Dtc B1071: Forward-Sensor Performance Problem; Dtc B1072: Forward-Sensor Communication Error; Dtc B1073: Forward-Sensor Circuit Short To Ground - Suzuki Swift Sport 2004 Service & Repair Manual

8B-76 Air Bag System:
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 DTCs referring to "DTC Clearance", if any.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.

DTC B1071: Forward-Sensor Performance Problem

DTC Will Set when
SDM receives internal fault signal or wrong ID (Part No.) signal from forward-sensor.
DTC Troubleshooting
1) Turn ignition switch OFF.
2) Replace forward-sensor referring to "Forward-Sensor Removal and Installation".
3) Repeat "Air Bag Diagnostic System Check".

DTC B1072: Forward-Sensor Communication Error

DTC Will Set when
Forward-sensor abnormal signal is detected by SDM.
DTC Troubleshooting
1) Turn ignition switch OFF.
2) Replace forward-sensor referring to "Forward-Sensor Removal and Installation".
3) Repeat "Air Bag Diagnostic System Check".
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 B1073: Forward-Sensor Circuit Short to Ground

Wiring Diagram
GRN
1
2
"G32"
1. From main fuse
2. Ignition switch
3. "A/BAG" fuse
"L04"
4
RED
L29-27 IG
3
BLK
L29-28 E1
7
"L29"
4. Junction block assembly
5. SDM
6. Forward-sensor
5
"L29"
"L03" "E44"
ORN
FD+ L29-50
PNK/BLK
FD- L29-51
7. Ground for air bag system
S7RS0B8204034
S7RS0B8204035
S7RS0B8204036
"E13"
ORN
6
PNK/BLK
I7RS0A820024-01