Dtc B1073 / B1077: Driver / Passenger Forward-Sensor Circuit Short To Ground - Suzuki GRAND VITARA Owner's Manual

DTC B1073 / B1077: Driver / Passenger Forward-Sensor Circuit Short to Ground

Wiring Diagram
[A]
BLK/YEL
1
2
[B]
BLK/YEL
1
2
[A]: Without side-air bag and curtain-air bag
[B]: With side-air bag and curtain-air bag
1. From main fuse
2. Ignition switch
CAUTION
!
Be sure to observe instructions under CAUTION in "Air Bag Diagnostic System Check Flow".
DTC Will Set when
Forward-sensor abnormal signal is detected by SDM.
Flow Test Description
Step 1: Check for short circuit between forward-sensor circuit and ground.
Step 2: Check if malfunction is in forward-sensor.
"G47"
4
"G01"
3
RED
G47-16 IG
8
BLK
G47-20 GND
"G46"
4
"G01"
3 RED
G46-11 IG
8
BLK
G46-16 GND
3. "A/B" fuse
4. Junction block assembly
5. SDM
6. Forward-sensor
"G47"
5
5V
ORN
FD+ G47-9
PNK/BLK
FD- G47-17
PNK
FP+ G47-11
PNK/BLU
FP- G47-19
"G06"
"L33"
5
5V
ORN
FD+ L33-9
PNK/BLK
FD- L33-10
PNK
FP+ L33-12
PNK/BLU
FP- L33-11
"L03"
7. Passenger forward-sensor
8. Ground for air bag system
Air Bag System: 8B-67
S5JB0A8204036
"E13"
ORN
6
PNK/BLK
PNK
7
PNK/BLU
"E24"
"E77"
"E13"
ORN
6
PNK/BLK
PNK
7
PNK/BLU
"E24"
"E79"
I5JB0A820049-01