Suzuki Liana RH413, Service Manual

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Air Bag System: 8B-70
DTC B1061: “AIR BAG” Warning Lamp Circuit Failure
S3RH0A8204030
Wiring Diagram
CAUTION
!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow
table.
• When measurement of resistance or voltage is required in this table, use a specified digital
multimeter (Refer to “Special Tool”.) along with a correct terminal adapter from special tool
(Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittents and Poor
Connections”.
• If there is open circuit in the air bag wire harness, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
DTC Will Set when
The voltage at the “AIR BAG” warning lamp circuit “L70-30” terminal does not match the commanded state of the
warning lamp driver for specified time.
Flow Test Description
Step 1: This test rechecks “AIR BAG” warning lamp operation.
Step 2: This test rechecks whether an abnormality is in SDM.
DTC Troubleshooting
1
2
3
4
GRN
GRN
BLK/RED
YEL/RED
YEL/RED
RED
RED
BLU
BLU
5
8
9
PPL
“L79”
“L83”
“G46”
“L70”
L70-32
L70-28
L70-8
6
“G14”
“L80”
10
+30V +5V
L70-30
BLK
BLK
L70-31
11
1
BLK
BLK/ORN
WHT/RED
BLU
7
11
12
I2RH01820038-01
1. From main fuse 5. “AIR BAG” fuse 9. “AIR BAG” monitor coupler
2. Ignition switch 6. SDM 10. Ground for air bag system
3. “METER” fuse 7. Data link connector (DLC) 11. Ground on body
4. “AIR BAG” warning lamp in combination meter 8. To other control module 12. Ground on engine block
Step Action Yes No
1 1) This DTC is set when there is a trouble in “AIR BAG”
warning lamp circuit. Check “AIR BAG” warning lamp
circuit referring to “Air Bag Diagnostic System Check”.
Is “AIR BAG” warning lamp circuit in good condition?
Go to Step 2. Repair “AIR BAG”
warning lamp circuit.
2 1) Clear DTC (Refer to “DTC Clearance”).
2) Check DTC (Refer to “DTC Check”).
Is DTC B1061 set?
Substitute a known-
good SDM and recheck. Recheck air bag system
referring to “Air Bag
Diagnostic System
Check”.