ac 25 procedure SUBARU TRIBECA 2009 1.G Service Workshop Manual

AB-9
Airbag Connector
AIRBAG SYSTEM
2. Airbag Connector
A: PROCEDURE
1. POWER SUPPLY, BUCKLE SWITCH
1) How to disconnect:
(1) Move the slide lock (A) in the direction of ar-
row.
(2) While holding the slide lock (A) in that posi-
tion, separate the connector.
CAUTION:
When pulling the slide lock or disconnecting
connector, be sure to hold the connector, not
the harness.
2) How to connect:
Holding the connector (A), and push it in carefully
until a clicking sound is heard.
CAUTION:
Be sure to insert the connector in until it is
locked. Then pull it gently to make sure that it is
locked.
2. DRIVER’S AIRBAG MODULE AND PRE-
TENSIONER
1) How to disconnect:
(1) Using a flat tip screwdriver, pry the push lock
upward to unlock.
(2) Pull and disconnect the connector from the
driver’s airbag module assembly or retractor as-
sembly.
2) How to connect:
Connect the connector in the reverse order of dis-
connecting. At this time, be sure to insert the push
lock until a clicking sound is heard.
CAUTION:
•Be sure to insert the connector in until it is
locked. Then pull it gently to make sure that it is
locked.
•Be sure to push the push lock in securely.
NOTE:
The connector can not be connected when the
push lock is in the lock position. To connect the
connector, set the push lock to unlock position.
AB-00721
(A)
AB-00016
AB-00478
AB-00479
AB-00480

AB-15
Driver’s Airbag Module
AIRBAG SYSTEM
4. Driver’s Airbag Module
A: REMOVAL
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
4, CAUTION, General Description.>
1) Position the front wheels straight ahead. (After
moving a vehicle more than 5 m (16 ft) with front
wheels positioned straight ahead, make sure that
the vehicle moves straight ahead).
2) Turn the ignition switch to OFF.
3) Disconnect the ground cable from battery and
wait for at least 20 seconds before starting work.
4) Using TORX® BIT T30 (1), remove the two
TORX® bolts on the side of steering wheel.
5) Disconnect the horn harness.
6) Disconnect the airbag connector on the back of
airbag module, and then remove the airbag mod-
ule. <Ref. to AB-9, PROCEDURE, Airbag Connec-
tor.>
7) Refer to “CAUTION” for handling of a removed
airbag module. <Ref. to AB-4, CAUTION, General
Description.>
B: INSTALLATION
CAUTION:
•Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
4, CAUTION, General Description.>
•To prevent the misconnection, the connector
is colored. Connect the harness side connector
to the same color of module side connector.
Install in the reverse order of removal.
Tightening torque:
10 N·m (1.0 kgf-m, 7.2 ft-lb)
C: INSPECTION
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
4, CAUTION, General Description.>
Check for the following, and replace the damaged
parts with new parts.
•Airbag module, harness, connector and mount-
ing bracket are damaged. <Ref. to AB-12, DRIV-
ER’S AIRBAG MODULE, INSPECTION,
Inspection Locations After a Collision.>
CC-00018
(1)
AB-00622

AB(diag)-2
Basic Diagnostic Procedure
AIRBAG SYSTEM (DIAGNOSTICS)
1. Basic Diagnostic Procedure
A: PROCEDURE
Step Check Yes No
1CHECK WARNING LIGHT.
Check whether the airbag warning light in the
combination meter is lit.
Does the airbag warning light
illuminate?
Go to step 2.Perform the diag-
nosis according to
phenomenon of
the problem.
2READ DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch to ON, and the Sub-
aru Select Monitor power switch to ON.
4) Read the DTC. <Ref. to AB(diag)-36,
OPERATION, Read Diagnostic Trouble Code
(DTC).>
NOTE:If the communication function of the Subaru Se-
lect Monitor cannot be executed normally,
check the communication circuit. <Ref. to
AB(diag)-33, COMMUNICATION FOR INI-
TIALIZING IMPOSSIBLE, INSPECTION, Sub-
aru Select Monitor.>
5) Record all DTCs and freeze frame data.
Is DTC displayed? Go to step 3.<Ref. to AB(diag)-
40, Airbag Warn-
ing Light Fail-
ure.>Go to “Airbag
Wa r ni n g L ig h t Fa i l-
ure”.
3PERFORM DIAGNOSIS.
1) Judge the possible cause from “List of
Diagnostic Trouble Code” <Ref. to AB(diag)-
45, List of Diagnostic Trouble Code (DTC).>.
2) Inspect the DTC using “List of Diagnostic
Tr o u b l e C o d e ( D T C ) ” .
3) Repair the trouble cause.
4) Perform the clear memory mode. <Ref. to
AB(diag)-38, Clear Memory Mode.>
5) Perform the inspection mode. <Ref. to
AB(diag)-37, Inspection Mode.>
6) Read any other DTCs displayed.
Is DTC displayed? Perform the proce-
dure 1) to 5) in
step 3.
Finish the diagno-
sis.

AB(diag)-26
Airbag Connector
AIRBAG SYSTEM (DIAGNOSTICS)
5. Airbag Connector
A: PROCEDURE
1. BUCKLE SWITCH
1) How to disconnect:
(1) Move the slide lock (A) in the direction of ar-
row.
(2) While holding the slide lock (A) in moved po-
sition, disconnect the connector.
CAUTION:
When pulling the slide lock or disconnecting
connector, be sure to hold the connector, not
the harness.
2) How to connect:
Holding the connector (A), and push it in carefully
until a clicking sound is heard.
CAUTION:
Be sure to insert the connector in until it is
locked. Then pull it gently to make sure that it is
locked.
2. DRIVER’S AIRBAG MODULE AND PRE-
TENSIONER
1) How to disconnect:
(1) Using a flat tip screwdriver, pry the push lock
upward to unlock.
(2) Pull and disconnect the connector from the
driver’s airbag module assembly or retractor as-
sembly.
2) How to connect:
Connect the connector in the reverse order of dis-
connecting. At this time, be sure to insert the push
lock until a clicking sound is heard.
CAUTION:
•Be sure to insert the connector in until it is
locked. Then pull it gently to make sure that it is
locked.
•Be sure to push the push lock in securely.
NOTE:
The connector cannot be connected when the push
lock is in lock position. To connect the connector,
set the push lock to unlock position.
AB-00721
(A)
AB-00016
AB-00478
AB-00479
AB-00480

AB(diag)-31
Subaru Select Monitor
AIRBAG SYSTEM (DIAGNOSTICS)
7. Subaru Select Monitor
A: OPERATION
1. READ DIAGNOSTIC TROUBLE CODE
(DTC)
When malfunction of airbag system occurs, the
DTC stored in airbag control module will be read
out.
1) Prepare the Subaru Select Monitor kit. <Ref. to
AB(diag)-8, SPECIAL TOOL, PREPARATION
TOOL, General Description.>
2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge to Subaru Select Monitor.
<Ref. to AB(diag)-8, SPECIAL TOOL, PREPARA-
TION TOOL, General Description.>
4) Connect the Subaru Select Monitor to data link
connector.
(1) Data link connector (1) is located in the low-
er portion of instrument panel (on the driver’s
side).
(2) Connect the diagnosis cable to data link
connector.
CAUTION:
Do not connect the scan tools except for Suba-
ru Select Monitor.
5) Turn the ignition switch to ON (engine OFF) and
turn the Subaru Select Monitor switch to ON.
6) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
7) On the «System Selection Menu» display
screen, select the {Airbag System} and press the
[YES] key.
8) {Press the [YES] key after the {**MY AIRBAG
SYSTEM} is displayed.
9) On the «Airbag System» screen, select the
{DTC Display}, and then press the [YES] key.
NOTE:
•For details concerning operation procedure, re-
fer to the “SUBARU SELECT MONITOR OPERA-
TION MANUAL”.
•For details concerning DTCs, refer to List of Di-
agnostic Trouble Code (DTC). <Ref. to AB(diag)-
45, List of Diagnostic Trouble Code (DTC).>
ABS00111
ABS00112
EN-03693
(1) Power switch
ABS00114
(1)

AB(diag)-32
Subaru Select Monitor
AIRBAG SYSTEM (DIAGNOSTICS)
2. DISPLAY OF STATUS INFORMATION
Check the operating condition of each sensor in the event of malfunction in seat belt buckle switch and seat
position sensor, or when the seat belt buckle switch and seat position sensor has been replaced.
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Airbag System} and press the [YES] key.
3) On the «Airbag System» display screen, select the {Status Data} and press the [YES] key.
The following table is for support data.
*1: The seat position is forward.
*2: The seat position is rearward.
*3: Displayed when data other than before and behind the seat, such as the breakdown etc, is input.
*4: Displayed when it is initial.
*5: Seat position sensor not supported
*6. Seat belt fastened
*7. Seat belt not fastened
*8: Displayed when data other than belt fastened or not fastened, such as breakdowns is input.
*9: Seat belt buckle switch not supported
*10: Passenger’s seat air bag operating state
*11: Passenger’s seat air bag non-operating state
NOTE:
For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MAN-
UAL”.
3. CLEAR MEMORY MODE
Clear the DTC stored in the airbag control module after repairing airbag system. (After the breakdown is re-
covered, the breakdown code for completed recoveries are read out when the next breakdown occurs if the
memory clear work is not performed.)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Airbag System} and press the [YES] key.
3) On the {Airbag System} menu screen, select the {Clear Memory} and press the [YES] key.
4) When the “Clear Memory?” is shown on the screen, press the [YES] key.
5) When “Done” is displayed, turn the Subaru Select Monitor to OFF.
NOTE:
For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MAN-
UAL”.
Item Display contents
Seat position sensor LHFr o nt p os it i on *1/Rear position *2 /Other *3/Initial Setting *3 /–– *5
Seat position sensor RH–– *5
Seat belt buckle switch LHBelted *6/Unbelted *7 /Other *8/Initial Setting *4 /–– *9
Seat belt buckle switch RHBelted *6/Unbelted *7 /Other *8/Initial Setting *4 /–– *9
Passenger’s airbag control statusON *10/OFF *11 /Initial Setting *4

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”. <Ref. to AB(diag)-40, Airbag Warn-
ing Light Failure.>
NOTE:
•For detailed operation procedure, refer to “Airbag Warning Light Failure”. <Ref. to AB(diag)-40, 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. <Ref. to
AB-21, REMOVAL,
Airbag Control
Module.>
Step Check Yes No

AB(diag)-37
Inspection Mode
AIRBAG SYSTEM (DIAGNOSTICS)
9. Inspection Mode
A: PROCEDURE
Recreate the circumstance by referring to the con-
ditions described in the checklist.

AB(diag)-46
List of Diagnostic Trouble Code (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
29 ODS failure • Occupant detection sensor is faulty.
•Occupant detection control module is faulty.
•Occupant detection harness is faulty.
•Fuse No. 25 (in joint box) is blown.
Refer to “Occupant Detection System”
for details on DTC 29. <Ref. to OD(diag)-
29, DTC 29 ODS FAILURE, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>
2A ODS Calibration error System calibration (Rezeroing) of the occupant
detection system was not ended normally.
Refer to “Occupant Detection System”
for details on DTC 2A. <Ref. to
OD(diag)-26, DTC 2A OCCUPANT
DETECTION CALIBRATION FAILURE,
Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
2B ODS System Wrong error • Wrong airbag control module was installed.
•Wrong occupant detection system was
installed.
•Occupant detection system is faulty.
Refer to “Occupant Detection System”
for details on DTC 2B. <Ref. to
OD(diag)-26, DTC 2B ODS ERRONE-
OUS PARTS, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
2C Belt Tension Sensor fail-
ure
•Passenger’s seat belt tension sensor is faulty.
•Occupant detection system is faulty.
•Airbag rear harness circuit is open, shorted,
shorted to ground or shorted to power supply.
•Occupant detection harness is faulty.
Refer to “Occupant Detection System”
for details on DTC 2C. <Ref. to
OD(diag)-27, DTC 2C BELT TENSION
SENSOR FAILURE, Diagnostic Proce-
dure with Diagnostic Trouble Code
(DTC).>
31 Front Sub Sensor RH fail-
ure
•Front sub sensor harness (RH) circuit is open
or shorted.
•Front sub sensor (RH) is faulty.
•Airbag control module is faulty.
<Ref. to AB(diag)-72, DTC 31 FRONT
SUB SENSOR RH FAILURE, Diagnostic
Chart with Trouble Code.>
32 Front Sub Sensor LH fail-
ure
•Front sub sensor harness (LH) circuit is open
or shorted.
•Front sub sensor (LH) is faulty.
•Airbag control module is faulty.
<Ref. to AB(diag)-74, DTC 32 FRONT
SUB SENSOR LH FAILURE, Diagnostic
Chart with Trouble Code.>
33 Front Sub Sensor RH fail-
ure
Fr o nt su b se ns or ( RH) i s fa u lt y. < Re f. t o A B ( d ia g ) - 76 , D TC 3 3 F RONT
SUB SENSOR RH FAILURE, Diagnostic
Chart with Trouble Code.>
34 Front Sub Sensor LH fail-
ure
Fr o nt su b se ns or ( RH) i s fa u lt y. < Re f. t o A B ( d ia g ) - 76 , D TC 3 4 F RONT
SUB SENSOR LH FAILURE, Diagnostic
Chart with Trouble Code.>
36 Seat Position Sensor LH
failure
•Driver's seat position sensor is faulty.
•Airbag control module is faulty.
•Airbag rear harness LH circuit is open,
shorted or shorted to ground.
<Ref. to AB(diag)-77, DTC 36 SEAT
POSITION SENSOR LH FAILURE,
Diagnostic Chart with Trouble Code.>
37 Buckle Switch RH failure • Passenger's seat buckle switch circuit is
open, shorted or shorted to ground.
•Occupant detection system is faulty.
•Occupant detection harness is faulty.
Refer to “Occupant Detection System”
for details on DTC 37. <Ref. to OD(diag)-
30, DTC 37 BUCKLE SWITCH RH FAIL-
URE, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
38 Buckle Switch LH failure • Driver's seat buckle switch circuit is open,
shorted or shorted to ground.
•Airbag rear harness LH circuit is open,
shorted or shorted to ground.
•Airbag control module is faulty.
<Ref. to AB(diag)-79, DTC 38 BUCKLE
SWITCH LH FAILURE, Diagnostic Chart
with Trouble Code.>
39 Seatbelt Warning failure • Airbag control module is faulty.
•Body integrated module is faulty.
•Harness circuits between body integrated
module and air bag control module are open,
shorted or shorted to ground.
<Ref. to AB(diag)-81, DTC 39 SEAT-
BELT WARNING FAILURE, Diagnostic
Chart with Trouble Code.>
41 Side Airbag RH failure • Side airbag harness (RH) circuit is faulty.
•Side airbag module (RH) is faulty.
•Airbag control module is faulty.
<Ref. to AB(diag)-83, DTC 41 SIDE AIR-
BAG RH FAILURE, Diagnostic Chart
with Trouble Code.>
DTC Display Content of diagnosis Reference target

AB(diag)-71
Diagnostic Chart with Trouble Code
AIRBAG SYSTEM (DIAGNOSTICS)
L: DTC 29 ODS FAILURE
NOTE:
Refer to “Occupant Detection System” for details on DTC 29. <Ref. to OD(diag)-29, DTC 29 ODS FAILURE,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
M: DTC 2A OCCUPANT DETECTION CALIBRATION FAILURE
NOTE:
Refer to “Occupant Detection System” for details on DTC 2A. <Ref. to OD(diag)-26, DTC 2A OCCUPANT
DETECTION CALIBRATION FAILURE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
N: DTC 2B ODS ERRONEOUS PARTS
NOTE:
Refer to “Occupant Detection System” for details on DTC 2B. <Ref. to OD(diag)-26, DTC 2B ODS ERRO-
NEOUS PARTS, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
O: DTC 2C BELT TENSION SENSOR FAILURE
NOTE:
Refer to “Occupant Detection System” for details on DTC 2C. <Ref. to OD(diag)-27, DTC 2C BELT TENSION
SENSOR FAILURE, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
5CHECK THE AIRBAG HARNESS.
Measure the voltage between connector (2AB)
in the test harness AB and chassis ground.
Connector & terminal
(2AB) No. 1 — chassis ground:
Is the voltage more than 9 V? Replace the airbag
rear harness RH
with body harness.
Replace the occu-
pant detection har-
ness (seat
harness). If defec-
tive is not
improved, replace
the occupant
detection system
(seat cushion &
frame assembly),
and then the air-
bag control mod-
ule in this order.
Step Check Yes No