2006 SUZUKI SX4 ignition

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 Air Bag System: 8B-32
DTC Troubleshooting
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Drive air bag circuit check
1) With ignition switch turned OFF, disconnect contact coil
connector located under the steering column.
2) Check for proper connection to contact coil at terminal in
“G347” connector.
3) If OK, then connect special tools (A) and (B) to “G347”
connector disconnected in Step 1).
Special tool
(A): 09932–75010
(B): 09932–78340
4) Check SDM for DTC.
With ignition switch turned ON, is DTC B1031 indicated?Go to Step 3. Go to Step 5.
3Driver air bag circuit check
1) Disconnect SDM connector “L04”.
2) Check for proper connection to SDM connector at
terminal “L04-3” and “L04-4”.
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
4) Measure resistance between “L04-3” and “G347-2”
terminals.
5) Measure resistance between “L04-4” and “G347-1”
terminals.
Is each measured resistance 1
Ω or less?Substitute a known-
good SDM and recheck.Go to Step 4.
BASE OF COLUMNBASE OF COLUMN
“G347”
(A)(B)
DRIVERPASSENGER
I7RW01821018-02
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821019-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-34
DTC Troubleshooting
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Driver air bag circuit check
1) With ignition switch turned OFF, disconnect contact coil
connector located under the steering column.
2) Check for proper connection to contact coil at terminal in
“G347” connector.
3) If OK, then connect special tools (A) and (B) to “G347”
connector disconnected in Step 1).
Special tool
(A): 09932–75010
(B): 09932–78340
4) Check SDM for DTC.
With ignition switch turned ON, is DTC B1032 indicated?Go to Step 3. Go to Step 5.
3Driver air bag circuit check
1) Disconnect SDM connector “L04”.
2) Check for proper connection to SDM connector at
terminal “L04-3” and “L04-2”.
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
4) Measure resistance between “G347-1” and “G347-2”
terminals.
Is measured resistance infinity?Substitute a known-
good SDM and recheck.Go to Step 4.
BASE OF COLUMNBASE OF COLUMN
“G347”
(A)(B)
DRIVERPASSENGER
I7RW01821018-02
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821019-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-36
DTC Troubleshooting
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Driver air bag circuit check
1) With ignition switch turned OFF, disconnect contact coil
connector “G347” located under the steering column.
2) Disconnect SDM connector “L04”.
3) Check for proper connection to flow harness connector
at terminal in “G347” connector.
4) Check for proper connection to SDM connector at
terminal “L04-3” and “L04-4”.
5) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
6) Measure resistance between “G347-1” terminal and
body ground, and between “G347-2” terminal and body
ground.
Is each measured resistance infinity?Go to Step 4. Go to Step 3.
3Floor harness circuit check
1) Disconnect “L378” connector located near the driver side
front pillar lower trim.
2) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
3) Measure resistance between “L378-1” terminal and body
ground, and between “L378-2” terminal and body
ground.
Is each measured resistance infinity?Repair “GRN/RED”
circuit or “GRN” circuit
for short to ground at
instrument panel
harness.Repair “GRN/RED”
circuit or “GRN” circuit
for short to ground at
floor harness.
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821020-01
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821020-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-38
DTC Troubleshooting
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Driver air bag circuit check
1) With ignition switch turned OFF, disconnect contact coil
connector “G347” located under the steering column.
2) Disconnect SDM connector “L04”.
3) Check for proper connection to contact coil connector at
terminal in “G347” connector.
4) Check for proper connection to SDM connector at
terminal “L04-3” and “L04-4”.
5) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
6) With ignition switch turned ON, measure voltage
between “G347-1” terminal and body ground, and
between “G347-2” terminal and body ground.
Is each measured voltage 0 V?Go to Step 4. Go to Step 3.
3Floor harness circuit check
1) Disconnect “L378” connector located near the driver side
front pillar lower trim.
2) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
3) With ignition switch turned ON, measure voltage
between “L378-1” terminal and body ground, and
between “L378-2” terminal and body ground.
Is each measured voltage 0 V?Repair “GRN/RED”
circuit or “GRN” circuit
for short to power
supply circuit at
instrument panel
harness.Repair “GRN/RED”
circuit or “GRN” circuit
for short to power
supply circuit at floor
harness.
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821022-01
“L04-4” “L04-3”
1,(A)
(A)
I7RW01821022-01

Downloaded from www.Manualslib.com manuals search engine 8B-39 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.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.

4Contact coil circuit check
1) Connect contact coil connector “G347” located under the
steering column.
2) Remove driver air bag (inflator) module from steering
column referring to “Driver Air Bag (Inflator) Module
Removal and Installation”.
3) Check for proper connection to driver air bag (inflator)
module at terminal in connector (2).
4) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
5) With ignition switch turned ON, measure voltage
between each terminals of driver air bag (inflator)
module connector (2) and body ground.
Is each measured voltage 0 V?Substitute a known-
good SDM and recheck.Replace contact coil
assembly referring to
“Contact Coil Cable
Assembly Removal and
Installation in Section
6B”. Step Action Yes No
“L04-4” “L04-3”
1,(A)
2
(A)
I7RW01821023-01

Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-40
DTC B1041: Passenger Air Bag Circuit High ResistanceS6RW0D8204022
Wiring Diagram
DTC Detecting Condition and Trouble Area
“L04”[A]
BLK
L04-28
6 8
7
RED
GRN“L313”L04-27
910
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
[L04]
14
12
15
12V5V30V 30V
13
11
BLU/RED
YEL/RED
L04-6 L04-5
“L377”
“L04”“G344”“G259”
BLU/RED
YEL/RED
1
2 BLKWHT3
4
5
12 [L377] [G259]
12
I6RW0C820009-01
[A]: Shorting bar 6. Ignition switch 12. DC / DC converter
1. Battery 7. “A/B” fuse 13. Back up capacitor
2. Fuse 8. Junction block assembly 14. Safing power driver
3. Main fuse box 9. Ground for air bag system 15.Mechanical longitudinal G sensor (switch)
4. “IGN” fuse 10. SDM
5. Individual circuit fuse box No.1 11. Passenger air bag (inflator) module
DTC detecting condition Trouble area
Passenger air bag circuit is more than 4.0 Ω for more than
4 sec.• Passenger air bag circuit
• Passenger air bag module
•SDM

Downloaded from www.Manualslib.com manuals search engine 8B-41 Air Bag System:
DTC Troubleshooting
Step Action Yes No
1Was “Air Bag Diagnostic System Check Flow” performed?Go to Step 2. Go to “Air Bag
Diagnostic System
Check Flow”.
2Passenger air bag check
1) Remove passenger air bag (inflator) module referring to
“Passenger Air Bag (Inflator) Module Removal and
Installation”.
2) Check for proper connection to passenger air bag
(inflator) module at terminals in “G259” connector.
3) If OK, then connect special tools (A), (B) and (C) to
“G259” connector.
Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78310
4) Check SDM for DTC.
With ignition switch turned ON, is DTC B1041 indicated?Go to Step 3. Replace passenger air
bag (inflator) module
referring to “Passenger
Air Bag (Inflator) Module
Removal and
Installation”.
“G259”
(B) (C)
(A)
STEERING WHEEL
I7RW01821025-02