Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 616
AB(diag)-3
Check List for Interview
AIRBAG SYSTEM (DIAGNOSTICS)
2. Check List for Interview
A: CHECK
Customer’s Name
Inspector’s Name
Date Vehicle Brought in
/
/
Registration No.
Odometer reading
km
miles
V.I.N.
Date Problem Occurred
/
/
Registration Year
/
/
Weather
Fine
Cloudy
Rainy
Snowy
Others:
Temperature
°C (°F)
Road Condition
Flat road
Uphill
Downhill
Gravel road
Others:
Vehicle Operation
Starting
Idling
Driving
Constant speed
Accelerating
Decelerating
Turning
Others:
Details of Problem
Airbag Warning Light Opera-
tion
Normal (After turning the ignition switch to ON, lit for approximately 6 seconds and goes off.)
Remains ON
Remains OFF
DTC output
OK code
DTC: (Code:
)
AB(diag)-4
General Description
AIRBAG SYSTEM (DIAGNOSTICS)
3. General Description
A: CAUTION
• When servicing a vehicle, be sure to turn the ig-
nition switch to OFF, disconnect the ground cable
from battery, and wait for 60 seconds or more be-
fore starting work.
• The airbag system is fitted with a backup power
supply. After disconnecting the battery ground ca-
ble, the airbag may deploy if you do not wait for 60
seconds or more before starting airbag system ser-
vicing.
• If sensors, airbag module, airbag control module,
pretensioner or harness is deformed or damaged,
replace with new parts.
• Do not use the airbag system and pretensioners
on other vehicles. When replacing parts, be sure to
replace them with new parts.
• When checking the airbag system, be sure to
use a digital circuit tester. Use of an analog circuit
tester may cause the airbag to activate erroneously
due to a minimal current inside tester.
• When checking, use a test harness (1). Damage
to connector terminal causes malfunction. Do not
directly put the tester probe on airbag connector
terminal.
• Do not drop any airbag component, store them
under high temperature of 85°C (185°F) or more, or
let water, oil or grease get on them; the internal
parts may be damaged or the reliability may be
greatly lowered.
IN-00203
NG
N
N
NG
NG
N
N
NG
G
G
G
G
N
N
N
N
N
NG
G
G
G
G
N
N
N
N
N
N
N
N
N
N
N
NG
AB-01534
NG
NG
NG
NG
NG
NG
N
NG
N
OK
OK
OK
OK
K
O
OK
O
AB-01535
AB-01536
(1)
NG
NG
G
G
G
G
G
G
N
N
N
NG
G
G
G
G
G
G
G
G
NG
G
N
N
N
NG
G
G
G
G
G
G
G
G
NG
K
K
K
K
K
K
K
OK
OK
OK
OK
K
K
K
O
O
O
O
O
O
O
O
O
O
OK
K
K
K
K
K
K
K
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OK
O
O
O
O
O
O
O
O
OK
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OK
O
OK
OK
OK
K
OK
K
K
K
K
O
AB-01538
NG
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
N
N
N
N
NG
NG
N
N
N
AB(diag)-5
General Description
AIRBAG SYSTEM (DIAGNOSTICS)
• If damage, open circuit or rust is found on airbag
system wiring harness, do not use a soldering
equipment to repair. Replace the faulty harness
with a new genuine part.
• Install the wiring harness securely with the spec-
ified clips to avoid interference or tangled with other
parts.
• Do not allow water or oil to come in contact with
the connector terminals. Also, do not touch the con-
nector terminals.
• Do not disassemble driver’s airbag module, pas-
senger’s airbag module, side or curtain airbag
modules, or pretensioner.
• The airbag module cannot be used again if de-
ployed once.
• After removal, keep the airbag module with the
pad side facing upward on a dry, clean and flat sur-
face away from heat, light sources, moisture and
dust.
• Do not check continuity of the airbag modules for
driver’s side, passenger’s side and curtain, or the
pretensioner.
NG
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
NG
G
N
NG
G
N
N
N
G
N
N
N
N
N
N
N
N
N
N
N
N
NG
G
G
G
AB-01539
AB-00125
AB-01540
G
G
NG
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
NG
N
N
N
N
N
N
N
N
N
N
N
NG
N
N
N
N
N
N
N
N
N
G
N
N
N
NG
G
G
G
G
AB-01541
NG
NG
NG
G
G
N
N
N
N
N
N
N
NG
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
N
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
N
N
N
N
N
N
N
N
N
N
N
NG
G
G
G
G
G
G
G
NG
G
G
G
NG
NG
NG
AB-00056
NG
NG
NG
NG
N
N
NG
G
NG
NG
NG
NG
NG
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NG
G
N
N
N
NG
NG
G
G
G
G
G
N
N
NG
G
G
N
NG
G
NG
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
AB-01537
AB(diag)-6
General Description
AIRBAG SYSTEM (DIAGNOSTICS)
• The removed front seat with airbag module must
be kept at least 200 mm (8 in) away from walls and
other objects.
• When painting or performing sheet metal work
on the front part of the vehicle, including the front
wheel apron, front fender and front side frame, re-
move the front sub sensors and wiring harness of
airbag system.
• When painting or repairing sheet metal work on
the side of the vehicle, including the side sill, center
pillar, front and rear doors, rear crossmember and
rear floor pan, remove the side airbag sensors, cur-
tain airbag sensor, satellite safing sensor and wir-
ing harness of the airbag system.
• Do not discard undeployed airbag module. They
could easily cause a serious accident if accidentally
deployed.
(1) 200 mm (8 in) or more
AB-00128
(1)
AB-01542
NG
N
NG
N
N
N
N
N
N
N
N
NG
G
G
G
G
G
G
G
G
NG
G
NG
G
G
G
G
NG
G
G
N
N
N
N
NG
G
G
G
G
G
G
N
N
N
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