it has been set.

DTC Trouble shootingStep Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Seat belt pretensioner activation check
1) Turn OFF ignition switch.
2) Check that DTC B1026 has been set although
pretensioner has not been activated.
Has pretensioner activated?Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Go to Step 3.
3Front impact sign check
1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there any signs of impact?Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Replace SDM.
DTC detecting condition Trouble area
Deployment of air bag and/or activation of seat belt
pretensioner have been recorded in SDM 5 times or
more.If this DTC has been recorded even though air bag (front
and side) and pretensioner have not been deployed more
than 4 place.
• SDM (internal fault or reused SDM)
• Each of deployment and activation module
• Those initiator circuit
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Air bag deployment check
1) Turn OFF ignition switch.
2) Check that DTC B1027 has been set although air bag
(front and side) and pretensioner has not been
deployed.
Have air bag and pretensioner deployed more than 4 place?Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Go to Step 3.
3Impact sign check
1) Inspect front, side of vehicle and undercarriage for signs
of impact.
Are there any signs of impact?Inspect and replace
components according
to “Repair and
Inspection Required
after Accident”.Replace SDM.

Downloaded from www.Manualslib.com manuals search engine 8B-31 Air Bag System:
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
• Clear DTC B1157 (air bag deployed) of BCM referring to “DTC Clearance in Section 10B”, if any.

DTC B1031: Driver Air Bag Circuit High Resistance S6RW0D8204018
Wiring Diagram
DTC Detecting Condition and Trouble Area
“L04”“L04”[A]
BLK
L04-28
6 8
7
RED
GRN“L313”L04-27
910
L04-3 L04-4
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
12 [L04]
[G347]12 [L378]
15
13
16
12V5V30V 30V
141112
GRN/RED GRN/RED
GRN GRN
“G347” “S172” “L378” “G345”
1
2 BLKWHT3
4
5
I6RW0C820008-01
[A]: Shorting bar 6. Ignition switch 12. Driver air bag (inflator) module
1. Battery 7. “A/B” fuse 13. DC / DC converter
2. Fuse 8. Junction block assembly 14. Back up capacitor
3. Main fuse box 9. Ground for air bag system 15. Safing power driver
4. “IGN” fuse 10. SDM 16. Mechanical longitudinal G sensor (switch)
5. Individual circuit fuse box No.1 11. Contact coil assembly
DTC detecting condition Trouble area
Driver air bag circuit is more than 5.2 Ω for more than 4
sec.• Driver air bag circuit
• Contact coil assembly
• Driver air bag module
•SDM

Downloaded from www.Manualslib.com manuals search engine 9A-7 Wiring Systems:
5) Junction block (J/B)
6) Connector location, shape and terminal No.
Refer to “Connector Layout Diagram”.
Refer to “System Circuit Diagram”.
Refer to “List of Connectors”.
IMMOBI IGIG1IG Coil, etcE39 E41E40 BCM G34G33 G32 K01 L04 L05 L06
IG Coil IG1
15A
MTR
10A
A/B
15A
2
65
13
J/BConnector No. / Terminal No.
BCM ;IG1
MTR Power, etc
A/B CONTK-LINE
K-LINE
A/B SIGNAL
A/B SIGNAL
A/B SIG
A/B SIG
IG Sig
10AEPS ATMTA
4
6
1
3
24
8
11
9
12
9
11
23
25
30
29
Example
J/B
J/B
ORN
GRNBLU
J/B
J/B inner circuit
BLK/WHT
I5RW0A910990-03
"SYSTEM CIRCUIT DIAGRAM"
-Connector code and terminal No.
"CONNECTOR LAYOUT DIAGRAM"
-Connector location.
CROSS-REFERENCE
"CONNECTOR LIST"
-Connector shape and terminal position.
C02
C02C02
C02
C02
C02
I5RW0A910991-02

Downloaded from www.Manualslib.com manuals search engine 9A-19 Wiring Systems:
Instrument PanelS6RW0D910A003
E: Main harness, power steering wire (RHD)
E: Main harness
E: Power steering wireE159/GRY Front turn signal light (R)E247/BLK
(Taiwan)Headlight LO relay (R)
E160/GRY Front turn signal light (L)E248/BLK
(Taiwan)Headlight LO relay (L)
E161/N Front position light (R) E281/BLK Horn
E162/N Front position light (L) E311/BLK Main fuse box
E163/BLK Front fog light (R) E312/N Main fuse box
E164/BLK Front fog light (L) E371/N Engine harness (To C343)
E165/N Side turn signal light (R) No./Color Connective position No./Color Connective position
E12E13E11E387
(TO L371)E04E388
(TO L372)
E31E61
E377
E378
E325
E323
E324
E381
(TO G333)
E382
(TO G334)
E191E181E192
10
Power steering wire
E
I6RW0C910908-04
No./Color Connective position No./Color Connective position
E04/BLU BCM E325/N J/B
E13/BLK P/S control module E377/BLU Power steering wire (To E378)
E181/N Brake light switch E381/GRY Instrument panel harness (To G333)
E191/BLK APP (Acceleration pedal) sensor E382/BRN Instrument panel harness (To G334)
E192/N CPP (clutch pedal) cut switchE383/GRN
(IF EQPD)Instrument panel harness (To G335)
E323/BRN J/B E387/N Floor harness (To L371)
E324/N J/B E388/YEL Floor harness (To L372)
No./Color Connective position No./Color Connective position
E11/BLK P/S control module E61/GRY P/S motor
E12/BLU P/S control module E378/BLU Main harness (To E377)
E31/GRY Torque sensor

Downloaded from www.Manualslib.com manuals search engine Wiring Systems: 9A-20
E: Main harness, power steering wire (LHD)
E: Main harness
E: Power steering wire
E12E13E11E387
(TO L371)E04E388
(TO L372)
E31E61
E377
E378
E325
E323
E324
E381
(TO G333)
E382
(TO G334)
E191E181
10 Power steering wire
E
I6RW0C910909-02
No./Color Connective position No./Color Connective position
E04/BLU
(Except
Taiwan)BCM E325/N J/B
E13/BLK P/S control module E377/BLU Power steering wire (To E378)
E181/N Brake light switch E381/GRY Instrument panel harness (To G333)
E191/BLK APP (Acceleration pedal) sensor E382/BRN Instrument panel harness (To G334)
E323/BRN J/B E387/N Floor harness (To L371)
E324/N J/B E388/YEL Floor harness (To L372)
No./Color Connective position No./Color Connective position
E11/BLK P/S control module E61/GRY P/S motor
E12/BLU P/S control module E378/BLU Main harness (To E377)
E31/GRY Torque sensor

Downloaded from www.Manualslib.com manuals search engine 9A-21 Wiring Systems:
G: Instrument panel harness, Instrument panel antenna wire / S: Contact coil (RHD)
G: Instrument panel harness
G146G141G309
G34G26G253
G266G255
G144
G241
G17
G310G153
G248
G311
G61
G259
1311
14
G16
G341
(TO L374)
G354
(TO K154)
G342
(TO L375)
G348
(TO K153)
G254
G152
G04
G271
G272
G307
G211
G343
(TO L376)
G344
(TO L377) G147G345
(TO L378)
G334
(TO E382)
G333
(TO E381)
G20
S121S61
G32 G155 G154
G63
G62G65G64G273
G151
G150
G308
G306
G35
G251
G347
S172
G346
S171
GSS
Instrument panel
antenna wire
G243
G267
G14
G355
(TO L409)G335
(TO E383)
I6RW0D910901-01
No./Color Connective position No./Color Connective position
G04/BLU BCM G248/BLU Audio (Navigation)
G14/N (IF
EQPD)Auto leveling control module G251/N ACC socket
G16/N (IF
EQPD)KLS ECM G253/GRN Multi information display
G17/BLK ICMG254/N (IF
EQPD)Keyless receiver
G20/GRN
(Auto A/C)Auto A/C unitG255/BLK
(Auto A/C)Diode #1
G26/N (IF
EQPD)4WD control module G259/ORN Passenger inflator
G32/N EVAP thermistor G271/N J/B
G34/N (Auto A/
C)Room temperature sensor G272/N J/B
G35/N (Auto A/
C)Sunlight sensor G273/N J/B
G61/N Heater fan motor G306/N J/C
G62/BLK Fresh/Recircle actuatorG307/N (IF
EQPD)J/C
G63/BLK (Auto
A/C)Mode selecting actuator G308/N J/C
G64/BLK (Auto
A/C)Temperature control actuator G309/GRY J/C
G65/N Fan driverG310/N (Auto
A/C)J/C
G141/BLK COMB switch G311/GRY J/C
G144/N COMB switch G333/GRY Main harness (To E381)
G146/N Main switch (key) G334/BRN Main harness (To E382)

Downloaded from www.Manualslib.com manuals search engine 9A-23 Wiring Systems:
G: Instrument panel harness, Instrument panel antenna wire / S: Contact coil (LHD)
G: Instrument panel harness
G146G141
G309
G34
G253
G266G255
G144
G241
G17G311
G153 G63
G248
G310
G61
G259G243
G267
G355
(TO L409)
1311
14
G16
G341
(TO L374)
G354
(TO K154)
G342
(TO L375)
G348
(TO K153)
G352
(TO L402)
G254
G04
G271
G272
G307
12
G211
G343
(TO L376)G349
(TO L399)
G344
(TO L377)G147G345
(TO L378)
G334
(TO E382)
G333
(TO E381)
G20
S121S61
G32 G155 G154 G64
G62G214
G65 G273
G151
G152 G150
G05 G06
G308
G306 G265
G35
G251
G347
S172
G346
S171
G S S
Instrument panel
antenna wire
I6RW0D910902-01
No./Color Connective position No./Color Connective position
G04/N or BLU BCM G248/BLU Audio (Navigation)
G05/N (Taiwan) BCM G251/N ACC socket
G06/BLK
(Taiwan)BCM G253/GRN Multi information display
G16/N (IF
EQPD)KLS ECMG254/N (IF
EQPD)Keyless receiver
G17/BLK ICMG255/BLK
(Auto A/C)Diode #1
G20/GRN
(Auto A/C)Auto A/C unit G259/ORN Passenger inflator
G32/N EVAP thermistorG265/N
(Taiwan)Security option
G34/N (Auto A/
C)Room temperature sensor G271/N J/B
G35/N (Auto A/
C)Sunlight sensor G272/N J/B
G61/N Heater fan motor G273/N J/B
G62/BLK Fresh/Recircle actuator G306/N J/C
G63/BLK (Auto
A/C)Mode selecting actuatorG307/N (IF
EQPD)J/C
G64/BLK (Auto
A/C)Temperature control actuator G308/N J/C
G65/N Fan driver G309/GRY J/C
G141/BLK COMB switchG310/N (Auto
A/C)J/C
G144/N COMB switch G311/GRY J/C
G146/N Main switch (key) G333/GRY or N Main harness (To E381)
G147/N IG switch G334/BRN Main harness (To E382)

Downloaded from www.Manualslib.com manuals search engine Wiring Systems: 9A-28
FloorS6RW0D910A005
L: Floor harness, Coupling harness, Floor antenna wire / Q: Side curtain air-bag wire, Side air-bag (R)
harness, Side air-bag (L) harness / R: Fuel pump wire (RHD)
L: Floor harness
21
20
24
19
171815
16L383
(TO K152)
L390
(TO O231)
L391
(TO O232)
L164
L134
L397
L408
L292
L293
L32
L132
L133
L296L381
(TO J217)
L375
(TO G342)
L374
(TO G341)L380
(TO J216)L378
(TO G345)
L161
L283
L35
L36
L301
Q105
R101
L102
L40
L294
L31L174L33L167Q104L04
Q103L382
(TO J218)
L376
(TO G343)
L170
L379
(TO J215)
L371
(TO E387)
L372
(TO E388)
L377
(TO G344)
Q102L162L285
L163
L101
L348
L314
L315
L312
L313
L01
L395
Q132
L385
Q134L393
(TO O233)
L346
L347
L389
R151
L384
Q133
L
R Q
Coupling harness
Side air-bag (R) harnessFloor antenna
wire
Side air-bag (L) harness
L410
(TO O240)
L308L307
L409
(TO G355)
I6RW0C910914-02
No./Color Connective position No./Color Connective position
L01/BLU BCM L313/YEL J/B
L04/PNK (4ch) Air-bag control module (A/B SDM) L314/N J/B
L04/BRN (8ch) Air-bag control module (A/B SDM) L315/N J/B
L31/GRY Wheel speed sensor (RR) L346/N J/C
L32/GRY Wheel speed sensor (RL) L347/N J/C
L33/BLK (IF
EQPD)G sensor L348/GRY J/C
L35/N (8ch) Side air-bag sensor (R) L371/N Main harness (To E387)
L36/N (8ch) Side air-bag sensor (L) L372/YEL Main harness (To E388)
L101/NA/T shift lever assy (Shift lock solenoid,
O/D OFF switch)L374/BLU Instrument panel harness (To G341)
L132/GRY Luggage compartment lightL375/N (IF
EQPD)Instrument panel harness (To G342)
L133/N Rear combination light (R) L376/N Instrument panel harness (To G343)
L134/N Rear combination light (L) L377/YEL Instrument panel harness (To G344)
L161/N Front door switch (Driver side) L378/YEL Instrument panel harness (To G345)
L162/N Front door switch (Passenger side) L379/GRY Door harness (Driver side) (To J215)
L163/N Rear door switch (R) L380/GRY Door harness (Passenger side) (To J216)

Downloaded from www.Manualslib.com manuals search engine Wiring Systems: 9A-30
L: Floor harness, Floor antenna wire / Q: Side curtain air-bag wire, Side air-bag (R) harness, Side air-bag (L)
harness / R: Fuel pump wire (LHD)
L: Floor harness
21
22
20
24
19
17
18
15
16
L383
(TO K152)
L390
(TO O231)
L391
(TO O232)
L410
(TO O240)
L164
L308
L134
L292
L293
L32
L132
L133
L296L381
(TO J217)
L375
(TO G342)
L402
(TO G352)
L374
(TO G341)L409
(TO G355)
L380
(TO J216)
L378
(TO G345)
L162
L285L282
L35
L36L281 L307
L301
Q105
R101L171
L294 L170
L31L167Q104L04
L172
Q103
L382
(TO J218)
L376
(TO G343)L379
(TO J215)
L371
(TO E387)
L372
(TO E388)L377
(TO G344)Q102
L161L283
L163
L101L348
L399
(TO G349)
L314
L315
L312
L313
L01
L395
Q132
L385
Q134L393
(TO O233)
L346
L347
L389
R151
L384
Q133
L
R Q
Side air-bag (R) harnessFloor antenna wire
Side air-bag (L) harnessI6RW0D910903-01
No./Color Connective position No./Color Connective position
L01/BLU
(Except
Ta i w a n )BCM L312/N J/B
L04/PNK (4ch) Air-bag control module (A/B SDM) L313/YEL J/B
L04/BRN (8ch) Air-bag control module (A/B SDM) L314/N J/B
L31/GRY Wheel speed sensor (RR) L315/N J/B
L32/GRY Wheel speed sensor (RL) L346/N J/C
L35/N (8ch) Side air-bag sensor (R) L347/N J/C
L36/N (8ch) Side air-bag sensor (L) L348/GRY J/C
L101/NA/T shift lever assy (Shift lock solenoid,
O/D OFF switch)L371/N Main harness (To E387)
L132/GRY Luggage compartment light L372/YEL Main harness (To E388)
L133/N Rear combination light (R) L374/BLU Instrument panel harness (To G341)
L134/N Rear combination light (L)L375/N (IF
EQPD)Instrument panel harness (To G342)
L161/N Front door switch (Driver side) L376/N Instrument panel harness (To G343)
L162/N Front door switch (Passenger side) L377/YEL Instrument panel harness (To G344)
L163/N Rear door switch (R) L378/YEL Instrument panel harness (To G345)
L164/N Rear door switch (L) L379/GRY Door harness (Driver side) (To J215)
L167/BLK Parking brake switch L380/GRY Door harness (Passenger side) (To J216)

Downloaded from www.Manualslib.com manuals search engine 9A-35 Wiring Systems:
5
4
3
2
YELBLUBLUGRN
G2731E3237G27352
J/B
4219
30A
15A
25
30A
35
10A
23
15A
24
15A
20
15A
21
10A
22
10A
26
10A
27
15A
28
10A
relayBlower
fan relay
BCM
1
WHT
E3242
29
10A
30
15A
39
15A
36
10A
38
30A
31
20A
37
15A
Flasher relay
relayTail
light
relay
relay
H
BCM
Except Taiwan
Taiwan AB
BAA
32
15A
I6RW0C910920-04