Suzuki 2006 SX4 Service Manual page 1125

Step
4 Power supply circuit check
1) With ignition switch turned OFF, disconnect connector
from SDM.
2) Check for proper connection to SDM terminal at "L04-
27".
3) With ignition switch turned ON, measure voltage
between "L04-27" terminal of SDM connector and body
ground.
Special tool
(A): 09932–76010
"L04-27"
Is voltage in 10 – 14 V?
5 Ground circuit check
1) Turn ignition switch to OFF position.
2) Check for proper connection to SDM terminal at "L04-
28".
3) Measure resistance between "L04-28" terminal and
vehicle body ground.
Special tool
(A): 09932–76010
Ω
Is resistance 1 or less?
Action
(A)
(A)
"L04-28"
Yes
Go to Step 5.
I7RW01822106-05
SDM Power Supply and
ground circuit is good
condition.
I7RW01822107-04
Air Bag System: 8B-86
No
Repair defective wire
circuit.
Repair defective wire
circuit.