2009 SUBARU TRIBECA Service Workshop Manual

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Page 73 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-49
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
14.Diagnostic Chart with Trouble Code
A: DTC 11 DRIVERS AIRBAG FAILURE
DTC DETECTING CONDITION:
•Airbag main harness circu

Page 74 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-50
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
WIRING DIAGRAM:
AB-01300
16171314
AB6
AB2
AB2
AB71234
AB6
AB381212
21
AB38
AB37
123421
AB37
1234567891011121314151617
1819202

Page 75 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-51
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
2CHECK DRIVERS AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than

AB(diag)-51
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
2CHECK DRIVER'S AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Remove the driver’s airbag module.
3) Connect the connector (1N) in the test har-
ness N to the connector (AB38).
4) Connect the airbag resistor to the connec-
tor (2N) of test harness N.
5) Connect the connector (1Q) in the test har-
ness Q to connector (AB37).
6) Connect the airbag resistor to the connec-
tor (2Q) of test harness Q.
7) 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
driver's airbag
module. AB-15, Driver’s
Airbag Module.>
Go to step 3.
3CHECK ROLL CONNECTOR.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the test harness N from con-
nector (AB38).
3) Disconnect the test harness Q from con-
nector (AB37).
4) Remove the instrument panel lower cover
and disconnect the connector (AB7) from
(AB2).
5) Connect the connector (1P) in the test har-
ness P to connector (AB2).
6) Connect the airbag resistor to the connec-
tors (2P) and (3P) of test harness P.
7) 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 roll
connector. AB-24, Roll Con-
nector.>
Go to step 4.
4CHECK AIRBAG MAIN HARNESS (DRIV-
ER'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 console side cover lower on
the passenger's side and disconnect the con-
nectors (AB10) and (AB9).
4) Disconnect the connector (AB6) from air-
bag control module, and connect the connector
(1U) in the test harness U.
5) Measure the resistance between connector
(2U) in the test harness U and connectors (2P)
and (3P) in the test harness P.
Connector & terminal
(2U) No. 2 — (2P) No. 1:
(2U) No. 4 — (2P) No. 2:
(2U) No. 8 — (3P) No. 3:
(2U) No. 12 — (3P) No. 4:
Is the resistance less than 10
Ω?
Go to step 5.Replace the airbag
main harness with
body harness.
Step Check Yes No

Page 76 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-52
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
5CHECK AIRBAG MAIN HARNESS (DRIV-
ERS AIRBAG HARNESS).
Measure the resistance between connector
(2U) terminals in the test

Page 77 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-53
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
B: DTC 12 PASSENGERS AIRBAG FAILURE
DTC DETECTING CONDITION:
•Airbag main harness circuit is open, shorted or shorted to g

Page 78 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-54
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 m

AB(diag)-54
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.
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 resistance between connector
(2U) in the test harness U and connectors (2P)
and (3P) in the test harness P.
Connector & terminal
(2U) No. 3 — (2P) No. 1:
(2U) No. 5 — (2P) No. 2:
(2U) No. 9 — (3P) No. 3:
(2U) No. 13 — (3P) No. 4:
Is the resistance less than 10
Ω?
Go to step 4.Replace the airbag
main harness with
body harness.
4CHECK AIRBAG MAIN HARNESS (PASSEN-
GER'S AIRBAG HARNESS).
Measure the resistance between connectors
(2U) in the test harness U, and between con-
nector (2U) and chassis ground.
Connector & terminal
(2U) No. 3 — (2U) No. 5:
(2U) No. 3 — Chassis ground:
(2U) No. 5 — Chassis ground:
(2U) No. 9 — (2U) No. 13:
(2U) No. 9 — Chassis ground:
(2U) No. 13 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 5.Replace the airbag
main harness with
body harness.

Page 79 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-55
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
5CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the

Page 80 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-56
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
C: DTC 15 DRIVERS AIRBAG FAILURE
DTC DETECTING CONDITION:
•Airbag main harness circuit (Drivers side) is shorted to power

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