Suzuki GA413 Service Manual page 723

DTC B1022:
STEP
1 1) With ignition switch OFF, disconnect contact coil
connector located near the base of the steering
column.
2) Check proper connection to contact coil at ter-
minals in "B" connector.
3) If OK then connect Special Tool (B) to contact
coil connector disconnected at step 1).
4) With ignition switch ON, is DTC B1022 current?
2 1) With ignition switch OFF, disconnect SDM.
2) Check proper connection to SDM at terminals
"A9" and "A10".
3) If OK then measure resistance between "A9"
and "A10" terminals with connected Special Tool
(B).
4) Is resistance 1.7 W or more?
3 1) With ignition switch OFF, disconnect Special
Tool (B) then reconnect contact coil connector
located near the base of the steering column.
2) Remove driver air bag (inflator) module from
steering wheel (Refer to DRIVER AIR BAG (IN-
FLATOR) MODULE in SECTION 3C).
3) Check proper connection to driver air bag (infla-
tor) module at terminals in "C" connector.
4) If OK then connect Special Tool (B) to "C" con-
nector.
5) With ignition switch ON, is DTC B1022 current?
Fig. for STEP 1 and 2
Special Tool
(A): 09932-76010
(B): 09932-75010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (Refer to DTC CLEARANCE), if any.
3) Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.
ACTION
Fig. for STEP 2
YES
Go to step 2.
Substitute a known-
good SDM and re-
check.
1) Ignition switch OFF.
2) Replace contact
coil assembly (Re-
fer to COMBINA-
TION SWITCH/
CONTACT COIL
AND COMBINA-
TION SWITCH AS-
SEMBLY in SEC-
TION 3C).
Fig. for STEP 3
AIR BAG SYSTEM 10B-29
NO
Go to step 3.
Repair short from "G"
wire circuit to "G/R" wire
circuit or from "G" or
"G/R" wire circuit to oth-
er wire circuit.
1) Ignition switch OFF.
2) Replace driver air
bag (inflator) module
(Refer to DRIVER
AIR BAG (INFLA-
TOR) MODULE in
SECTION 3C).