2009 SUBARU TRIBECA Combination meter

LAN(diag)-31
List of Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
1. DTC TABLE
NOTE:
When more than two DTC codes are recorded, referring to their combination will make it easy to identify the
possible cause. Refer to the list for typical examples.
DTC to Check Diagnostic Code that was displayed. Probable cause
Body inte-
grated unitECM TCMVDC/ABS
CM
Combina-
tion meter
display

B0100 B0100 INTEG. UNIT SYSTEM
ERROR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
B0100 P0600 P1718 — Er IU There could be a prob-
lem in the body inte-
grated unit.
B0221 B0211 CAN-HS ECM DATA ABNOR-
MAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0221 — P1718 C0057 Er HC It is possible that the
ECM is faulty.
B0222 B0212 CAN-HS TCM DATA ABNOR-
MAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0222 P0600 — C0057 Er HC It is possible that the
TCM is faulty.
B0223 B0213 CAN-HS VDC/ABS DATA
ABNORMAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
B0223 P0600 P1718 — Er HC It is possible that the
VDC/ABS CM is faulty.
B0321 B0321 CAN-LS METER NO-RECEIVE
DATA, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0321 — — — — It is possible that the
combination meter is
faulty.
B0313 B0313 CAN-LS MONITOR DATA
ABNORMAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
B0313 — — — — It is possible that the
navigation monitor or
MFD is faulty.
B0500 B0500 KEYLESS UART COM. MAL-
FUNCTION, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
B0500 — — — — It is possible that the
keyless entry module
is faulty.

LAN(diag)-35
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
B: DIAGNOSTIC TROUBLE CODE (DTC) IS NOT STORED
DIAGNOSIS:
Defective combination meter
TROUBLE SYMPTOM:
•Communication error display in odo/trip meter is not cleared.
•“No trouble code” is displayed on Subaru Select Monitor.
NOTE:
If DTC is not displayed on Subaru Select Monitor, LAN communication System should be OK.
C: DTC B0100 INTEG. UNIT SYSTEM ERROR
DTC DETECTING CONDITION:
System error in body integrated unit
TROUBLE SYMPTOM:
•Check light comes on in the combination meter, and displays communication error display “Er IU”.
•LAN communication immobilizer function may not be executed normally.
Step Check Yes No
1CHECK COMMUNICATION ERROR DIS-
PLAY WITH COMBINATION METER.
Tu r n t h e i g n i t i o n s w i t c h t o O N .
Is communication error dis-
played?
Inspect the DTC. Go to step 2.
2CHECK COMBINATION METER.
Perfor m the self-diagnosis of combination
meter.
Is combination meter OK? Go to step 3.Replace the com-
bination meter.
Combination
Meter.>
3CHECK THE BODY INTEGRATED UNIT.
1) Display the current data of ECM using Sub-
aru Select Monitor.
2) Check data of “body integrated unit data
received”.
Is “Yes” displayed? Go to step 4.Replace the body
integrated unit.
Body Integrated
Unit.>
4CHECK THE BODY INTEGRATED UNIT.
1) Display the current data of ECM using Sub-
aru Select Monitor.
2) Check data of “body Integrated unit counter
update”.
Is “Yes” displayed? Repair the poor
contact of connec-
tor.
Replace the body
integrated unit.
Body Integrated
Unit.>
Step Check Yes No
1CHECK ALL DTCS.Is DTC concerning ECM dis-
played?
Go to step 2.Replace the body
integrated unit.
Body Integrated
Unit.>
2CHECK DTC CONCERNING ECM.Is output DTC on ECM con-
cerning CAN communication
error?
Replace the body
integrated unit.
Body Integrated
Unit.>
Per fo r m th e di ag -
nosis according to
DTC concerning
ECM.

LAN(diag)-38
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
E: DTC B0102 BATT P/SUPPLY MALFUNCTION CONT.
DTC DETECTING CONDITION:
Battery power supply backup circuit is open or shorted.
TROUBLE SYMPTOM:
•Engine malfunction indicator light may illuminates.
•Keyless entry, room light and key illumination do not operate.
•“En IU” may display in combination meter.
NOTE:
When some B0101 BATT p/supply malfunction cont. are output at the same time, all function of body inte-
grated unit may not function.
WIRING DIAGRAM:
LAN00149
SYSTEM CONTROL POWER SUPPLYBACK-UP POWER
SUPPLY
BODY INTEGRATED UNIT
B7C2
A21C9B22C8
MICRO COMPUTER
C24B13
i84
B52
B280
R168C:B:
B:
A:
12345678910 11 12 19 2013 14 15 16 17 18
R168C:
B52B:
34128910 1112 13 14 15 16 17 18 19 20 21 22 23 24567
E
MAIN SBF-11BATTERY
B281C:
EE
B280B:
B281C:
567821943102422 2325111213141526 27281617181920 21
5467821931022 23111213141524 25 26 2716171828 29192021 30
i84A:
1234567891011121314151617181920212223242526272829303132333435
FB-18 NO.7MB-29 NO.8

LAN(diag)-64
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK HARNESS.
1) Disconnect the combination meter connec-
tor.
2) Measure the resistance between junction
connector and combination meter connector.
Connector & terminal
(i10) No. A29 — (i77) No. 1 to 6:
(i10) No. A30 — (i77) No. 7 to 12:
Is the resistance less than 10
Ω?
Go to step 3.Repair the open
circuit of harness
or replace har-
ness.
3CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280) and Auto A/C control module
connector (B283).
2) Measure the resistance between body inte-
grated unit connector and auto A/C control
module connector.
Connector & terminal
(B283) No. 1 — (B280) No. 26:
(B283) No. 14 — (B280) No. 25:
Is the resistance less than 10
Ω?
Go to step 4.Repair the open
circuit of harness
or replace har-
ness.
4CHECK HARNESS.
1) Connect the junction connector.
2) Measure the resistance between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 25 — Chassis ground:
(B280) No. 26 — Chassis ground:
(i84) No. 26 — Chassis ground:
(i84) No. 27 — Chassis ground:
Is the resistance less than 10
Ω?
Repair the short
circuit of harness
or replace har-
ness.
Go to step 5.
5CHECK HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 25 (+) — Chassis ground (–):
(B280) No. 26 (+) — Chassis ground (–):
(i84) No. 26 (+) — Chassis ground (–):
(i84) No. 27 (+) — Chassis ground (–):
Is the voltage more than 6 V? Repair the short
circuit of harness
or replace har-
ness.
Go to step 6.
6CHECK AUTO A/C.
Perfor m the auto A/C self-diagnosis. AC(diag)-13, A/C CONTROL SYSTEM SELF-
DIAGNOSIS, OPERATION, Diagnostic Chart
for Self-diagnosis.>
Is the self-diagnosis OK? Go to step 7.Replace the auto
A/C control mod-
ule. 32, REMOVAL,
Control Unit (Auto
A/C Model).>
7CHECK COMBINATION METER.
1) Connect all the connectors.
2) Turn the ignition switch to ON.
3) Check the display of combination meter,
odo/trip.
Is “Er SS” and “Er SP” dis-
played?
Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
Replace the com-
bination meter.
REMOVAL, Com-
bination Meter.>
Step Check Yes No

LAN(diag)-65
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
R: DTC B0301 CAN-LS COUNTER ABNORMAL
DTC DETECTING CONDITION:
Find the unit in which trouble occurs and open or short CAN line, and repair and replace them.
(Free running counter error may be detected at the same time from the unit in which malfunction occurs.)
TROUBLE SYMPTOM:
“Er LC” is displayed in odo/trip meter.
WIRING DIAGRAM:
i128
1*
2*1*
2*
CAN JOINTCONNECTOR
i10
B283
A29A30
A27
A26
B26
B25
A: i84
B: B280B1
B14
TWISTED PAIR LINE
5467821931022 231112131415242526 2716171828 29192021 30
B280
i84
1234567891011121314151617181920212223242526272829303132333435
2345 678912 13 14 15 16 17 18 19 20 21 2210111
B283
i10
COMBINATIONMETER
BODYINTEGRATEDUNIT
AUTO A/CCONTROLMODULE
123456789101112
LAN00193
A:
B:
2*
1*
A6
A14
FRONTMONITOR
21
22MFD
2* :TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8, 9, 10, 11 AND 12
1* :TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 1, 2, 3, 4, 5 AND 6
i119
i122
A:
A:
A:
i119A:
i122
i128B:
MFDNAVI
MFD
NAVI
9
19 20
105672143131211
14 15 16 17
8
18222125262423
12345678910 11 12 13 14 15 16
345 678919 20 2114 15 16 17 1812101211 13 22
Step Check Yes No
1CHECK AUTO A/C CONTROL MODULE.
1) Display the current data of body integrated
unit using Subaru Select Monitor.
2) Display the number of blower fan levels in
the analog data.
3) Read the data display when the number of
blower fan levels is changed on air conditioner
control part.
Does the data display change? Go to step 2.Go to step 3.

LAN(diag)-66
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK COMBINATION METER.
1) Display the current data of body integrated
unit using Subaru Select Monitor.
2) Display the door switch in analog data.
3) Read the display of data and combination
meter when each door is opened/closed.
Do the body integrated unit
data indicator and combina-
tion meter indicator change
according to operation?
Go to step 3.Go to step 4.
3CHECK AUTO A/C CONTROL MODULE
HARNESS.
1) Disconnect the auto A/C control module
connector.
2) Disconnect the body integrated unit con-
nector.
3) Measure the resistance of harness
between body integrated unit and auto A/C
control module.
Connector & terminal
(B280) No. 26 — (D283) No. 1:
(B280) No. 25 — (D283) No. 14:
Is the resistance less than 10
Ω?
Go to step 5.Repair the open
circuit of harness
or replace har-
ness.
4CHECK COMBINATION METER HARNESS.
1) Disconnect the combination meter connec-
tor.
2) Disconnect the body integrated unit con-
nector.
3) Measure the resistance between body inte-
grated unit and combination meter connector.
Connector & terminal
(i84) No. 26 — (i10) No. 30:
(i84) No. 27 — (i10) No. 29:
Is the resistance less than 10
Ω?
Go to step 6.Repair the open
circuit of harness
or replace har-
ness.
5CHECK AUTO A/C CONTROL MODULE.
Perfor m the auto A/C control module self-diag-
nosis. SYSTEM SELF-DIAGNOSIS, OPERATION,
Diagnostic Chart for Self-diagnosis.>
Is the self-diagnosis OK? Go to step 6.Replace the auto
A/C control mod-
ule. 32, REMOVAL,
Control Unit (Auto
A/C Model).>
6CHECK COMBINATION METER.
Perfor m the self-diagnosis for combination
meter system. SIS, INSPECTION, Combination Meter Sys-
tem.>
Is the self-diagnosis OK? Go to step 7.Replace the com-
bination meter.
REMOVAL, Com-
bination Meter.>
7CHECK THE BODY INTEGRATED UNIT.
Read the data of “body integrated unit data
received” on ECM data display using Subaru
Select Monitor.
Is “Yes” displayed? Go to step 8.Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
8CHECK THE BODY INTEGRATED UNIT.
Read the data of “body integrated unit counter
update” on ECM data display using Subaru
Select Monitor.
Is “Yes” displayed? Temporary poor
contact occurs.
Check the connec-
tion of connector.
Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
Step Check Yes No

LAN(diag)-67
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
S: DTC B0302 CAN-LS BUS OFF
DTC DETECTING CONDITION:
Because of a lot of error data occurred, some units have been disconnected not to affect other units.
Communication error from the unit in which error is occurred is input at the same time.
TROUBLE SYMPTOM:
“Er LC” is displayed in odo/trip meter.
WIRING DIAGRAM:
i128
1*
2*1*
2*
CAN JOINTCONNECTOR
i10
B283
A29A30
A27
A26
B26
B25
A: i84
B: B280B1
B14
TWISTED PAIR LINE
5467821931022 231112131415242526 2716171828 29192021 30
B280
i84
1234567891011121314151617181920212223242526272829303132333435
2345 678912 13 14 15 16 17 18 19 20 21 2210111
B283
i10
COMBINATIONMETER
BODYINTEGRATEDUNIT
AUTO A/CCONTROLMODULE
123456789101112
LAN00193
A:
B:
2*
1*
A6
A14
FRONTMONITOR
21
22MFD
2* :TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8, 9, 10, 11 AND 12
1* :TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 1, 2, 3, 4, 5 AND 6
i119
i122
A:
A:
A:
i119A:
i122
i128B:
MFDNAVI
MFD
NAVI
9
19 20
105672143131211
14 15 16 17
8
18222125262423
12345678910 11 12 13 14 15 16
345 678919 20 2114 15 16 17 1812101211 13 22
Step Check Yes No
1CHECK AUTO A/C CONTROL MODULE.
1) Display the current data of body integrated
unit using Subaru Select Monitor.
2) Display the number of blower fan levels in
the analog data.
3) Read the data display when the number of
blower fan levels is changed on air conditioner
control part.
Does the data display change? Go to step 2.Go to step 3.

LAN(diag)-68
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
2CHECK COMBINATION METER.
1) Display the current data of body integrated
unit using Subaru Select Monitor.
2) Display the door switch in analog data.
3) Read the display of data and combination
meter when each door is opened/closed.
Do the body integrated unit
data indicator and combina-
tion meter indicator change
according to operation?
Go to step 3.Go to step 4.
3CHECK AUTO A/C CONTROL MODULE
HARNESS.
1) Disconnect the auto A/C control module
connector.
2) Disconnect the body integrated unit con-
nector.
3) Measure the resistance of harness
between body integrated unit and auto A/C
control module.
Connector & terminal
(B280) No. 26 — (D283) No. 1:
(B280) No. 25 — (D283) No. 14:
Is the resistance less than 10
Ω?
Go to step 5.Repair the open
circuit of harness
or replace har-
ness.
4CHECK COMBINATION METER HARNESS.
1) Disconnect the combination meter connec-
tor.
2) Disconnect the body integrated unit con-
nector.
3) Measure the resistance between body inte-
grated unit and combination meter connector.
Connector & terminal
(i84) No. 26 — (i10) No. 29:
(i84) No. 27 — (i10) No. 30:
Is the resistance less than 10
Ω?
Go to step 6.Repair the open
circuit of harness
or replace har-
ness.
5CHECK AUTO A/C CONTROL MODULE.
Perfor m the auto A/C control module self-diag-
nosis. SYSTEM SELF-DIAGNOSIS, OPERATION,
Diagnostic Chart for Self-diagnosis.>
Is the self-diagnosis OK? Go to step 6.Replace the auto
A/C control mod-
ule. 32, REMOVAL,
Control Unit (Auto
A/C Model).>
6CHECK COMBINATION METER.
Perfor m the self-diagnosis for combination
meter system. SIS, INSPECTION, Combination Meter Sys-
tem.>
Is the self-diagnosis OK? Go to step 7.Replace the com-
bination meter.
REMOVAL, Com-
bination Meter.>
7CHECK THE BODY INTEGRATED UNIT.
Read the data of “body integrated unit data
received” on ECM data display using Subaru
Select Monitor.
Is “Yes” displayed? Go to step 8.Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
8CHECK THE BODY INTEGRATED UNIT.
Read the data of “body integrated unit counter
update” on ECM data display using Subaru
Select Monitor.
Is “Yes” displayed? Connect all the
connectors, and
make sure same
DTC is not dis-
played.
Replace the body
integrated unit.
REMOVAL, Body
Integrated Unit.>
Step Check Yes No