Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 625
AB(diag)-39
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
13.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC
Item
Content of diagnosis
Reference
11
Driver’s Airbag failure
• Airbag main harness circuit is shorted to ground.
• Airbag module harness (driver’s side) circuit is
shorted to ground.
• Roll connector circuit is shorted to ground.
• Driver’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-46, DTC 11
DRIVER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
12
Passenger’s Airbag failure • Airbag main harness circuit is shorted to ground.
• Airbag module harness (passenger’s side) circuit is
shorted to ground.
• Passenger’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-49, DTC 12 PAS-
SENGER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
15
Driver’s Airbag failure
• Airbag main harness circuit is shorted to power
supply.
• Airbag module harness circuit (driver’s side) is
shorted to power supply.
• Roll connector is shorted to power supply.
• Driver’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-51, DTC 15
DRIVER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
16
Passenger’s Airbag failure • Airbag main harness circuit is shorted to power
supply.
• Airbag module harness (passenger’s side) circuit is
shorted to power supply.
• Passenger’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-54, DTC 16 PAS-
SENGER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
1A
Driver’s Airbag failure
• Airbag main harness circuit is shorted.
• Airbag module harness (driver’s side) circuit is
shorted.
• Roll connector circuit is shorted.
• Driver’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-56, DTC 1A
DRIVER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
1B
Passenger’s Airbag failure • Airbag main harness circuit is shorted.
• Airbag module harness circuit (passenger’s side) is
shorted.
• Passenger’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-59, DTC 1B
PASSENGER’S AIRBAG FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
1D
Driver’s Airbag failure
• Airbag main harness circuit is open.
• Airbag module harness circuit (driver’s side) is
open.
• Roll connector circuit is open.
• Driver’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-61, DTC 1D
DRIVER’S AIRBAG FAILURE,
Diagnostic Chart with Trouble
Code.>
1E
Passenger’s Airbag failure • Airbag main harness circuit is open.
• Airbag module harness circuit (passenger’s side) is
open.
• Passenger’s airbag module is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-64, DTC 1E
PASSENGER’S AIRBAG FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
21
Airbag ECU failure
Airbag control module is faulty.
<Ref. to AB(diag)-66, DTC 21 AIR-
BAG ECM FAILURE, Diagnostic
Chart with Trouble Code.>
22
Front Impact Ignition
Front airbag module and seat belt pretensioner (LH/
RH) are inflated.
<Ref. to AB(diag)-66, DTC 22
FRONT AIRBAG FIRING OUT-
PUT, Diagnostic Chart with Trouble
Code.>
AB(diag)-40
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
26
Passenger’s Airbag indi-
cator failure
• Passenger’s airbag indicator is faulty.
• Airbag control module is faulty.
• Airbag main harness circuit is open, shorted or
shorted to ground.
• Body harness circuit is open.
27
ODS Communication
error
• Occupant detection control module communication
is faulty.
• Airbag rear harness circuit is open, shorted,
shorted to ground or shorted to power supply.
• Occupant detection harness is faulty.
• Airbag control module is faulty.
• Occupant detection system is faulty.
<Ref. to AB(diag)-69, DTC 27 ODS
COMMUNICATION ERROR, Diag-
nostic Chart with Trouble Code.>
29
ODS failure
• Occupant detection sensor is faulty.
• Occupant detection control module is faulty.
• Occupant detection harness is faulty.
• Fuse is blown.
2A
ODS Calibration error
• Occupant detection control module is faulty.
• Calibration of occupant detection control module is
initial setting or faulty.
2B
ODS System wrong parts • Specification of occupant detection control module
is improper.
• Occupant detection control module is faulty.
2C
Belt tension Sensor fail-
ure
• Passenger’s seat belt tension sensor is faulty.
• Airbag rear harness circuit is open or shorted.
• Occupant detection system is faulty.
• Occupant detection harness is faulty.
2D
Airbag warning light cir-
cuit failure
• Airbag warning light is faulty.
• Open or short circuit in harness between airbag
control module and airbag warning light.
• Poor contact of airbag main harness and instru-
ment panel harness.
• Ground circuit is faulty.
• Airbag control module is faulty.
33
FrontSubSensor RH fail-
ure
Front sub sensor (RH) is faulty.
<Ref. to AB(diag)-71, DTC 33
FRONT SUB SENSOR RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
34
FrontSubSensor LH fail-
ure
Front sub sensor (LH) is faulty.
<Ref. to AB(diag)-71, DTC 34
FRONT SUB SENSOR LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
37
Buckle Switch RH failure
• Passenger’s buckle switch circuit is open, shorted
or shorted to ground.
• Occupant detection system is faulty.
• Occupant detection harness is faulty.
39
Seatbelt Warning failure
• Airbag control module is faulty.
• Body integrated unit is faulty.
• Harness circuits between body integrated unit and
airbag control module are open, shorted or shorted to
ground.
<Ref. to AB(diag)-72, DTC 39
SEAT BELT WARNING FAILURE,
Diagnostic Chart with Trouble
Code.>
3A
Front Sub Sensor RH
false installation
• Front sensor (RH) is misinstalled.
• Airbag control module is faulty.
DTC
Item
Content of diagnosis
Reference
AB(diag)-41
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
3B
Front Sub Sensor LH
false installation
• Front sensor (LH) is misinstalled.
• Airbag control module is faulty.
3C
Satellite Sensor Bus fail-
ure
Satellite safing sensor is faulty.
<Ref. to AB(diag)-74, DTC 3C
SATELLITE SENSOR BUS FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
3D
Satellite Sensor false
installation
• Satellite safing sensor is misinstalled.
• Airbag control module is faulty.
41
Side Airbag RH failure
• Side airbag harness (RH) circuit is shorted to
ground.
• Side airbag module (RH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-75, DTC 41
SIDE AIRBAG RH FAILURE, Diag-
nostic Chart with Trouble Code.>
42
Side Airbag LH failure
• Side airbag harness (LH) circuit is shorted to
ground.
• Side airbag module (LH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-77, DTC 42
SIDE AIRBAG LH FAILURE, Diag-
nostic Chart with Trouble Code.>
45
Side Airbag RH failure
• Side airbag harness (RH) circuit is shorted to power
supply.
• Side airbag module (RH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-79, DTC 45
SIDE AIRBAG RH FAILURE, Diag-
nostic Chart with Trouble Code.>
46
Side Airbag LH failure
• Side airbag harness (LH) circuit is shorted to power
supply.
• Side airbag module (LH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-81, DTC 46
SIDE AIRBAG LH FAILURE, Diag-
nostic Chart with Trouble Code.>
4A
Side Airbag RH failure
• Side airbag harness (RH) circuit is shorted.
• Side airbag module (RH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-83, DTC 4A
SIDE AIRBAG RH FAILURE, Diag-
nostic Chart with Trouble Code.>
4B
Side Airbag LH failure
• Side airbag harness (LH) circuit is shorted.
• Side airbag module (LH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-85, DTC 4B
SIDE AIRBAG LH FAILURE, Diag-
nostic Chart with Trouble Code.>
4D
Side Airbag RH failure
• Side airbag harness (RH) circuit is open.
• Side airbag module (RH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-87, DTC 4D
SIDE AIRBAG RH FAILURE, Diag-
nostic Chart with Trouble Code.>
4E
Side Airbag LH failure
• Side airbag harness (LH) circuit is open.
• Side airbag module (LH) is faulty.
• Airbag control module is faulty.
<Ref. to AB(diag)-89, DTC 4E
SIDE AIRBAG LH FAILURE, Diag-
nostic Chart with Trouble Code.>
53
Side Airbag Sensor RH
failure
Side airbag sensor (RH) is faulty.
<Ref. to AB(diag)-91, DTC 53
SIDE AIRBAG SENSOR RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
54
Side Airbag Sensor LH
failure
Side airbag sensor (LH) is faulty.
<Ref. to AB(diag)-91, DTC 54
SIDE AIRBAG SENSOR LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
55
Side Impact Ignition
• Side airbag module and curtain airbag module are
deployed.
• Curtain airbag module is deployed.
<Ref. to AB(diag)-91, DTC 55
SIDE CURTAIN AIRBAG FIRING
OUTPUT, Diagnostic Chart with
Trouble Code.>
58
Curtain Airbag Sensor RH
failure
Curtain airbag sensor (RH) is faulty.
<Ref. to AB(diag)-91, DTC 58
CURTAIN AIRBAG SENSOR RH
FAILURE, Diagnostic Chart with
Trouble Code.>
DTC
Item
Content of diagnosis
Reference
AB(diag)-42
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
59
Curtain Airbag Sensor LH
failure
Curtain airbag sensor (LH) is faulty.
<Ref. to AB(diag)-91, DTC 59
CURTAIN AIRBAG SENSOR LH
FAILURE, Diagnostic Chart with
Trouble Code.>
5A
Side Airbag Sensor RH
false installation
• Side airbag sensor (RH) is misinstalled.
• Airbag control module is faulty.
5B
Side Airbag Sensor LH
false installation
• Side airbag sensor (LH) is misinstalled.
• Airbag control module is faulty.
5C
Curtain Airbag Sensor RH
false installation
• Curtain airbag sensor (RH) is misinstalled.
• Airbag control module is faulty.
5D
Curtain Airbag Sensor LH
false installation
• Curtain airbag sensor (LH) is misinstalled.
• Airbag control module is faulty.
61
Belt Pretensioner RH fail-
ure
• Seat belt pretensioner (RH) circuit is shorted to
ground.
• Pretensioner (RH) is faulty.
• Pretensioner harness (RH) is shorted to ground.
• Airbag control module is faulty.
<Ref. to AB(diag)-93, DTC 61
BELT PRETENSIONER RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
62
Belt Pretensioner LH fail-
ure
• Seat belt pretensioner (LH) circuit is shorted to
ground.
• Pretensioner (LH) is faulty.
• Pretensioner harness (LH) is shorted to ground.
• Airbag control module is faulty.
<Ref. to AB(diag)-95, DTC 62
BELT PRETENSIONER LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
65
Belt Pretensioner RH fail-
ure
• Seat belt pretensioner (RH) circuit is shorted to
power supply.
• Pretensioner (RH) is faulty.
• Pretensioner harness (RH) is shorted to power sup-
ply.
• Airbag control module is faulty.
<Ref. to AB(diag)-97, DTC 65
BELT PRETENSIONER RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
66
Belt Pretensioner LH fail-
ure
• Seat belt pretensioner (LH) circuit is shorted to
power supply.
• Pretensioner (LH) is faulty.
• Pretensioner harness (LH) is shorted to power sup-
ply.
• Airbag control module is faulty.
<Ref. to AB(diag)-99, DTC 66
BELT PRETENSIONER LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
6A
Belt Pretensioner RH fail-
ure
• Seat belt pretensioner (RH) circuit is shorted.
• Pretensioner (RH) is faulty.
• Pretensioner harness (RH) is shorted.
• Airbag control module is faulty.
<Ref. to AB(diag)-101, DTC 6A
BELT PRETENSIONER RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
6B
Belt Pretensioner LH fail-
ure
• Seat belt pretensioner (LH) circuit is shorted.
• Pretensioner (LH) is faulty.
• Pretensioner harness (LH) is shorted.
• Airbag control module is faulty.
<Ref. to AB(diag)-103, DTC 6B
BELT PRETENSIONER LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
6D
Belt Pretensioner RH fail-
ure
• Seat belt pretensioner (RH) circuit is open.
• Pretensioner (RH) is faulty.
• Pretensioner harness (RH) is open.
• Airbag control module is faulty.
<Ref. to AB(diag)-105, DTC 6D
BELT PRETENSIONER RH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
6E
Belt Pretensioner LH fail-
ure
• Seat belt pretensioner (LH) circuit is open.
• Pretensioner harness (LH) is open.
• Airbag control module is faulty.
<Ref. to AB(diag)-107, DTC 6E
BELT PRETENSIONER LH FAIL-
URE, Diagnostic Chart with Trou-
ble Code.>
DTC
Item
Content of diagnosis
Reference
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