Suzuki GRAND VITARA Owner's Manual page 1259

Step
3 1) With ignition switch OFF, disconnect SDM connector
"G47" or "L33".
2) Check proper connection to SDM at terminals "G47-7"
and "G47-8" or "L33-5" and "L33-6" (for DTC B1051) or
terminals "G47-1" and "G47-2" or "L33-7" and "L33-8"
(for DTC B1055).
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) Measure resistance between "G47-7" and "G47-8" (for
DTC B1051) or "G47-1" and "G47-2" (for DTC B1055)
with connected special tools (B) and (D) [A], or between
"L33-5" and "L33-6" (for DTC B1051) or "L33-7" and
"L33-8" (for DTC B1055) with connected special tools
(A), (B) and (C) [B].
Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78310
(D): 09932–77320
[A]
"G47-2"
"G47-1"
(A)
[B]
"L33-5" "L33-6" "L33-7"
(A)
Ω
Is resistance 5.5
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.
Action
1, (A)
"G47-7"
"G47-8"
(B)
BASE OF COLUMN
PASSENGER INFLATOR
1, (A)
"L33-8"
"L12", "L36"
(A)
STEERING WHEEL
or less?
Yes
Substitute a known-
good SDM and recheck.
"G55"
(D)
(C)
(B)
I5JB0A820041-01
Air Bag System: 8B-57
No
DTC B1051: High
resistance or open wire
in "GRN/ORN" or "GRN/
YEL" circuit. (Between
"G55" and "G47"
connectors or between
"L12" and "L33"
connectors)
DTC B1055: High
resistance or open wire
in "BLU/ORN" or "BLU/
YEL" circuit. (Between
"G55" and "G47"
connectors or between
"L36" and "L33"
connectors)