engine SUBARU TRIBECA 2009 1.G Service Workshop Manual

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).>

EN(H6DO)(diag)-57
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
16.Diagnostics for Engine Starting Failure
A: PROCEDURE
1. Check for fuel amount.
↓
2. Inspection of starter motor circuit. Fai l ur e. >
↓
3. Inspection of ECM power supply and ground line. LINE OF ENGINE CONTROL MODULE (ECM), Diagnostics for Engine Starting Failure.>
↓
4. Inspection of ignition control system. Starting Failure.>
↓
5. Inspection of fuel pump circuit
↓
6. Inspection of fuel injector circuit ure.>

EN(H6DO)(diag)-58
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
B: STARTER MOTOR CIRCUIT
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.
WIRING DIAGRAM:
EN-03735
3220
NO.21
B225
MAIN SBFSBF-6
E
1513
1614
ECM
B136
B72
B14
M
23
B72B225
101112
131415 16
17181920
21222324
25262728
293031 32
333435 36 39 40
3738
129
34
56
78
134562
BATTERY
IGNITIONSWITCH
STARTERRELAYSTARTER MOTOR
B136
16101112131415252430
9871718192028212223293231
123456
2726333435

EN(H6DO)(diag)-59
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK BATTERY.
Check the battery voltage.
Is the voltage more than 12 V? Go to step 2.Charge or replace
the battery.
2CHECK OPERATION OF STARTER MOTOR.Does the starter motor oper-
ate?
Go to step 3.Go to step 4.
3CHECK DTC.Is DTC displayed? EN(H6DO)(diag)-34, OPERA-
TION, Read Diagnostic Trouble
Code (DTC).>
Check the appro-
priate DTC using
the List of Diag-
nostic Trouble
Code (DTC). to
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
Repair poor con-
tact in ECM con-
nector.
4CHECK INPUT SIGNAL FOR STARTER MO-
TOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from starter
motor.
3) Turn the ignition switch to START.
4) Measure the power supply voltage between
starter motor connector terminal and engine
ground.
Connector & terminal
(B14) No. 1 (+) — Engine ground (–):
NOTE:Place the select lever in “P” or “N” range.
Is the voltage more than 10 V? Check the starter
motor. SC(H6DO)-6,
Starter.>
Go to step 5.
5CHECK HARNESS BETWEEN BATTERY
AND IGNITION SWITCH CONNECTOR.
1) Disconnect the connector from ignition
switch.
2) Measure the power supply voltage between
ignition switch connector and chassis ground.
Connector & terminal
(B72) No. 3 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 6.Repair the open
circuit of harness
between ignition
switch and bat-
tery, and check
fuse SBF No. 7
and SBF No. 1.
6CHECK IGNITION SWITCH.
1) Disconnect the connector from ignition
switch.
2) Measure the resistance between ignition
switch terminals after turning the ignition
switch to START position.
Te r m i n a l s
No. 2 — No. 3:
Is the resistance less than 5
Ω?
Go to step 7.Replace the igni-
tion switch.
7CHECK INPUT VOLTAGE OF STARTER RE-
LAY.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from starter relay.
3) Connect the connector to ignition switch.
4) Measure the input voltage between starter
relay connector and chassis ground after turn-
ing the ignition switch to START position.
Connector & terminal
(B225) No. 13 (+) — Chassis ground (–):
(B225) No. 15 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 8.Repair the open
circuit of harness
between starter
relay and ignition
switch.

EN(H6DO)(diag)-60
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
8CHECK STARTER RELAY.
1) Connect the battery to starter relay termi-
nals No. 15 and No. 16.
2) Measure the resistance between starter
relay terminals.
Te r m i n a l s
No. 13 — No. 14:
Is the resistance less than 1
Ω?
Go to step 9.Replace the
starter relay.
9CHECK INPUT VOLTAGE FROM ECM.
1) Turn the ignition switch to OFF.
2) Connect the connector to starter relay.
3) Disconnect the connectors from ECM.
4) Measure the voltage between ECM and
chassis ground.
Connector & terminal
(B136) No. 32 (+) — Chassis ground (–):
(B136) No. 20 (+) — Chassis ground (–):
Is the voltage more than 10 V? Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
Repair the open or
ground short cir-
cuit of harness
between ECM and
starter relay.
Step Check Yes No

EN(H6DO)(diag)-61
Diagnostics for Engine Starting Failure
ENGINE (DIAGNOSTICS)
C: CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MOD-
ULE (ECM)
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.
WIRING DIAGRAM:
EN-03736
SBF-6MAIN SBF
SBF-7
B72
B2A7C23
D7D3D1A5
B5B19
NO.12B47
E2
B21
12
46
53
ECM
EE
36
B134A:
D:B137
B135B:
B136C:
A3
52373634
3412
56
B47
TO OXYGEN SENSOR
NO.13
D2
35
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
B72
134562
B134
56 7821943102422 23 2511 12 13 14 1526 2728
16 1718 19 20 2133 34293230 31
A:B135
567821943102422 23 2511 12 13 14 1526 2728
16 17 18 1920 2129 30 31 32 33 34 35
B:
B137
5678219431022 2311 12 13 14 1524 2526
16 1718 19 20 2127 28 29 30 31
D:
SBF-5
D6D26
54
MAIN RELAY
BATTERYIGNITIONSWITCH
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
C:
Step Check Yes No
1CHECK MAIN RELAY
1) Turn the ignition switch to OFF.
2) Remove the main relay.
3) Connect the battery to main relay terminals
No. 1 and No. 2.
4) Measure the resistance between main relay
terminals.
Te r m i n a l s
No. 3 — No. 5:
No. 4 — No. 6:
Is the resistance less than 10
Ω?
Go to step 2.Replace the main
relay.