2009 SUBARU TRIBECA Service Workshop Manual

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Page 505 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual 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 integr

Page 506 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual 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,

Page 507 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual 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 c

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

Page 508 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LAN(diag)-52
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
10 CHECK ECM.
1) Disconnect the ECM connector (B136).
2) Measure the resistance between ECM con-
nector te

LAN(diag)-52
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
10 CHECK ECM.
1) Disconnect the ECM connector (B136).
2) Measure the resistance between ECM con-
nector terminals.
Connector & terminal
(B136) No. 27 — No. 35:
Is the resistance between 115
— 125 Ω?
Repair or replace
the open circuit of
harness connec-
tor.
Open circuit in end
resistance of
ECM. Replace the
ECM. FU(H6DO)-32,
Engine Control
Module (ECM).>
11 CHECK 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. 20 — Chassis ground:
(B280) No. 30 — Chassis ground:
Is the resistance less than 10
Ω?
Repair or replace
the ground short
circuit of the har-
ness.
Go to step 12.
12 CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the voltage between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 20 (+) — Chassis ground (–):
(B280) No. 30 (+) — Chassis ground (–):
Is the voltage more than 6 V? Repair the short
circuit of harness
or replace har-
ness.
Go to step 13.
13 CHECK DTC.
Read the DTC of ECM using Subaru Select
Monitor. AT I O N , R e a d D i a g n o s t i c Tr o u b l e C o d e
(DTC).>
Is DTC other than “CAN com-
munication” displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 14.
14 CHECK DTC.
Read the DTC of VDC CM using Subaru
Select Monitor. DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
Is DTC other than “CAN com-
munication” or “C0057” dis-
played?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 15.
15 CHECK DTC.
Read the DTC of TCM using Subaru Select
Monitor. Subaru Select Monitor.>
Is DTC other than “CAN com-
munication” displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
Step Check Yes No

Page 509 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LAN(diag)-53
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
K: DTC B0211 CAN-HS ECM DATA ABNORMAL
DTC DETECTING CONDITION:
Defective data from ECM.
TROUBLE SYMPTOM:
�

Page 510 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LAN(diag)-54
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
L: DTC B0212 CAN-HS TCM DATA ABNORMAL
DTC DETECTING CONDITION:
TCM has error, harness between the main har

Page 511 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LAN(diag)-55
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
M: DTC B0213 CAN-HS VDC/ABS DATA ABNORMAL
DTC DETECTING CONDITION:
VDC CM body has error, the main harness

Page 512 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LAN(diag)-56
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
N: DTC B0221 CAN-HS ECM NO-RECEIVE DATA
DTC DETECTING CONDITION:
Defective ECM. (If error is in the main h

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