Sdm Power Supply And Ground Circuit Check - Suzuki 2006 SX4 Service Manual

8B-85 Air Bag System:

SDM Power Supply and Ground Circuit Check

Wiring Diagram
2
BLK
3
3
1
1. Battery
2. Main fuse
3. Fuse
4. Individual circuit fuse box No.1
5. "IGN" fuse
Troubleshooting
Step
1 Battery voltage check
1) Measure voltage on battery.
Is voltage in 9 – 16 V?
2 Connection check
1) Check for loose each connection.
Is it connected securely?
3 Circuit fuse check
1) With ignition switch turn OFF, check "A/B" fuse for
blowing.
Is "A/B" fuse in good condition?
"G273"
4
6
5
WHT GRN
WHT
"E324"
11
BLK
13
6. Ignition switch
7. Junction block assembly
8. "A/B" fuse
9. "METER" fuse
10. "DOME" fuse
Action
"L04"
7 "L313"
8 RED
9
RED/BLK
10
WHT/RED
"G271"
12
"G241"
YEL/BLK
15
BLK
11. Combination meter
12. "AIR BAG" warning light
13. Light driver
14. SDM
15. Ground for SDM
Go to Step 2.
Go to Step 3.
Go to Step 4.
14
30V
5V
12V
L04-27
16
17
12V
L04-2
L04-28
16. DC / DC converter
17. Back up capacitor
Yes
Check charging system
and repair as necessary
referring to "Generator
Test (Undercharged
Battery Check) in
Section 1J" or
"Generator Test
(Overcharged Battery
Check) in Section 1J".
Intermittent trouble.
Check for intermittent
trouble referring to
"Inspection of
Intermittent and Poor
Connections" If OK,
substitute a known-
good SDM and recheck.
Repair defective wire
circuit. After repaired,
replace "A/B" fuse.
S6RW0D8204049
I6RW0C820016-01
No