Suzuki Wagon R RB310 Supplementary Service Manual page 179

10B-26 AIR BAG SYSTEM
DTC B1019 : Passenger Air Bag Initiator Circuit Short to Power Circuit
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
(inflator) module at terminals in "G74" connector.
3) If OK, then connect Special Tool (B) to passenger
air bag (inflator) module connector "G74" discon-
nected at the step 1).
With ignition switch ON, is DTC B1019 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 voltage from "G66-24" terminal to body
ground.
With ignition switch ON, is voltage 0 – 1 V?
3 1) Measure voltage from "G66-23" terminal to body
ground.
With ignition switch ON, is voltage 0 – 1 V?
[A]
[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
"G74"
1. SDM connector "G66"
Yes
Go to step 2.
Go to step 3.
Substitute a known-
good SDM and
recheck.
[B]
(A)
1
"G66-23" "G66-24"
(A)
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 power
circuit.
Repair short from "YEL"
wire circuit to power cir-
cuit.