2009 SUBARU TRIBECA ac 25 procedure

LAN(diag)-44
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
H: DTC B0106 SHIFT LOCK CIRCUIT FAILURE
DTC DETECTING CONDITION:
Shift lock circuit is shorted to ground.
TROUBLE SYMPTOM:
Shift lock does not be released or remain locked.
WIRING DIAGRAM:
B6
TO POWER SUPPLY CIRCUITFB-28F/B FUSE NO.31 (ACC)
FB-37F/B FUSE NO.12 (IG)
MB-28M/B FUSE NO.34 (B)
FB-3F/B FUSE NO.8 (B)
E
F9
F5
3
4
A24C23C1A1
i84A:B280B:B281C:
B159F:
BODY INTEGRATEDUNIT
B116
SHIFT LOCK SOLENOID
JOINT FUSE BOX
STOP LIGHTSWITCH
3
2
B65
LAN00190
12345678910
B116
123495678
B159F:
567821943102422 2325111213141526 27281617181920 21
B281C:
5467821931022 23111213141524 25 26 2716171828 29192021 30
B280B:
3412
1234567891011121314151617181920212223242526272829303132333435
A:i84
B65
Step Check Yes No
1CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the resistance between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 6 — Chassis ground:
Is the resistance between 10
— 30 Ω?
Go to step 5.Go to step 2.

LAN(diag)-45
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Disconnect the shift lock solenoid connec-
tor (B116).
3) Measure the resistance between body inte-
grated unit connector and shift lock solenoid
connector.
Connector & terminal
(B280) No. 6 — (B116) No. 3:
Is the resistance less than 10
Ω?
Go to step 3.Repair or replace
the open or shor t
circuit of harness.
3CHECK SHIFT LOCK SOLENOID.
1) Disconnect the shift lock solenoid connec-
tor.
2) Measure the internal resistance of shift lock
solenoid.
Connector & terminal
(B116) No. 3 — No. 4:
Is the resistance between 10
— 30 Ω?
Go to step 4.Replace the shift
lock solenoid.
4CHECK GROUND CIRCUIT.
1) Disconnect the shift lock solenoid connec-
tor.
2) Measure the resistance between shift lock
solenoid connector (B116) and chassis
ground.
Connector & terminal
(B116) No. 4 — Chassis ground:
Is the resistance less than 10
Ω?
Te m p o r a r y p o o r
contact occurs.
Check the connec-
tion of each termi-
nal and repair
when necessary.
Replace the body
integrated unit.
Body Integrated
Unit.>
5CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280) and the shift lock solenoid con-
nector (B116).
2) Measure the resistance between body inte-
grated unit connector (B280) and chassis
ground.
Connector & terminal
(B280) No. 6 — Chassis ground:
Is the resistance more than 1
MΩ?
Replace the body
integrated unit.
Body Integrated
Unit.>
Repair the short
circuit of harness
or replace har-
ness.
Step Check Yes No

LAN(diag)-46
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
I: DTC B0201 CAN-HS COUNTER ABNORMAL
DTC DETECTING CONDITION:
High speed CAN communication of body integrated unit which monitor the error data and non-received data
are faulty.
TROUBLE SYMPTOM:
•“Er HC” is displayed in odo/trip meter.
•Malfunction indicator light illuminates.
WIRING DIAGRAM:
VDCCM & H/U
B310
B20B30
BODY INTEGRATEDUNIT
B280B:
TCM
B54A:
23
B359
YAW R AT ESENSOR
34
20
B231
21
STEERING ANGLESENSOR
B231
1234
B54A:
12 7 8 9563410 11 1219 20 2113 14 15 16 17 1822 23 24
B136B310
B280B:
5467821931022 23111213141524 25 26 2716171828 29192021 30
ECM
B136
27
35
A3A4
TWISTED PAIR LINE
12345678910 11 12 13 14
15 16 17 18 19 2021 22 23 24 25 26 27 2829 30 31 32 33 3435 36 37 38 39403940
27 28394016101112131415252430
9871718192028212223293231
123456
2726333435
LAN00191
Step Check Yes No
1CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Connect the tester to vehicle side connec-
tor, and measure the resistance.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance between 55
— 65 Ω?
Go to step 2.Go to step 5.

LAN(diag)-47
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK HARNESS.
1) Disconnect the TCM connector (B54).
2) Connect the tester to vehicle side connec-
tor, and measure the resistance.
Connector & terminal
(B54) No. 3 — No. 4:
Is the resistance between 55
— 65 Ω?
Go to step 3.Go to step 5.
3CHECK HARNESS.
1) Disconnect the yaw rate sensor connector
(B359).
2) Connect the tester to vehicle side connec-
tor, and measure the resistance.
Connector & terminal
(B359) No. 2 — No. 3:
Is the resistance between 55
— 65 Ω?
Go to step 4.Go to step 5.
4CHECK HARNESS.
1) Disconnect the steering angle sensor con-
nector (B231).
2) Connect the tester to vehicle side connec-
tor, and measure the resistance.
Connector & terminal
(B231) No. 1 — No. 2:
Is the resistance between 55
— 65 Ω?
Go to step 12.Go to step 5.
5CHECK HARNESS.Is the measured resistance
115 — 125 Ω when connecting
the tester to vehicle side con-
nector?
Go to step 8.Go to step 6.
6CHECK HARNESS.Is the measured resistance
less than 10 Ω when connect-
ing the tester to vehicle side
connector?
Repair or replace
the short circuit of
measured related
harness.
Go to step 7.
7CHECK HARNESS.Is the measured resistance
more than 30 MΩ when con-
necting the tester to vehicle
side connector?
Repair or replace
the open circuit of
measured related
harness.
Go to step 12.
8CHECK HARNESS.
1) Disconnect the VDC CM connector.
2) Connect the tester to vehicle side harness,
and measure the resistance.
Connector & terminal
(B310) No. 20 — No. 34:
Is the resistance between 115
— 125 Ω?
Go to step 9.Go to step 10.
9CHECK CONTROL MODULE.
1) Connect the VDC CM connector.
2) Disconnect the connector from ECM.
3) Connect the tester to vehicle side harness,
and measure the resistance between termi-
nals.
Is the resistance between 115
— 125 Ω?
Go to step 16. Replace the VDC
CM. 7, VDC Control
Module & Hydrau-
lic Control Unit
(VDCCM&H/U).>
10 CHECK HARNESS.
1) Connect the VDC CM connector.
2) Disconnect the connector from ECM.
3) Connect the tester to vehicle side harness,
and measure the resistance between termi-
nals.
Connector & terminal
(B136) No. 27 — No. 35:
Is the resistance between 115
— 125 Ω?
Go to step 11.Repair or replace
the open circuit of
main wiring har-
ness.
11 CHECK CONTROL MODULE.
Connect the tester to ECM terminal, and mea-
sure the resistance.
Is the resistance between 115
— 125 Ω?
Go to step 12.Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
Step Check Yes No

LAN(diag)-48
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
12 CHECK HARNESS.
1) Connect the control module connectors
except body integrated unit.
2) Connect the tester to vehicle side harness.
3) Turn the ignition switch to ON, and mea-
sure the terminal voltage.
Connector & terminal
(B280) No. 20 — Chassis ground:
Is the voltage more than 6 V? Go to step 13. Go to step 14.
13 CHECK CONTROL MODULE.
Disconnect each control module connector
one by one with the tester connected to vehicle
side harness.
Is there any module which its
voltage changes to less than 6
V?
Replace the mod-
ule which its volt-
age changes.
Repair or replace
the shor t circuit of
the harness.
14 CHECK HARNESS.
1) Connect the control module connectors
except body integrated unit connector.
2) Connect the tester between vehicle side
harness and chassis ground, and measure the
resistance.
Connector & terminal
(B280) No. 20 — Chassis ground:
(B280) No. 30 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step 15.Repair or replace
the shor t circuit of
the harness.
15 CHECK CONTROL MODULE.
Disconnect each control module connector
one by one with the tester connected to vehicle
side harness.
Is there any module which its
resistance changes to more
than 10 Ω?
Replace the mod-
ule which its resis-
tance changes to
more than 10 Ω.
Repair or replace
the shor t circuit of
the harness.
16 CHECK CONTROL MODULE.
1) Connect all the control module connectors.
2) Connect the Subaru Select Monitor and
perform the clear memory.
3) Disconnect the TCM connector (B54).
4) Turn the ignition switch to ON and read the
DTC of body integrated unit. LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
Is DTC B0201 displayed? Go to step 17.Replace the TCM.
REMOVAL, Trans-
mission Control
Module (TCM).>
17 CHECK CONTROL MODULE.
1) Connect the TCM control module connec-
tor.
2) Using the Subaru Select Monitor, perform
the clear memory.
3) Disconnect the steering angle sensor con-
nector (B231).
4) Turn the ignition switch to ON and read the
DTC of body integrated unit. LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
Is DTC B0201 displayed? Go to step 18.Replace the steer-
ing angle sensor.
REPLACEMENT,
Steering Angle
Sensor.>
18 CHECK CONTROL MODULE.
1) Connect the steering angle sensor connec-
tor.
2) Using the Subaru Select Monitor, perform
the clear memory.
3) Disconnect the yaw rate sensor connector
(B359).
4) Turn the ignition switch to ON and read the
DTC of body integrated unit. LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
Is DTC B0201 displayed? Go to step 19.Replace the yaw
rate sensor. to VDC-18,
REMOVAL, Yaw
Rate & Lateral G
Sensor.>
Step Check Yes No

LAN(diag)-49
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
19 CHECK CONTROL MODULE.
1) Connect all the control module connectors.
2) Check the data of “body integrated unit
data received” on the current data display of
ECM using Subaru Select Monitor.
Is the “Yes” displayed? Go to step 20.Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
20 CHECK CONTROL MODULE.
Check the data of “body integrated unit counter
update” on the data display of ECM.
Is the “Yes” displayed? Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
Step Check Yes No

LAN(diag)-50
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
J: DTC B0202 CAN-HS BUS OFF
DTC DETECTING CONDITION:
•Find the unit or CAN line in which trouble occurs, and repair and replace it.
•Not received data and error data may be detected at the same time.
TROUBLE SYMPTOM:
“Er HC” is displayed in odo/trip meter.
WIRING DIAGRAM:
VDCCM & H/U
B310
B20B30
BODY INTEGRATEDUNIT
B280B:
TCM
B54A:
23
B359
YAW R AT ESENSOR
34
20
B231
21
STEERING ANGLESENSOR
B231
1234
B54A:
12 7 8 9563410 11 1219 20 2113 14 15 16 17 1822 23 24
B136B310
B280B:
5467821931022 23111213141524 25 26 2716171828 29192021 30
ECM
B136
27
35
A3A4
TWISTED PAIR LINE
12345678910 11 12 13 14
15 16 17 18 19 2021 22 23 24 25 26 27 2829 30 31 32 33 3435 36 37 38 39403940
27 28394016101112131415252430
9871718192028212223293231
123456
2726333435
LAN00191
Step Check Yes No
1CHECK TCM.
1) Disconnect the TCM connector (B54).
2) Clear the memory of the body integrated
unit. MODE, OPERATION, Subaru Select Monitor.>
3) Read DTC of body integrated unit.
Is DTC (B0202) displayed? Go to step 2.Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>

LAN(diag)-51
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK STEERING ANGLE SENSOR.
1) Disconnect the steering angle sensor con-
nector (B231).
2) Perform the clear memory mode of body
integrated unit. MEMORY MODE, OPERATION, Subaru
Select Monitor.>
3) Read DTC of body integrated unit.
Is DTC (B0202) displayed? Go to step 3.Replace the steer-
ing angle sensor.
REPLACEMENT,
Steering Angle
Sensor.>
3CHECK YAW RATE SENSOR
1) Disconnect the yaw rate sensor connector
(B359).
2) Perform the clear memory mode of body
integrated unit.
3) Read DTC of body integrated unit.
Is DTC (B0202) displayed? Go to step 4.Replace the yaw
rate sensor. to VDC-18,
REMOVAL, Yaw
Rate & Lateral G
Sensor.>
4CHECK THE BODY INTEGRATED UNIT.
1) Disconnect the body integrated unit con-
nector (B280).
2) Read the data between VDC/ABSCM and
ECM.
Check item:
•Engine speed
•Average front wheel speed (value on con-
stant driving)
Engine speed and front wheel
speed are correctly communi-
cated. (Appears same value)
Replace the body
integrated unit.
Body Integrated
Unit.>
Go to step 5.
5CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance between 55
— 65 Ω?
Go to step 11.Go to step 6.
6CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance between 115
— 125 Ω?
Go to step 8.Go to step 7.
7CHECK HARNESS.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance more than 30
MΩ?
Open circuit in
related line of body
integrated unit.
Repair the open
circuit of harness
or replace har-
ness.
Go to step 8.
8CHECK HARNESS.
1) Disconnect the VDC CM (B310) connector.
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(B310) No. 13 — No. 29:
Is the resistance between 115
— 125 Ω?
Go to step 9.Go to step 10.
9CHECK VDC CM.
1) Disconnect the VDC CM (B310) connector.
2) Measure the resistance between VDC CM
terminals.
Connector & terminal
(B310) No. 20 — No. 34:
Is the resistance between 115
— 125 Ω?
Go to step 10.Open circuit in end
resistance of VDC
CM. Replace the
VDC CM. VDC-7, VDC Con-
trol Module &
Hydraulic Control
Unit (VDCCM&H/
U).>
Step Check Yes No