2009 SUBARU TRIBECA Service Workshop Manual

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Page 121 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-97
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AD:DTC 53 SIDE AIRBAG SENSOR RH FAILURE
DTC DETECTING CONDITION:
Side airbag sensor (RH) is faulty.
When DTC 53 is displayed,

Page 122 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-98
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AG:DTC 56 CURTAIN AIRBAG SENSOR RH FAILURE
DTC DETECTING CONDITION:
•Curtain airbag sensor (RH) is faulty.
•Curtain airba

Page 123 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-99
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)-99
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, curtain air-
bag module RH and the curtain airbag sensor
RH.
Is there poor contact? Replace the airbag
rear harness with
body harness.
Go to step 2.
2CHECK AIRBAG REAR HARNESS RH (CUR-
TAIN AIRBAG SENSOR 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 (AB24) from side
airbag module (RH).
4) Disconnect the connector (AB33) from
(AB40).
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) Disconnect the connector (AB34) from cur-
tain airbag sensor (RH), and connect the con-
nector (2V) in test harness V to connector
(AB34).
8) Measure the resistance between connector
(5U) in the test harness U and connector (3V)
in the test harness V.
Connector & terminal
(5U) No. 14 — (3V) No. 4:
(5U) No. 16 — (3V) No. 5:
(5U) No. 15 — (3V) No. 1:
(5U) No. 13 — (3V) No. 2:
Is the resistance less than 10
Ω?
Go to step 3.Replace the airbag
rear harness RH
with body harness.
3CHECK AIRBAG REAR HARNESS RH (CUR-
TAIN AIRBAG SENSOR HARNESS RH).
Measure the resistance between connector
(5U) in the test harness U and chassis ground.
Connector & terminal
(5U) No. 14 — Chassis ground:
(5U) No. 16 — Chassis ground:
(5U) No. 15 — Chassis ground:
(5U) No. 13 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 4.Replace the airbag
rear harness RH
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 cur-
tain airbag sensor
(RH). 23, Curtain Airbag
Sensor.> Replace
the airbag control
module if not oper-
ating normally
even after replac-
ing the sensor.
Airbag Control
Module.>
Go to step 5.

Page 124 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-100
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
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

Page 125 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-101
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AH:DTC 57 CURTAIN AIRBAG SENSOR LH FAILURE
DTC DETECTING CONDITION:
•Curtain airbag sensor (LH) is faulty.
•Curtain airb

Page 126 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-102
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

AB(diag)-102
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, curtain air-
bag module LH and the curtain airbag sensor
LH.
Is there poor contact? Replace the airbag
rear harness with
body harness.
Go to step 2.
2CHECK AIRBAG REAR HARNESS LH (CUR-
TAIN AIRBAG SENSOR 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 (AB19) from side
airbag module (LH).
4) Disconnect the connector (AB31) from
(AB39).
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) Disconnect the connector (AB32) from cur-
tain airbag sensor (LH), and connect the con-
nector (2V) in test harness V to connector
(AB32).
8) Measure the resistance between connector
(5U) in the test harness U and connector (3V)
in the test harness V.
Connector & terminal
(5U) No. 11 — (3V) No. 4:
(5U) No. 9 — (3V) No. 5:
(5U) No. 10 — (3V) No. 1:
(5U) No. 12 — (3V) No. 2:
Is the resistance less than 10
Ω?
Go to step 3.Replace the airbag
rear harness LH
with the body har-
ness.
3CHECK AIRBAG REAR HARNESS LH (CUR-
TAIN AIRBAG SENSOR HARNESS LH).
Measure the resistance between connector
(5U) in the test harness U and chassis ground.
Connector & terminal
(5U) No. 11 — Chassis ground:
(5U) No. 9 — Chassis ground:
(5U) No. 10 — Chassis ground:
(5U) No. 12 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 4.Replace the airbag
rear harness LH
with the body har-
ness.
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 cur-
tain airbag sensor
(LH). 23, Curtain Airbag
Sensor.> Replace
the airbag control
module if not oper-
ating normally
even after replac-
ing the sensor.
Airbag Control
Module.>
Go to step 5.

Page 127 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-103
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AI: DTC 58 CURTAIN AIRBAG SENSOR RH FAILURE
DTC DETECTING CONDITION:
Curtain airbag sensor (RH) is faulty.
If DTC 58 is disp

Page 128 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual AB(diag)-104
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
AK:DTC 61 BELT PRETENSIONER RH FAILURE
DTC DETECTING CONDITION:
•Seat belt pretensioner (RH) circuit is open, shorted or s

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