Suzuki SX4 Service Manual page 1173

Step
3 Driver / passenger curtain-air bag circuit check
1) Disconnect special tools from applicable side curtain-air
bag connector.
2) With ignition switch turned OFF, disconnect SDM
connector "L04".
3) Check for proper connection to SDM connector at
terminal "L04-19" and "L04-20" (for DTC B1362) or
terminal "L04-21" and "L04-22" (for DTC B1366).
4) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
Special tool
(A): 09932–76010
5) Measure resistance between "L04-19" and "L04-20"
terminals (for DTC B1362) and between "L04-21" and
"L04-22" terminals (for DTC B1366).
"L04-19" "L04-20" "L04-21"
Is each measured resistance infinity?
4 Floor harness circuit check (hatchback model)
1) With ignition switch turned OFF, remove rear inner trim
of right side and disconnect "L395" connector.
2) Check for proper connection to applicable side curtain-
air bag at terminal in "L395" connector.
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 "L04-19" and "L04-20"
terminals (for DTC B1362) and between "L04-21" and
"L04-22" terminals (for DTC B1366).
"L395"
Is each measured resistance infinity?
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components, 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.
Action
"L04-22"
(A)
1
I7RW01822090-01
"L04-19" "L04-20" "L04-21" "L04-22"
(A)
I7RW01822091-01
Yes
Substitute a known-
good SDM and recheck.
DTC B1362: Repair
"YEL/GRN" circuit for
short to "YEL/BLU"
circuit at driver curtain-
air bag harness.
DTC B1366: Repair
"BLK/YEL" circuit for
short to "BRN/YEL"
circuit at passenger
curtain-air bag harness.
1
Air Bag System: 8B-80
No
Hatchback model: Go to
Step 4.
Sedan model:
Repair "YEL/GRN"
circuit for short to "YEL/
BLU" circuit at floor
harness. (for DTC
B1362)
Repair "BLK/YEL"
circuit for short to "BRN/
YEL" circuit at floor
harness. (for DTC
B1366)
DTC B1362: Repair
"YEL/GRN" circuit for
short to "YEL/BLU"
circuit at floor harness.
DTC B1366: Repair
"BLK/YEL" circuit for
short to "BRN/YEL"
circuit at floor harness.