Suzuki Ignis Service Manual page 3930

DTC B1022:
Step
1 1) With ignition switch OFF, disconnect con-
tact coil connector "L71" located near the
base of the steering column.
2) Check proper connection to contact coil at
terminals in "L71" connector.
3) If OK, then connect Special Tool (B) and (C)
to contact coil connector "L71" discon-
nected at step 1).
With ignition switch ON, is DTC B1022 current?
2 1) With ignition switch OFF, disconnect SDM
connector "L21".
2) Check proper connection to SDM at termi-
nals "L21-27" and "L21-26".
3) If OK, then measure resistance between
"L21-27" and "L21-26" terminals with Spe-
cial Tool (B) and (C) connected.
Is resistance 2.5 Ω or more?
3 1) With ignition switch OFF, disconnect Spe-
cial Tool (B) and (C), then reconnect con-
tact coil connector "L71" located near the
base of the steering column.
2) Remove driver air bag (inflator) module
from steering wheel (Refer to "Driver Air
Bag (Inflator) Module Removal and Installa-
tion" in Section 3C).
3) Check proper connection to driver air bag
(inflator) module at terminals in driver air
bag (inflator) module connector.
4) If OK, then connect Special Tool (B) and (C)
to driver air bag (inflator) module connector.
With ignition switch ON, is DTC B1022 current?
[A]
(C)
BASE OF COLUMN
[A]: Fig. for STEP 1 and 2
Action
[B]
(B)
[B]: Fig. for STEP 2 [C]: Fig. for STEP 3
Yes
Go to step 2.
Substitute a known-good
SDM and recheck.
Ignition switch OFF.
Replace contact coil
assembly (Refer to "Con-
tact Coil Cable Assembly
Removal and Installation"
in Section 3C).
(A)
"L21-26" "L21-27"
(A)
AIR BAG SYSTEM 10B-29
No
Go to step 3.
Repair short from "GRN/
RED" wire circuit to
"GRN" wire circuit or from
"GRN/RED" or "GRN"
wire circuit to other wire
circuit.
Ignition switch OFF.
Replace driver air bag
(inflator) module (Refer to
"Driver Air Bag (Inflator)
Module Removal and
Installation" in Section
3C).
[C]