2009 SUBARU TRIBECA ecm

EN(H6DO)(diag)-19
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
Oil switching sole-
noid valve RH
Signal (+) B137 25 0 1.9 —
Signal (–) B137 24 0 0 —
Oil switching sole-
noid valve LH
Signal (+) B137 31 0 1.9 —
Signal (–) B137 30 0 0 —
Oil temperature sensor signal B134 23 1.0 — 1.4 1.0 — 1.4After engine is
warmed-up.
Va r i a b l e va l v e l i f t d i a g n o s i s o i l
pressure switch RHB134 31 0 0 —
Va r i a b l e va l v e l i f t d i a g n o s i s o i l
pressure switch LHB134 32 0 0 —
Generator control B136 10 0 — 6.5 0 — 6.5 —
SSM communication B136 161 or less ←→ 4 or
more
1 or less ←→ 4 or
more—
Fuel tank pressure sensor B135 32 2.3 2.7 —
Drain valve B136 17ON: 1 or less
OFF: 10 — 13
ON: 1 or less
OFF: 13 — 14—
Fuel temperature sensor B135 17 2.5 — 3.8 2.5 — 3.8Ambient tempera-
ture: 25°C (75°F)
CAN communication line (+) B136 27More than 2.0 ←→
Less than 4.5
More than 2.0 ←→
Less than 4.5—
CAN communication (–) B136 35More than 0.5 ←→
Less than 3.0
More than 0.5 ←→
Less than 3.0—
Ground (injector system 1) B137 26 0 0 —
Ground (injector system 2) B137 6 0 0 —
Ground (engine 1) B134 5 0 0 —
Ground (engine 2) B137 7 0 0 —
Ground (engine 3) B137 2 0 0 —
Ground (engine 4) B137 1 0 0 —
Ground (engine 5) B137 3 0 0 —
Ground (engine 6) B134 3 0 0 —
Ground (body) B136 6 0 0 —
DescriptionConnector
No.
Te r m i n a l
No.
Signal (V)
ReferenceIgnition SW ON
(engine OFF)
Engine ON
(idling)

EN(H6DO)(diag)-50
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
C: MALFUNCTION INDICATOR LIGHT DOES NOT COME ON
DIAGNOSIS:
The malfunction indicator light circuit is open or shorted.
TROUBLE SYMPTOM:
When the ignition switch is turned to ON (engine OFF), malfunction indicator light does not come on.
WIRING DIAGRAM:
EN-03733
3
B72
i3
B38
B136
SBF-66
11
A4
7
MAIN SBFNO.5
B11
E
A3
B72
134562
B38
1234 5678910 11 12 13 14 15 16 17 18 19 20
ECM
COMBINATIONMETER
IGNITIONSWITCHBATTERY
i126
i1271*1*
2*
i10A:
i11B:
i127
i126
123456789101112
1234567891011121314
i11B:
123456789101112131415161718192021222324252627282930
i10A:
2* : TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
1* : TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
Step Check Yes No
1CHECK OUTPUT SIGNAL OF ECM.
1) Turn the ignition switch to ON.
2) Measure the voltage between ECM con-
nector and chassis ground.
Connector & terminal
(B136) No. 11 (+) — Chassis ground (–):
Is the voltage less than 1 V? Go to step 4.Go to step 2.
2CHECK POOR CONTACT.
Check for poor connection by shaking or pull-
ing ECM connector and harness.
Does the malfunction indicator
light illuminate?
Repair poor con-
tact in ECM con-
nector.
Go to step 3.

EN(H6DO)(diag)-51
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
3CHECK ECM CONNECTOR.
Check the connection of ECM connector.
Is the ECM connector correctly
connected?
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
Repair the con-
nection of ECM
connector.
4CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Remove the combination meter. IDI-11, Combination Meter.>
3) Disconnect the connector from ECM and
combination meter.
4) Measure the resistance of harness
between ECM and combination meter connec-
tor.
Connector & terminal
(B136) No. 11 — (i11) No. 11:
Is the resistance less than 1
Ω?
Go to step 5.Repair the har-
ness and connec-
tor.
NOTE:In this case, repair
the following item:
•Open circuit
of harness be-
tween ECM and
combination
meter connec-
tor
•Poor contact
of coupling con-
nector
5CHECK POOR CONTACT.
Check poor contact of combination meter con-
nector.
Is there poor contact in combi-
nation meter connector?
Repair the poor
contact of combi-
nation meter con-
nector.
Go to step 6.
6CHECK HARNESS BETWEEN COMBINA-
TION METER AND IGNITION SWITCH CON-
NECTOR.
1) Turn the ignition switch to ON.
2) Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 3 (+) — Chassis ground (–):
(i10) No. 4 (+) — Chassis ground (–):
Is the voltage more than 10 V? Replace the com-
bination meter
board. IDI-11, Combina-
tion Meter.>
Check the follow-
ing item and repair
if necessary.
NOTE:
•Blown out of
fuse (No. 5)
•Open or short
circuit of har-
ness between
fuse (No. 5) and
battery terminal
•Poor contact
of ignition
switch connec-
tor
Step Check Yes No

EN(H6DO)(diag)-52
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
D: MALFUNCTION INDICATOR LIGHT DOES NOT GO OFF.
DIAGNOSIS:
The malfunction indicator light circuit is shorted.
TROUBLE SYMPTOM:
Although malfunction indicator light comes on when the engine runs, DTC is not shown on the Subaru Select
Monitor display.
WIRING DIAGRAM:
EN-03733
3
B72
i3
B38
B136
SBF-66
11
A4
7
MAIN SBFNO.5
B11
E
A3
B72
134562
B38
1234 5678910 11 12 13 14 15 16 17 18 19 20
ECM
COMBINATIONMETER
IGNITIONSWITCHBATTERY
i126
i1271*1*
2*
i10A:
i11B:
i127
i126
123456789101112
1234567891011121314
i11B:
123456789101112131415161718192021222324252627282930
i10A:
2* : TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
1* : TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
Step Check Yes No
1CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Turn the ignition switch to ON.
Does the malfunction indicator
light illuminate?
Repair the short
circuit of harness
between combina-
tion meter and
ECM connector.
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>

EN(H6DO)(diag)-53
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
E: MALFUNCTION INDICATOR LIGHT DOES NOT BLINK.
DIAGNOSIS:
•The malfunction indicator light circuit is open or shorted.
•Test mode connector circuit is open.
TROUBLE SYMPTOM:
Malfunction indicator light does not blink during inspection mode.
WIRING DIAGRAM:
EN-03734
i126
i1271*1*
2*
i10A:
i11B:
BATTERY
3
B72
B420B421
IGNITION SWITCH
COMBINATION METER
B135B:
SBF-66
C11B27C6
ECM
B72
7
MAIN SBFNO.5
11
B420
1212
B11
i3
B38
E
A4A3
B136C:
134562
B38
1234 5678910 11 12 13 14 15 16 17 18 19 2012345678
B122
3*: TERMINAL NO. OPTIONAL ARRANGEMENT
2*: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
1*: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
B122
3*
3*
i127
i126
123456789101112
1234567891011121314
i11B:
123456789101112131415161718192021222324252627282930
i10A:B135
5672134
29
101112131415252416
30
98171819202821222332312627333435
B:B136
16101112131415252430
9871718192028212223293231
123456
2726333435
C:

EN(H6DO)(diag)-54
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK STATUS OF MALFUNCTION INDI-
CATOR LIGHT.
1) Turn the ignition switch to OFF.
2) Disconnect the test mode connectors.
3) Turn the ignition switch to ON.(Engine OFF)
Does the malfunction indicator
light illuminate?
Go to step 2.Repair the mal-
function indicator
light circuit. to
EN(H6DO)(diag)-
50, MALFUNC-
TION INDICATOR
LIGHT DOES NOT
COME ON, Mal-
function Indicator
Light.>
2CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Turn the ignition switch to ON.
Does the malfunction indicator
light illuminate?
Repair the short
circuit of harness
between combina-
tion meter and
ECM connector.
Go to step 3.
3CHECK HARNESS BETWEEN TEST MODE
CONNECTOR AND CHASSIS GROUND.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness
between test mode connector and chassis
ground.
Connector & terminal
(B421) No. 1 — Chassis ground:
Is the resistance less than 1
Ω?
Go to step 4.Repair the har-
ness and connec-
tor.
NOTE:
In this case, repair
the following item:
•Open circuit
of harness be-
tween test
mode connector
and chassis
ground
4CHECK POOR CONTACT.
Check poor contact of ECM connector.
Is there poor contact in ECM
connector?
Repair poor con-
tact in ECM con-
nector.
Go to step 5.
5CHECK HARNESS BETWEEN ECM AND
TEST MODE CONNECTOR.
1) Connect the test mode connector.
2) Measure the resistance of harness
between ECM and chassis ground.
Connector & terminal
(B135) No. 27 — Chassis ground:
Is the resistance less than 1
Ω?
Go to step 6.Repair the open
circuit of harness
between ECM and
test mode connec-
tor.
6CHECK POOR CONTACT.
Check poor contact of ECM connector.
Is there poor contact in ECM
connector?
Repair poor con-
tact in ECM con-
nector.
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>

EN(H6DO)(diag)-55
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
F: MALFUNCTION INDICATOR LIGHT REMAINS BLINKING.
DIAGNOSIS:
Test mode connector circuit is shorted.
TROUBLE SYMPTOM:
Malfunction indicator light blinks when test mode connector is not connected.
WIRING DIAGRAM:
EN-03734
i126
i1271*1*
2*
i10A:
i11B:
BATTERY
3
B72
B420B421
IGNITION SWITCH
COMBINATION METER
B135B:
SBF-66
C11B27C6
ECM
B72
7
MAIN SBFNO.5
11
B420
1212
B11
i3
B38
E
A4A3
B136C:
134562
B38
1234 5678910 11 12 13 14 15 16 17 18 19 2012345678
B122
3*: TERMINAL NO. OPTIONAL ARRANGEMENT
2*: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12
1*: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
B122
3*
3*
i127
i126
123456789101112
1234567891011121314
i11B:
123456789101112131415161718192021222324252627282930
i10A:B135
5672134
29
101112131415252416
30
98171819202821222332312627333435
B:B136
16101112131415252430
9871718192028212223293231
123456
2726333435
C:

EN(H6DO)(diag)-56
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK TEST MODE CONNECTOR.
1) Disconnect the test mode connectors.
2) Turn the ignition switch to ON.
Does the malfunction indicator
light blink?
Go to step 2.System is normal.
NOTE:Malfunction indica-
tor light blinks
when test mode
connector is con-
nected.
2CHECK HARNESS BETWEEN ECM CON-
NECTOR AND CHASSIS GROUND TERMI-
NAL.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness
between ECM connector and chassis ground.
Connector & terminal
(B135) No. 27 — Chassis ground:
Is the resistance less than 5
Ω?
Repair the short
circuit of harness
between ECM and
test mode connec-
tor.
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>