Suzuki Wagon R Manual page 1672

DTC B1018 : Passenger Air Bag Initiator Circuit Short to Ground
Step
1 1) With ignition switch OFF, disconnect passenger air
bag (inflator) module connector "G74" behind the
glove box.
2) Check proper connection to passenger air bag (infla-
tor) module at terminals in "G74" connector.
3) If OK, then connect Special Tool (B) to passenger air
bag (inflator) module connector "G74" disconnected
at the step 1).
With ignition switch ON, is DTC B1018 current?
2 1) With ignition switch OFF, disconnect Special Tool (B)
from "G74" connector and SDM connector "G66" from
SDM respectively.
2) Release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
3) Measure resistance between "G66-24" terminal and
body ground.
Is resistance infinity?
3 1) Measure resistance between "G66-23" terminal and
body ground.
Is resistance infinity?
[A]
"G74"
[A] : Fig. for STEP 1, 2 and 3
[B] : Fig. for STEP 2 and 3
Special tool
(A) : 09932-76010
(B) : 09932-75010
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.
Action
1. Release tool
2. SDM connector "G66"
Yes
Go to step 2.
Go to step 3.
Substitute a
known-good
SDM and
recheck.
1
[B]
(A)
2
"G66-23" "G66-24"
(A)
AIR BAG SYSTEM 10B-25
No
Ignition switch OFF.
Replace passenger air
bag (inflator) module
(Refer to PASSENGER
AIR BAG (INFLATOR)
MODULE in this section).
Repair short from "YEL/
RED" wire circuit to
ground.
Repair short from "YEL"
wire circuit to ground.