2009 SUBARU TRIBECA B136

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 harness, DTC P0600 CAN communication link is input simultaneous-
ly.)
NOTE:
When more than two DTCs are displayed. Code (DTC).>
TROUBLE SYMPTOM:
•Malfunction indicator light illuminates.
•“Er HC” is displayed in odo/trip meter.
•P1718 (TCM) and C0057 (VDC CU) are output.
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

LAN(diag)-57
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the resistance between harness
connectors.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance 55 — 65 Ω?
(Specification 60 Ω)
Read the DTC of
ECM. Perform the
diagnosis accord-
ing to DTC. to
EN(H6DO)(diag)-
26, READ DIAG-
NOSTIC TROU-
BLE CODE (DTC)
FOR ENGINE
(NORMAL
MODE), OPERA-
TION, Subaru
Select Monitor.>
Go to step 2.
2CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280).
2) Measure the resistance between harness
connectors.
Connector & terminal
(B280) No. 20 — No. 30:
Is the resistance 115 — 125Ω?
(End resistance or main wiring
harness is open.)
Go to step 3.Related line of
body integrated
unit is open when
∞ Ω. Repair the
open circuit of har-
ness or replace
harness.
3CHECK HARNESS.
1) Disconnect the ECM connector (B136).
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(B136) No. 27 — No. 35:
Is the resistance 115 — 125
Ω? (End resistance specifica-
tion 120 Ω)
Go to step 4.Go to step 5.
4CHECK ECM.
1) Disconnect the ECM connector (B136).
2) Measure the resistance between ECM ter-
minals.
Connector & terminal
(B136) No. 27 — No. 35:
Is the resistance between 115
— 125 Ω?
Read the DTC of
ECM. Perform the
diagnosis accord-
ing to DTC. to
EN(H6DO)(diag)-
26, READ DIAG-
NOSTIC TROU-
BLE CODE (DTC)
FOR ENGINE
(NORMAL
MODE), OPERA-
TION, Subaru
Select Monitor.>
End resistance is
open. Replace the
ECM. FU(H6DO)-32,
Engine Control
Module (ECM).>
5CHECK HARNESS.
1) Disconnect the ECM connector (B137).
2) Measure the resistance between harness
connector and chassis ground.
Connector & terminal
(B136) No. 27 — Chassis ground:
(B136) No. 35 — Chassis ground:
Is the resistance less than 10
Ω?
Repair the short
circuit of harness
or replace har-
ness.
Go to step 6.

LAN(diag)-58
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
6CHECK HARNESS.
1) Disconnect the body integrated unit (B280),
ECM (B136), TCM (B54), VDC CU (B310) and
Ya w r a t e s e n s o r ( B 3 5 9 ) c o n n e c t o r s .
2) Measure the voltage between harness con-
nector and chassis ground while turning the
ignition switch to ON.
Connector & terminal
(B280) No. 20 (+) — Chassis ground (–):
(B280) No. 30 (+) — Chassis ground (–):
Is the voltage more than 6 V? Repair or replace
the short circuit of
the harness.
Read the DTC of
ECM. Perform the
diagnosis accord-
ing to DTC. to
EN(H6DO)(diag)-
26, READ DIAG-
NOSTIC TROU-
BLE CODE (DTC)
FOR ENGINE
(NORMAL
MODE), OPERA-
TION, Subaru
Select Monitor.>
Step Check Yes No

LAN(diag)-59
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
O: DTC B0222 CAN-HS TCM NO-RECEIVE DATA
DTC DETECTING CONDITION:
TCM has error, harness between the main harness splice and TCM is open or shorted, connectors are not
connected securely, or the terminal has poor caulking.
NOTE:
When more than two DTCs are displayed. Code (DTC).>
TROUBLE SYMPTOM:
•Malfunction indicator light illuminates.
•“Er HC” is displayed in odo/trip meter.
•P0600 (ECM) and C0057 (VDC CM) are output.
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

LAN(diag)-61
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
P: DTC B0223 CAN-HS VDC/ABS NO-RECEIVE DATA
DTC DETECTING CONDITION:
Defective VDC CM. (If error is in the main harness, DTC P0600 High-speed CAN circuit is input at the same
time.)
NOTE:
When more than two DTCs are displayed. Code (DTC).>
TROUBLE SYMPTOM:
•ABS warning light and VDC warning light come on.
•“Er HC” is displayed in odo/trip meter.
•P0600 (ECM) and C1718 (TCM) are output.
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

BVC(diag)-8
Engine Control Module (ECM) I/O Signal
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
5. Engine Control Module (ECM) I/O Signal
A: ELECTRICAL SPECIFICATION
DescriptionConnector
No.
Te r m i n a l
No.
Signal (V)
NOTEIgnition SW ON
(engine OFF)
Engine ON
(idling)
Brake vacuum
sensor
Signal B134 27 1 — 3.8 1 — 3.8 —
Pow er s up pl y B 1 35 2 2 5 5 —
Ground B135 30 0 0 —
Self-shutoff control B136 23 0 0 —
Brake vacuum
pump
Relay drive B136 8
10 — 13
(When the pump is OFF)
12 — 14
(When the pump is ON)—
0 (When the pump is ON) 0 (When the pump is ON)
Electric load B135 25
0 (When the pump is OFF) 0 (When the pump is OFF)
—10 — 13
(When the pump is ON)
12 — 14
(When the pump is ON)
SSM communication line B136 16 1 or less ←→ 4 or more 1 or less ←→ 4 or more —
EN-01812
B134
5678219431024 2223251112131415262728
1617181920213334 2932 3031
B136
5678219431024 2223251112131415262728
16171819202133342932303135
B135
5678219431024 2223251112131415262728
16171819202129303132333435
B137
5678219431022231112131415242526
1617181920212728293031
ToToToTo

BVC(diag)-15
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
11.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC 11 SENSOR OUTPUT OUT OF RANGE
DTC DETECTING CONDITION:
Brake vacuum sensor malfunction
TROUBLE SYMPTOM:
Brake vacuum pump does not operate.
WIRING DIAGRAM:
BR-00528
2
1
B25B
B422
1234
B432
2
1
4
36
5
8
7
B432
SBF HOLDER
3
7
14
21
53
43
VC2
VC3
B422
B422
VC3
RELAY BOX(VACUUMPUMP RELAY)
B417
VAC U U MPUMP
26
41
B47
MAINRELAY
B411
VAC U U M S E N S O RECM
A: B134B: B135C: B136
C23B30B22A27C8312
JOINT CONNECTOR
B424
**
B417B411
213
B: C:B135
5672134
29
101112131415252416
30
98171819202821222332312627333435
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
VC2
A:B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
B424
34561278
(BROWN)
21
5436
B47
* : TERMINAL NO. OPTIONAL ARRANGEMENT
21
SBF-7BATTERY
30A
3412
5
8967
10131211
14

BVC(diag)-17
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BRAKE VACUUM CONTROL (BVC) (DIAGNOSTICS)
B: DTC 12 COMPARE ERROR IN OTHER SENSOR
DTC DETECTING CONDITION:
Brake vacuum sensor malfunction
TROUBLE SYMPTOM:
Brake vacuum pump does not operate.
WIRING DIAGRAM:
BR-00528
2
1
B25B
B422
1234
B432
2
1
4
36
5
8
7
B432
SBF HOLDER
3
7
14
21
53
43
VC2
VC3
B422
B422
VC3
RELAY BOX(VACUUMPUMP RELAY)
B417
VAC U U MPUMP
26
41
B47
MAINRELAY
B411
VAC U U M S E N S O RECM
A: B134B: B135C: B136
C23B30B22A27C8312
JOINT CONNECTOR
B424
**
B417B411
213
B: C:B135
5672134
29
101112131415252416
30
98171819202821222332312627333435
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
VC2
A:B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
B424
34561278
(BROWN)
21
5436
B47
* : TERMINAL NO. OPTIONAL ARRANGEMENT
21
SBF-7BATTERY
30A
3412
5
8967
10131211
14