connector SUBARU TRIBECA 2009 1.G Service Owner's Guide
[x] Cancel search | Manufacturer: SUBARU, Model Year: 2009, Model line: TRIBECA, Model: SUBARU TRIBECA 2009 1.GPages: 2453, PDF Size: 46.32 MB
Page 57 of 2453
AB(diag)-33
Subaru Select Monitor
AIRBAG SYSTEM (DIAGNOSTICS)
B: INSPECTION
1. COMMUNICATION FOR INITIALIZING IMPOSSIBLE
DETECTING CONDITION:
Defective harness connector
TROUBLE SYMPTOM:
Communication is impossible between the airbag control module and the Subaru Select Monitor.
WIRING DIAGRAM:
AB-01299
AB1B40
12345678
910 11 12 13 14 15 16
MAIN SBF
SBF-6
NO.12NO.25
B40
AB6
B31
AB1
E
EE
1
10
12
7
282765
NO.13
IGNITIONSWITCH
AIRBAG CONTROL MODULE
BATTERY
DATA LINK CONNECTOR
123456789101112
AB6
1234567891011121314161715
1819202122232425262728
910
Page 58 of 2453
AB(diag)-34
Subaru Select Monitor
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK IGNITION SWITCH.Is the ignition switch ON? Go to step 2.Turn the ignition
switch to ON, and
select the airbag
mode using the
Subaru Select
Monitor.
2CHECK BATTERY.
1) Turn the ignition switch to OFF.
2) Measure the battery voltage.
Is the voltage more than 11 V? Go to step 3.Charge or replace
the battery.
3CHECK BATTERY TERMINAL.Is there poor contact at battery
terminal?
Repair or tighten
the battery termi-
nal.
Go to step 4.
4CHECK SUBARU SELECT MONITOR COM-
MUNICATION.
1) Turn the ignition switch to ON.
2) Using the Subaru Select Monitor, check
whether communication to other system can
be executed normally.
Are the system name and
model year displayed on Sub-
aru Select Monitor?
Go to step 9.Go to step 5.
5CHECK AIRBAG CONTROL MODULE CON-
NECTOR.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Is the connector of the air bag control mod-
ule (AB6) securely connected?
Is the connector of the air bag
control module securely con-
nected?
Go to step 6.Connect the con-
nector of the air-
bag control
module.
6CHECK SUBARU SELECT MONITOR COM-
MUNICATION.
1) Turn the ignition switch to OFF.
2) Disconnect the airbag control module con-
nector.
3) Turn the ignition switch to ON.
4) Check whether communication to other
systems can be executed normally.
Are the system name and
model year displayed on Sub-
aru Select Monitor?
Replace the airbag
control module.
Module.>
Go to step 7.
7CHECK HARNESS CONNECTOR BETWEEN
EACH CONTROL MODULE AND DATA LINK
CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the airbag control module,
ABSCM&H/U, ECM and TCM.
3) Measure the resistance between data link
connector and chassis ground.
Connector & terminal
(B40) No. 10 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 8.Repair the har-
ness and connec-
tor between each
control module
and data link con-
nector. (Replace
the harness with-
out repairing the
airbag harness.)
8CHECK THE OUTPUT SIGNAL TO THE AIR-
BAG CONTROL MODULE.
1) Turn the ignition switch to ON in the status
of step 7.
2) Measure the voltage between data link con-
nector and chassis ground.
Connector & terminal
(B40) No. 10 (+) — Chassis ground (–):
Is the voltage less than 1 V? Go to step 9.Repair the har-
ness and connec-
tor between each
control module
and data link con-
nector. (Replace
the harness with-
out repairing the
airbag harness.)
Page 59 of 2453
AB(diag)-35
Subaru Select Monitor
AIRBAG SYSTEM (DIAGNOSTICS)
2. WITHOUT DTC
DETECTING CONDITION:
•Defective combination meter
•Open circuit of harness
TROUBLE SYMPTOM:
•Airbag warning light remains on.
•“NO TROUBLE CODE” will be displayed on the Subaru Select Monitor.
For detailed operation procedure, refer to “Airbag Warning Light Failure”.
NOTE:
•For detailed operation procedure, refer to “Airbag Warning Light Failure”.
•When the airbag warning light is OFF and “NO TROUBLE CODE” is displayed on Subaru Select Monitor,
the system is in normal condition.
9CHECK THE HARNESS BETWEEN THE AIR-
BAG CONTROL MODULE AND DATA LINK
CONNECTOR.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB6) from air-
bag control module.
3) Connect the connector (1U) in the test har-
ness U to connector (AB6).
4) Measure the resistance between connector
(4U) in the test harness U and the data link
connector.
Connector & terminal
(4U) No. 18 — (B40) No. 10:
Is the resistance less than 10
Ω?
Go to step 10.Repair the har-
ness between the
airbag control
module and the
data link connec-
tor. Or replace the
airbag main har-
ness with the bulk-
head harness.
10 CHECK POWER SUPPLY CIRCUIT.
1) Turn the ignition switch to ON.
2) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 1 — Chassis ground:
(2U) No. 6 — Chassis ground:
Is the voltage more than 10 V? Go to step 11.Repair the har-
ness between the
airbag control
module and the
battery. Or replace
the airbag main
harness with the
bulkhead harness.
11 CHECK BETWEEN THE AIRBAG CONTROL
MODULE AND CHASSIS GROUND.
1) Turn the ignition switch to OFF.
2) Measure the resistance between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 10 — Chassis ground:
(2U) No. 11 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step 12.Repair the har-
ness between the
airbag control
module and the
chassis ground. Or
replace the airbag
main harness with
the bulkhead har-
ness.
12 CHECK POOR CONTACT OF CONNECTOR.Is there poor contact in the
control module power supply,
ground circuit and data link
connector?
Repair the con-
nector. (Replace
the harness with-
out repairing the
airbag system
connector.)
Replace the only
airbag control
module.
Airbag Control
Module.>
Step Check Yes No
Page 64 of 2453
AB(diag)-40
Airbag Warning Light Failure
AIRBAG SYSTEM (DIAGNOSTICS)
12.Airbag Warning Light Failure
A: AIRBAG WARNING LIGHT REMAINS ON
DETECTING CONDITION:
•Airbag warning light is faulty.
•Airbag control module to airbag warning light circuit is shorted or open.
•Grounding circuit is faulty.
•Airbag control module is faulty.
•Connection of (AB1) and (B31) is improper.
•Connection of (AB6) to airbag control module is improper.
CAUTION:
•Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground terminal from battery, and wait more than 20 seconds before starting to work.
•After replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, reconnect each part and confirm that the warning light operates properly.
•When inspecting the airbag main harness, disconnect the airbag module connectors and seat belt
pretensioners of the driver’s and passenger’s seats for safety reasons.
WIRING DIAGRAM:
AB-01298
AB6
B31
AB1
No.5
3
B12
A3A4
11
AB6AB1i10
B403i2
i126i127
i10A:i11B:
B403
1
13
123456789
1611101514131217 191823 252420 2221
435689122827141110 133029262524232221201918172116157
1245614131211109873
i11
1245614715 1613121110983
i102
1234567891011121314151617
1819202122232425262728
IGNITIONSWITCH
COMBINATION METER
BATTERY
AIRBAG WARNING LIGHT
AIRBAG CONTROL MODULE
:TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
:TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
REVERSECIRCUIT
123456789101112
i126
i127
1256347891011 12
2*
2***
1*
Page 65 of 2453
AB(diag)-41
Airbag Warning Light Failure
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1READ DTC.
Read the DTC.
OPERATION, Subaru Select Monitor.>
Is DTC displayed? Perform the diag-
nosis according to
DTC.
Go to step 2.
2CHECK POOR CONTACT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Confirm that there is solid connection
between the airbag control module and con-
nector (AB6).
Is there poor contact in con-
nector (AB6)?
If the poor contact
of the connector is
not fixed, replace
the airbag main
harness with body
harness or replace
the airbag control
module.
Control Module.>
Go to step 3.
3CHECK AIRBAG MAIN HARNESS.
1) Remove the instrument panel lower cover
and disconnect the connectors (AB7) and
(AB2).
2) Remove the console side cover lower on
the passenger's side and disconnect the con-
nectors (AB10) and (AB9).
3) Disconnect the connector (AB6) from air-
bag control module, and connect the connector
(1U) in the test harness U.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Connect the connectors (7U) and (8U) in
the test harness U.
NOTE:After the fault has been cleared, disconnect the
connectors (7U) and (8U).
Does the airbag warning light
go off?
Go to step 4.Go to step 5.
4CHECK GROUND CIRCUIT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB6) from air-
bag control module.
3) Connect the connector (1U) in the test har-
ness U to body harness connector (AB6).
4) Measure the resistance between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 10 — Chassis ground:
(2U) No. 11 — Chassis ground:
Is the resistance less than 10
Ω?
Replace the airbag
control module.
Module.>
Repair the chas-
sis ground circuit.
5CHECK AIRBAG MAIN HARNESS AND
BULKHEAD HARNESS.
1) Disconnect the connectors (7U) and (8U).
2) Remove the combination meter.
3) Measure the resistance between connector
(i11) and connector (2U) in the test harness U.
Connector & terminal
(2U) No. 7 — (i11) No. 12:
Is the resistance less than 10
Ω?
Check the combi-
nation meter.
Go to step 6.
Page 66 of 2453
AB(diag)-42
Airbag Warning Light Failure
AIRBAG SYSTEM (DIAGNOSTICS)
6CHECK POOR CONTACT OF CONNEC-
TORS (AB1) AND (B31).
1) Turn the ignition switch to OFF, disconnect
the battery ground terminal, and wait more
than 20 seconds.
2) Confirm that there is firm contact between
connectors (AB1) and (B31).
Is there poor contact between
connectors (AB1) and (B31)?
Repair the bulk-
head harness or
replace the airbag
main harness with
body harness.
Go to step 7.
7CHECK AIRBAG MAIN HARNESS.
Check the airbag main harness for defect.
Is there any defect in the air-
bag main harness?
Replace the airbag
main harness with
bulkhead harness.
Repair the bulk-
head harness.
Step Check Yes No
Page 67 of 2453
AB(diag)-43
Airbag Warning Light Failure
AIRBAG SYSTEM (DIAGNOSTICS)
B: AIRBAG WARNING LIGHT REMAINS OFF
DETECTING CONDITION:
•Fuse No. 5 (in fuse box) is brown out.
•Body harness circuit is open.
•Airbag warning light is faulty.
•Airbag main harness is faulty.
•Airbag control module is faulty.
CAUTION:
•Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground terminal from battery, and wait more than 20 seconds before starting to work.
•After replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, reconnect each part and confirm that the warning light operates properly.
•When inspecting the airbag main harness, disconnect the airbag module connectors and seat belt
pretensioners of the driver’s and passenger’s seats for safety reasons.
WIRING DIAGRAM:
AB-01298
AB6
B31
AB1
No.5
3
B12
A3A4
11
AB6AB1i10
B403i2
i126i127
i10A:i11B:
B403
1
13
123456789
1611101514131217 191823 252420 2221
435689122827141110 133029262524232221201918172116157
1245614131211109873
i11
1245614715 1613121110983
i102
1234567891011121314151617
1819202122232425262728
IGNITIONSWITCH
COMBINATION METER
BATTERY
AIRBAG WARNING LIGHT
AIRBAG CONTROL MODULE
:TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
:TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
REVERSECIRCUIT
123456789101112
i126
i127
1256347891011 12
2*
2***
1*
Page 68 of 2453
AB(diag)-44
Airbag Warning Light Failure
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK COMBINATION METER.
Tu r n t h e i g n i t i o n s w i t c h t o O N , a n d c o n f i r m t h a t
warning light of combination meter is turned
on.
Do warning lights except for
airbag turn on?
Go to step 2.Check the combi-
nation meter.
2CHECK DTC.
Read the DTC.
OPERATION, Subaru Select Monitor.>
Is DTC displayed? Perform the diag-
nosis according to
DTC.
Go to step 3.
3CHECK FUSE NO. 5 (IN MAIN FUSE BOX).
Remove the fuse No. 5 and perform visual
inspection.
Is the fuse No. 5 (in main fuse
box) blown out?
Replace the fuse
No. 5. If the fuse
No. 5 is blown out
again, go to step
4.
Go to step 4.
4CHECK AIRBAG WARNING LIGHT CIRCUIT
(IN COMBINATION METER).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB1) from
(B31).
3) Connect the battery ground terminal and
turn the ignition switch to ON.
Does airbag warning light turn
on?
Go to step 5.Check the combi-
nation meter.
5CHECK AIRBAG MAIN HARNESS.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Connect the connector (AB1) to (B31).
3) Disconnect the connector (AB6) from air-
bag control module.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
Does airbag warning light turn
on?
Replace the airbag
control module.
Module.>
Replace the airbag
main harness with
bulkhead harness.
Page 69 of 2453
AB(diag)-45
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
13.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Display Content of diagnosis Reference target
11 Driver’s Airbag failure • Airbag main harness circuit is open, shorted
or shorted to ground.
•Airbag module harness (Driver's side) circuit
is open, shorted or shorted to ground.
•Roll connector circuit is open, shorted or
shorted to ground.
•Airbag control module is faulty.
•Driver's airbag module is faulty.
with Trouble Code.>
12 Passenger's Airbag failure • Airbag main harness circuit is open, shorted
or shorted to ground.
•Airbag module harness (Passenger's side)
circuit is open, shorted or shorted to ground.
•Airbag control module is faulty.
•Passenger's airbag module is faulty.
Chart with Trouble Code.>
15 Driver’s Airbag failure • Airbag main harness circuit (Driver’s side) is
shorted to power supply.
•Airbag module harness circuit (Driver’s side)
is shorted to power supply.
•Roll connector is shorted to power supply.
•Airbag control module is faulty.
•Driver’s airbag module is faulty.
with Trouble Code.>
16 Passenger's Airbag failure • Airbag main harness circuit (Passenger's
side) is shorted to power supply.
•Airbag module harness circuit (Passenger's
side) is shorted to power supply.
•Airbag control module is faulty.
•Passenger's airbag module is faulty.
Chart with Trouble Code.>
21 Airbag ECU failure Airbag control module is faulty.
Tr o u b l e C o d e . >
22 Front Airbag Firing output Front airbag module and seat belt pretensioner
(LH/RH) are inflated.
Chart with Trouble Code.>
23 Connector to Airbag ECU
failure
Connection of (AB6), (AB17) and (AB18) to air-
bag control module is improper.
nostic Chart with Trouble Code.>
24 IG1 open • Airbag control module is faulty.
•Airbag main harness circuit is open.
•Fuse No. 12 (in joint box) is blown.
•Airbag rear harness circuit is open.
Code.>
25 IG2 open • Airbag control module is faulty.
•Airbag main harness circuit is open.
•Fuse No. 25 (in joint box) is blown.
•Airbag rear harness circuit is open.
Code.>
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.
Diagnostic Chart with Trouble Code.>
27 ODS Communication error • Occupant detection control module communi-
cation 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.
Chart with Trouble Code.>
Page 72 of 2453
AB(diag)-48
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
71 Driver’s Airbag failure • Airbag main harness circuit is open, shorted
or shorted to ground.
•Airbag module harness (Driver's side) circuit
is open, shorted or shorted to ground.
•Roll connector circuit is open, shorted or
shorted to ground.
•Airbag control module is faulty.
•Driver's airbag module is faulty.
tic Chart with Trouble Code.>
72 Passenger's Airbag failure • Airbag main harness circuit is open, shorted
or shorted to ground.
•Airbag module harness (Passenger's side)
circuit is open, shorted or shorted to ground.
•Airbag control module is faulty.
•Passenger's airbag module is faulty.
tic Chart with Trouble Code.>
75 Driver’s Airbag failure • Airbag main harness circuit (Driver's side) is
shorted to power supply.
•Airbag module harness circuit (Driver's side)
is shorted to power supply.
•Roll connector is shorted to power supply.
•Airbag control module is faulty.
•Driver's airbag module is faulty.
tic Chart with Trouble Code.>
76 Passenger's Airbag failure • Airbag main harness circuit (Passenger's
side) is shorted to power supply.
•Airbag module harness circuit (Passenger's
side) is shorted to power supply.
•Airbag control module is faulty.
•Passenger's airbag module is faulty.
tic Chart with Trouble Code.>
91 Curtain Airbag Module RH
failure
•Curtain airbag harness (RH) circuit is faulty.
•Curtain airbag module (RH) is faulty.
•Airbag control module is faulty.
Diagnostic Chart with Trouble Code.>
92 Curtain Airbag Module LH
failure
•Curtain airbag harness (LH) circuit is faulty.
•Curtain airbag module (LH) is faulty.
•Airbag control module is faulty.
Diagnostic Chart with Trouble Code.>
95 Curtain Airbag Module RH
failure
•Curtain airbag harness (RH) is shorted to
power supply.
•Curtain airbag module (RH) is faulty.
•Airbag control module is faulty.
Diagnostic Chart with Trouble Code.>
96 Curtain Airbag Module LH
failure
•Curtain airbag harness (LH) is shorted to
power supply.
•Curtain airbag module (LH) is faulty.
•Airbag control module is faulty.
Diagnostic Chart with Trouble Code.>
DTC Display Content of diagnosis Reference target