2009 SUBARU TRIBECA Harness

AB(diag)-60
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the airbag control module and the
passenger's airbag module.
Is there poor contact? Replace the airbag
harness with chas-
sis harness.
Go to step 2.
2CHECK PASSENGER'S AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Remove the console side cover lower on
the passenger's side.
3) Disconnect the connector (AB10) from
(AB9).
4) Connect the connector (1P) in the test har-
ness P to connector (AB9).
5) Connect the airbag resistor to the connec-
tors (2P) and (3P) of test harness P.
6) Connect the battery ground terminal and
turn the ignition switch to ON.
Does the airbag warning light
illuminate for 6 seconds and go
off?
Replace the pas-
senger's airbag
module. AB-16, Passen-
ger’s Airbag Mod-
ule.>
Go to step 3.
3CHECK AIRBAG MAIN HARNESS (PASSEN-
GER'S AIRBAG HARNESS).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the airbag resistor from the
connectors (2P) and (3P) of test harness P.
3) Remove the instrument panel lower cover
and disconnect the connector (AB7) from
(AB2).
4) Disconnect the connector (AB6) from air-
bag control module, and connect the connector
(1U) in the test harness U.
5) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 3 (+) — Chassis ground (–):
(2U) No. 5 (+) — Chassis ground (–):
(2U) No. 9 (+) — Chassis ground (–):
(2U) No. 13 (+) — Chassis ground (–):
Is the voltage less than 1 V? Go to step 4.Replace the airbag
main harness with
body harness.
4CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 5.
5CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”. AB(diag)-45, List
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.

AB(diag)-63
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
This DTC is indicated when the front airbag module and the pretensioner are deployed.
Once this DTC is displayed, the memory cannot be cleared. Therefore replace the following parts.
•Airbag control module
•Driver's airbag module
•Passenger's airbag module
•Front sub sensor of both sides
•Front seat belt outer with pretensioner of both sides.
•Steering roll connector
•Occupant detection system (passenger’s seat cushion & frame assembly)
G: DTC 23 CONNECTOR TO AIRBAG ECU FAILURE
DTC DETECTING CONDITION:
Connection of (AB6), (AB17) and (AB18) 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.
Step Check Yes No
1CHECK POOR CONTACTS OF CONNEC-
TORS (AB6), (AB17) AND (AB18).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connectors (AB6), (AB17)
and (AB18) from airbag control module.
Is there rust or damage on the
harness connector and the
control module connector?
Replace the airbag
control module.
Airbag Control
Module.> Replace
the body harness
with the airbag
main harness or
replace the body
harness with the
side airbag har-
ness.
Go to step 2.
2CHECK POOR CONTACTS OF CONNEC-
TORS (AB6), (AB17) AND (AB18).
1) Reconnect the connector securely.
2) Connect the battery ground terminal and
turn the ignition switch to ON.
Does the airbag warning light
illuminate for 6 seconds and go
off?
Go to step 3.Replace the airbag
control module.
Airbag Control
Module.>
3CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 4.
4CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”. AB(diag)-45, List
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.

AB(diag)-64
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
H: DTC 24 IG1 OPEN
DTC DETECTING CONDITION:
•Airbag control module is faulty.
•Airbag main harness circuit is open.
•Fuse No. 12 (in joint box) is blown.
•Body harness circuit is open.
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:
AB6
AB6
NO.12
5
AB-00939
1234567891011121314151617
1819202122232425262728
IGNITIONSWITCH
BATTERY
AIRBAG CONTROL MODULE
B31
AB110
AB1
123456789101112

AB(diag)-65
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK AIRBAG CONTROL MODULE.
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) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 1 (+) — Chassis ground (–):
Is the voltage more than 10 V? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 2.
2CHECK FUSE NO. 12 (IN JOINT BOX).
1) Confirm that the ignition switch is turned to
OFF.
2) Remove the fuse No. 12 (in joint box) and
perform visual inspection.
Is the fuse No. 12 blown out? Replace the fuse
No. 12. If fuse No.
25 is blown out
again, repair the
body harness.
Replace the airbag
main harness with
body harness.
Go to step 3.
3CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 4.
4CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”. AB(diag)-45, List
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.

AB(diag)-66
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
I: DTC 25 IG2 OPEN
DTC DETECTING CONDITION:
•Airbag control module is faulty.
•Airbag main harness circuit is open.
•Fuse No. 25 (in joint box) is blown.
•Body harness circuit is open.
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:
AB6
B31
AB1
AB6
NO.25
6
AB-00938
1234567891011121314151617
1819202122232425262728
IGNITIONSWITCH
BATTERY
AIRBAG CONTROL MODULE
9
AB1
123456789101112

AB(diag)-67
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK AIRBAG CONTROL MODULE.
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) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 6 (+) — Chassis ground (–):
Is the voltage more than 10 V? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 2.
2CHECK FUSE NO. 25 (IN JOINT BOX).
1) Confirm that the ignition switch is turned to
OFF.
2) Remove the fuse No. 25 (in joint box) and
perform visual inspection.
Is the fuse No. 25 blown out? Replace the fuse
No. 25. If fuse No.
12 is blown out
again, repair the
body harness. Or
replace the airbag
main harness with
body harness.
Go to step 3.
3CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed? Replace the airbag
control module.
Airbag Control
Module.>
Go to step 4.
4CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using
“List of Diagnostic
Tr o u b l e C o d e
(DTC)”. AB(diag)-45, List
of Diagnostic Trou-
ble Code (DTC).>
Finish the diagno-
sis.

AB(diag)-68
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
J: DTC 26 PASSENGER'S AIRBAG INDICATOR FAILURE
DTC DETECTING CONDITION:
•Passenger's seat airbag indicator is faulty.
•Airbag control module is faulty.
•Airbag main harness circuit is open.
•Body harness circuit is open.
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 harness, disconnect the each airbag module connector, and seat belt
pretensioner for safety reasons.
WIRING DIAGRAM:
AB-01301
118
AB6
AB1
AB1
B3162
i116
i2
B403
56
65
AB6i116
AIRBAG CONTROL MODULE
WARNING BOX(PASSENGER SIDE)
1234567891011121314161715
1819202122232425262728
12346789510123456789101112
B403
123456789
1611101514131217 191823 252420 2221

AB(diag)-69
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK POOR CONTACT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Confirm that the connector that is between
the airbag control module and the passenger’s
side warning box is securely connected.
Is there poor contact in any
connector?
Replace the airbag
harness connec-
tor.
Go to step 2.
2CHECK AIRBAG MAIN HARNESS.
1) Disconnect the connector (AB6) from air-
bag control module.
2) Connect the battery ground terminal and
turn the ignition switch to ON.
NOTE:
Neither of ON/OFF illuminates when it is nor-
mal.
Is the passenger's seat airbag
indicator lit?
Go to step 3.Go to step 4.
3CHECK AIRBAG MAIN HARNESS.
1) Turn the ignition switch to OFF.
2) Remove the passenger’s side warning box
and disconnect the connector (i116).
3) Connect the connector (1U) in the test har-
ness U to connector (AB6).
4) Measure the resistance between connec-
tors (2U) and (4U) in the test harness U and
chassis ground.
Connector & terminal
(2U) No. 14 — (4U) No. 17:
(2U) No. 14 — Chassis ground:
(4U) No. 17 — Chassis ground:
Is the resistance more than 1
MΩ?
Replace the pas-
senger’s side
warning box. to AC-46,
REMOVAL, Air
Ve n t G r i l l e . >
Repair the bulk-
head harness. Or
replace the airbag
main harness with
body harness.
4CHECK THE AIRBAG HARNESS.
1) Connect the connectors (7U) and (8U) in
the test harness U.
2) Connect the battery ground terminal and
turn the ignition switch to ON.
Is the passenger's seat airbag
indicator lit?
Replace the airbag
control module.
Airbag Control
Module.>
Go to step 5.
5CHECK THE AIRBAG HARNESS.
1) Turn the ignition switch to OFF.
2) Connect the connector (1U) in the test har-
ness U to connector (AB6).
3) Measure the resistance between connec-
tors (2U) and (4U) in the test harness U and
the connector (i116).
Connector & terminal
(2U) No. 14 — (i116) No. 5:
(4U) No. 17 — (i116) No. 6:
Is the resistance less than 10
Ω?
Go to step 6.Repair the bulk-
head harness. Or
replace the airbag
main harness with
body harness.
6CHECK BODY HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between connector
(i116) and chassis ground.
Connector & terminal
(i116) No. 3 — Chassis ground:
Is the voltage more than 10 V? Replace the pas-
senger’s side
warning box. to AC-46,
REMOVAL, Air
Ve n t G r i l l e . >
Repair the power
supply line to the
passenger’s side
warning box.