Suzuki Wagon R RB310, Supplementary Service Manual

Page: 182 / 254

AIR BAG SYSTEM 10B-29
DTC B1022 : Driver Air Bag Initiator Circuit Resistance Low
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 diagnostic trouble codes (Refer to DTC CLEARANCE), if any.
• Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.
Step Action Yes No
1 1) With ignition switch OFF, disconnect contact
coil connector “G65” behind steering wheel.
2) Check proper connection to contact coil at
terminals in “G65” connector.
3) If OK, then connect Special Tools (B) and
(C) to contact coil connector “G65” discon-
nected at step 1).
With ignition switch ON, is DTC B1022 current?
Go to step 2. Go to step 3.
2 1) With ignition switch OFF, disconnect SDM
connector “G66”.
2) Check proper connection to SDM at termi-
nals “G66-27” and “G66-26”.
3) If OK, release shorting bar in SDM connec-
tor inserting release tool (1) included in spe-
cial tool (A).
4) Measure resistance between “G66-27” and
“G66-26” terminals with connected Special
Tools (B) and (C) to “G65” connector.
Is resistance 1.8
Ω
or more?
Substitute a known-good
SDM and recheck. Repair short from “GRN/
RED” wire circuit to
“GRN” wire circuit or from
“GRN/RED” or “GRN”
wire circuit to other wire
circuit.
3 1) With ignition switch OFF, disconnect Special
Tools (B) and (C) from “G65” connector,
then reconnect contact coil connector “G65”
as it was.
2) Remove driver air bag (inflator) module from
steering wheel (Refer to DRIVER AIR BAG
(INFLATOR) MODULE in Section 3C).
3) Check proper connection to driver air bag
(inflator) module at terminals in “Q08” con-
nector.
4) If OK, then connect Special Tools (B) and
(C) to “Q08” connector.
With ignition switch ON, is DTC B1022 current?
Ignition switch OFF.
Replace contact coil
assembly (Refer to COM-
BINATION SWITCH/
CONTACT COIL AND
COMBINATION SWITCH
ASSEMBLY in Section 3). Ignition switch OFF.
Replace driver air bag
(inflator) module (Refer to
DRIVER AIR BAG
(INFLATOR) MODULE in
Section 3).