Suzuki GA413 Service Manual page 725

DTC B1025:
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 B1025 current?
2 1) With ignition switch OFF, disconnect Special
Tool (B) and SDM.
2) Measure voltage from "A9" terminal to body
ground and from "A10" terminal to body ground.
3) With ignition switch ON, are they 1 V or less?
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 B1025 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 recheck.
1) Ignition switch OFF.
2) Replace contact coil
assembly (Refer to
COMBINATION
SWITCH/CONTACT
COIL AND COM-
BINATION SWITCH
ASSEMBLY in SEC-
TION 3C).
Fig. for STEP 3
AIR BAG SYSTEM 10B-31
NO
Go to step 3.
Repair short from "G"
or "G/R" wire circuit to
power circuit.
1) Ignition switch OFF.
2) Replace driver air
bag (inflator) mod-
ule (Refer to DRIV-
ER AIR BAG (IN-
FLATOR) MODULE
in SECTION 3C).