Suzuki Ignis Service Manual page 3922

Step
2 1) Check if communication is possible by trying communi-
cation with other control module (ECM or ABS control
module (if equipped)).
Is it possible to communicate with other control module?
3 1) With ignition switch OFF, disconnect SDM connector
"L21" and "L63" connector.
2) Check proper connection at "L63-1" ("BLU" wire) termi-
nal for DLC.
3) If OK, then check resistance between "L63-1" ("BLU"
wire) terminal and "L21-28" terminal of SDM connector
"L21".
Is resistance 0 – 1 Ω?
[A]
[A]: Fig. for STEP 1
[B]: Fig. for STEP 3
1. DLC
2. Scan tool
3. Floor harness side connector
Special tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.
Action Yes
Go to step 3. Repair open in common
section of serial data circuit
("BLU" wire circuit) used by
all controllers or short to
ground or power circuit
which has occurred some-
where in serial data circuit
("BLU" wire circuit).
Substitute a Repair high resistance or
known-good open in "BLU" wire circuit
SDM and (between "L83" connector
recheck. and SDM).
[B]
"L21-28"
(A)
AIR BAG SYSTEM 10B-21
No
3
"L63-1"
(A)