2009 SUBARU TRIBECA Service Workshop Manual

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Page 105 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-81
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
W: DTC 39 SEATBELT WARNING FAILURE
DTC DETECTING CONDITION:
•Passengers seat belt warning system is faulty.
•Airbag cont

Page 106 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-82
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK THE AIRBAG HARNESS.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wa

Page 107 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-83
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
X: DTC 41 SIDE AIRBAG RH FAILURE
DTC DETECTING CONDITION:
•Side airbag harness (RH) is faulty.
•Side airbag module (RH) i

Page 108 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-84
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)-84
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, side airbag
module RH and the side airbag sensor RH.
Is there poor contact? Replace the airbag
rear harness RH
with body harness.
Go to step 2.
2CHECK SIDE AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB25) from
(AB24), and connect the connector (1F) in test
harness F to connector (AB24).
3) Connect the airbag resistor to the connec-
tor (3F) of test harness F.
4) 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 side
airbag module
(RH). 7, Front Seat.>
Go to step 3.
3CHECK AIRBAG REAR HARNESS RH (SIDE
AIRBAG MODULE HARNESS RH).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB26) from seat
belt pretensioner (RH).
3) Disconnect the connector (AB33) from cur-
tain airbag module (RH).
4) Disconnect the airbag resistor from test
harness F.
5) Disconnect the connector (AB18) from air-
bag control module.
6) Connect the connector (1U) in the test har-
ness U to connector (AB18).
7) Measure the resistance between connector
(3U) in the test harness U and connector (3F)
in the test harness F.
Connector & terminal
(3U) No. 20 — (3F) No. 4:
(3U) No. 18 — (3F) No. 3:
Is the resistance less than 10
Ω?
Go to step 4.Replace the airbag
rear harness RH
with body harness.
4CHECK AIRBAG REAR HARNESS RH (SIDE
AIRBAG MODULE HARNESS RH).
Measure the resistance between connector
(3U) terminals in the test harness U.
Connector & terminal
(3U) No. 20 — (3U) No. 18:
Is the resistance more than 1
MΩ?
Go to step 5.Replace the airbag
rear harness RH
with body harness.
5CHECK AIRBAG REAR HARNESS RH (SIDE
AIRBAG MODULE HARNESS RH).
Measure the resistance between connector
(3U) in the test harness U and chassis ground.
Connector & terminal
(3U) No. 20 — Chassis ground:
(3U) No. 18 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 6.Replace the airbag
rear harness RH
with body harness.

Page 109 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-85
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
6CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the

Page 110 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-86
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
Y: DTC 42 SIDE AIRBAG LH FAILURE
DTC DETECTING CONDITION:
•Side airbag harness (LH) is faulty.
•Side airbag module (LH) i

Page 111 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-87
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)-87
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, side airbag
module LH and the side airbag sensor LH.
Is there poor contact? Replace the airbag
rear harness LH
with the body har-
ness.
Go to step 2.
2CHECK SIDE AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB20) from
(AB19), and connect the connector (1F) in test
harness F to connector (AB19).
3) Connect the airbag resistor to the connec-
tor (3F) of test harness F.
4) 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 side
airbag module
(LH). 7, Front Seat.>
Go to step 3.
3CHECK AIRBAG REAR HARNESS LH (SIDE
AIRBAG MODULE HARNESS LH).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB21) from seat
belt pretensioner (LH).
3) Disconnect the connector (AB31) from cur-
tain airbag module (LH).
4) Disconnect the airbag resistor from test
harness.
5) Disconnect the connector (AB17) from air-
bag control module.
6) Connect the connector (1U) in the test har-
ness U to connector (AB17).
7) Measure the resistance between connector
(3U) in the test harness U and connector (3F)
in the test harness F.
Connector & terminal
(3U) No. 12 — (3F) No. 4:
(3U) No. 10 — (3F) No. 3:
Is the resistance less than 10
Ω?
Go to step 4.Replace the airbag
rear harness LH
with the body har-
ness.
4CHECK AIRBAG REAR HARNESS LH (SIDE
AIRBAG MODULE HARNESS LH).
Measure the resistance between connector
(3U) terminals in the test harness U.
Connector & terminal
(3U) No. 12 — (3U) No. 10:
Is the resistance more than 1
MΩ?
Go to step 5.Replace the airbag
rear harness LH
with the body har-
ness.
5CHECK AIRBAG REAR HARNESS LH (SIDE
AIRBAG MODULE HARNESS LH).
Measure the resistance between connector
(3U) in the test harness U and chassis ground.
Connector & terminal
(3U) No. 12 — Chassis ground:
(3U) No. 10 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 6.Replace the airbag
rear harness LH
with the body har-
ness.

Page 112 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-88
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
6CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the

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