Dtc B1074: Driver Forward Impact-Sensor Circuit Open - Suzuki SX4 Service Manual

8B-67 Air Bag System:
Step
3 Forward impact-sensor circuit check
1) Measure resistance between "L04-50" and "L04-51"
terminals.
Special tool
(A): 09932–76010
Is each measured resistance infinity?
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to "DTC Clearance", if any.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.

DTC B1074: Driver Forward Impact-Sensor Circuit Open

Wiring Diagram
Refer to "DTC B1073: Driver Forward Impact-Sensor Circuit Shorted to Ground".
DTC Detecting Condition and Trouble Area
DTC detecting condition
Forward impact-sensor circuit has been shorted to power
circuit or opened for more than 4 sec.
Action
(A)
"L04-50" "L04-51"
I7RW01821028-01
Yes
Replace defective
forward impact-sensor,
and recheck.
If this DTC is still
detected, replace SDM.
Trouble area
• Forward impact-sensor
• Forward impact-sensor circuit
• SDM
No
Repair short to ground
in defective circuit.
S7RW0A8204037