abs SUBARU TRIBECA 2009 1.G Service Workshop Manual
[x] Cancel search | Manufacturer: SUBARU, Model Year: 2009, Model line: TRIBECA, Model: SUBARU TRIBECA 2009 1.GPages: 2453, PDF Size: 46.32 MB
Page 1297 of 2453

EN(H6DO)(diag)-136
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Y: DTC P0107 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE
CIRCUIT LOW INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode
WIRING DIAGRAM:
EN-03657
29619
MANIFOLD ABSOLUTEPRESSURE SENSOR
19207B21
E2
132E28
ECMB134
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
651E77
E76
E28
123
E77
134562
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
Page 1298 of 2453

EN(H6DO)(diag)-137
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK CURRENT DATA.
1) Start the engine.
2) Read the data of intake manifold absolute
pressure signal using Subaru Select Monitor or
general scan tool.
NOTE:
•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”.
tor.>
•General scan tool
For detailed operation procedure, refer to the
general scan tool operation manual.
Is the measured value less
than 13.3 kPa (100 mmHg,
3.94 inHg) ?
Go to step 3.Go to step 2.
2CHECK POOR CONTACT.
Check the poor contact in ECM and manifold
absolute pressure sensor connector.
Is there poor contact in ECM or
manifold absolute pressure
sensor connector?
Repair the poor
contact in ECM or
manifold absolute
pressure sensor
connector.
Even if the mal-
function indicator
light illuminates,
the circuit has
returned to a nor-
mal condition at
this time.
3CHECK OUTPUT SIGNAL OF ECM.
Measure the voltage between ECM connector
and chassis ground.
Connector & terminal
(B134) No. 19 (+) — Chassis ground (–):
Is the voltage more than 4.5 V? Go to step 5.Go to step 4.
4CHECK OUTPUT SIGNAL OF ECM.
Measure the voltage between ECM connector
and chassis ground.
Connector & terminal
(B134) No. 19 (+) — Chassis ground (–):
Does the voltage change by
shaking the ECM harness and
connector?
Repair poor con-
tact in ECM con-
nector.
Replace the ECM.
Engine Control
Module (ECM).>
5CHECK INPUT SIGNAL OF ECM.
Measure the voltage between ECM and chas-
sis ground.
Connector & terminal
(B134) No. 6 (+) — Chassis ground (–):
Is the voltage less than 0.2 V? Go to step 7.Go to step 6.
6CHECK INPUT SIGNAL FOR ECM (USING
SUBARU SELECT MONITOR).
Read the data of atmospheric absolute pres-
sure signal using Subaru Select Monitor.
NOTE:For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”.
tor.>
Is the measured value more
than 13.3 kPa (100 mmHg,
3.94 inHg) when shaking the
ECM harness and connector?
Repair poor con-
tact in ECM con-
nector.
Go to step 7.
7CHECK HARNESS BETWEEN ECM AND
MANIFOLD ABSOLUTE PRESSURE SEN-
SOR CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from manifold
absolute pressure sensor.
3) Turn the ignition switch to ON.
4) Measure the voltage between manifold
absolute pressure sensor connector and
engine ground.
Connector & terminal
(E28) No. 3 (+) — Engine ground (–):
Is the voltage more than 4.5 V? Go to step 8.Repair the open
circuit of harness
between ECM and
manifold absolute
pressure sensor
connector.
Page 1299 of 2453

EN(H6DO)(diag)-138
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
8CHECK HARNESS BETWEEN ECM AND
MANIFOLD ABSOLUTE PRESSURE SEN-
SOR CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness
between ECM and manifold absolute pressure
sensor connector.
Connector & terminal
(B134) No. 29 — (E28) No. 1:
Is the resistance less than 1
Ω?
Go to step 9.Repair the open
circuit of harness
between ECM and
manifold absolute
pressure sensor
connector.
9CHECK POOR CONTACT.
Check poor contact of manifold absolute pres-
sure sensor connector.
Is there poor contact in mani-
fold absolute pressure sensor
connector?
Repair the poor
contact of manifold
absolute pressure
sensor connector.
Replace the mani-
fold absolute pres-
sure sensor.
Manifold Absolute
Pressure Sensor.>
Step Check Yes No
Page 1300 of 2453

EN(H6DO)(diag)-139
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Z: DTC P0108 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE
CIRCUIT HIGH INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode
WIRING DIAGRAM:
EN-03657
29619
MANIFOLD ABSOLUTEPRESSURE SENSOR
19207B21
E2
132E28
ECMB134
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
651E77
E76
E28
123
E77
134562
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
Page 1301 of 2453

EN(H6DO)(diag)-140
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK OUTPUT SIGNAL OF ECM.
Measure the voltage between ECM connector
and chassis ground.
Connector & terminal
(B134) No. 19 (+) — Chassis ground (–):
Is the voltage more than 4.5 V? Go to step 3.Go to step 2.
2CHECK OUTPUT SIGNAL OF ECM.
Measure the voltage between ECM connector
and chassis ground.
Connector & terminal
(B134) No. 19 (+) — Chassis ground (–):
Does the voltage change by
shaking the ECM harness and
connector?
Repair poor con-
tact in ECM con-
nector.
Replace the ECM.
Engine Control
Module (ECM).>
3CHECK INPUT SIGNAL OF ECM.
Measure the voltage between ECM connector
and chassis ground.
Connector & terminal
(B134) No. 6 (+) — Chassis ground (–):
Is the voltage more than 4.5 V? Go to step 5.Go to step 4.
4CHECK INPUT SIGNAL FOR ECM (USING
SUBARU SELECT MONITOR).
Read the data of atmospheric absolute pres-
sure signal using Subaru Select Monitor.
NOTE:For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”.
tor.>
Is the measured value more
than 13.3 kPa (100 mmHg,
3.94 inHg) when shaking the
ECM harness and connector?
Repair poor con-
tact in ECM con-
nector.
Go to step 5.
5CHECK HARNESS BETWEEN ECM AND
MANIFOLD ABSOLUTE PRESSURE SEN-
SOR CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from manifold
absolute pressure sensor.
3) Turn the ignition switch to ON.
4) Measure the voltage between manifold
absolute pressure sensor connector and
engine ground.
Connector & terminal
(E28) No. 3 (+) — Engine ground (–):
Is the voltage more than 4.5 V? Go to step 6.Repair the open
circuit of harness
between ECM and
manifold absolute
pressure sensor
connector.
6CHECK HARNESS BETWEEN ECM AND
MANIFOLD ABSOLUTE PRESSURE SEN-
SOR CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness
between ECM and manifold absolute pressure
sensor connector.
Connector & terminal
(B134) No. 6 — (E28) No. 2:
Is the resistance less than 1
Ω?
Go to step 7.Repair the open
circuit of harness
between ECM and
manifold absolute
pressure sensor
connector.
7CHECK HARNESS BETWEEN THE MANI-
FOLD ABSOLUTE PRESSURE SENSOR
CONNECTOR.
1) Turn the ignition switch to ON.
2) Measure the voltage between ECM con-
nector and chassis ground.
Connector & terminal
(B134) No. 6 (+) — Chassis ground (–):
Is the voltage more than 4.5 V? Repair the battery
short circuit of har-
ness between
ECM and mani-
fold absolute pres-
sure sensor
connector.
Go to step 8.
Page 1302 of 2453

EN(H6DO)(diag)-141
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
8CHECK HARNESS BETWEEN ECM AND
MANIFOLD ABSOLUTE PRESSURE SEN-
SOR CONNECTOR.
1) Turn the ignition switch to OFF.
2) Measure the resistance of harness
between ECM and manifold absolute pressure
sensor connector.
Connector & terminal
(B134) No. 29 — (E28) No. 1:
Is the resistance less than 1
Ω?
Go to step 9.Repair the open
circuit of harness
between ECM and
manifold absolute
pressure sensor
connector.
9CHECK POOR CONTACT.
Check poor contact of manifold absolute pres-
sure sensor connector.
Is there poor contact in mani-
fold absolute pressure sensor
connector?
Repair the poor
contact of manifold
absolute pressure
sensor connector.
Replace the mani-
fold absolute pres-
sure sensor.
Manifold Absolute
Pressure Sensor.>
Step Check Yes No
Page 1553 of 2453

EN(H6DO)(diag)-392
General Diagnostic Table
ENGINE (DIAGNOSTICS)
19.General Diagnostic Table
A: INSPECTION
1. ENGINE
NOTE:
Malfunction of parts other than those listed is also possible.
Symptom Problem parts
1. Engine stalls during idling.
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Ignition parts (*1)
4) Engine coolant temperature sensor (*2)
5) Crankshaft position sensor (*3)
6) Camshaft position sensor (*3)
7) Fuel injection parts (*4)
2. Rough idling
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Engine coolant temperature sensor (*2)
4) Ignition parts (*1)
5) Air intake system (*5)
6) Fuel injection parts (*4)
7) Electronic throttle control
8) Crankshaft position sensor (*3)
9) Camshaft position sensor (*3)
10) Oxygen sensor
11) Fuel pump and fuel pump relay
3. Engine does not return to idle.
1) Engine coolant temperature sensor
2) Electronic throttle control
3) Manifold absolute pressure sensor
4) Mass air flow and intake air temperature sensor
5) Accelerator pedal position sensor
6) Oil temperature sensor
4. Poor acceleration
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Electronic throttle control
4) Fuel injection parts (*4)
5) Fuel pump and fuel pump relay
6) Engine coolant temperature sensor (*2)
7) Crankshaft position sensor (*3)
8) Camshaft position sensor (*3)
9) A/C switch and A/C cut relay
10) Engine torque control signal circuit
11) Ignition parts (*1)
12) Accelerator pedal position sensor
13) Oil temperature sensor
5. Engine stalls, engine sags or hesitates at accel-
eration.
1) Manifold absolute pressure sensor
2) Mass air flow and intake air temperature sensor
3) Engine coolant temperature sensor (*2)
4) Crankshaft position sensor (*3)
5) Camshaft position sensor (*3)
6) Purge control solenoid valve
7) Fuel injection parts (*4)
8) Electronic throttle control
9) Fuel pump and fuel pump relay
Page 1554 of 2453

EN(H6DO)(diag)-393
General Diagnostic Table
ENGINE (DIAGNOSTICS)
*1: Check ignition coil & ignitor assembly and spark plug.
*2: Indicate the symptom occurring only in cold temperatures.
*3: Make sure the secure installation.
*4: Check the fuel injector and fuel pressure regulator.
*5: Inspect air leak in air intake system.
6. Surging
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor (*2)
4) Crankshaft position sensor (*3)
5) Camshaft position sensor (*3)
6) Fuel injection parts (*4)
7) Electronic throttle control
8) Fuel pump and fuel pump relay
7. Spark knock
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor
4) Knock sensor
5) Fuel injection parts (*4)
6) Fuel pump and fuel pump relay
8. After burning in exhaust system
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor (*2)
4) Fuel injection parts (*4)
5) Fuel pump and fuel pump relay
Symptom Problem parts
Page 1565 of 2453

FU(H6DO)-4
General Description
FUEL INJECTION (FUEL SYSTEMS)
2. FUEL INJECTOR
(1) Intake manifold (8) HoseTightening torque: N·m (kgf-m, ft-lb)
(2) O-ring (9) NippleT1: 1.5 (0.15, 1.1)
(3) Manifold absolute pressure sensor (10) PlugT2: 6.4 (0.65, 4.7)
(4) Filter (11) Fuel pipe protector LHT3: 17 (1.7, 12.5)
(5) Fuel pipe protector RH (12) Fuel pipe ASSYT4: 19 (1.9, 14)
(6) Purge control solenoid valve (13) HoseT5: 25 (2.5, 18)
(7) Hose (14) Clamp
(1) Fuel injector pipe LH (4) Injection rubberTightening torque: N·m (kgf-m, ft-lb)
(2) Insulator (5) O-ringT: 19 (1.9, 14)
(3) Fuel injector (6) Fuel injector pipe RH
FU-02561
(6)
T
T
(5)
(4)
(3)
(2)
(2)(3)(4)(5)
(1)
Page 1576 of 2453

FU(H6DO)-15
Intake Manifold
FUEL INJECTION (FUEL SYSTEMS)
11) Connect the engine coolant hoses to throttle
body.
12) Connect the connector to throttle body.
13) Install the generator.
14) Install the air cleaner case and air intake cham-
ber.
15) Install the fuse of fuel pump to main fuse box.
16) Connect the ground cable to the battery.
17) Install the collector cover.
C: DISASSEMBLY
1) Remove the engine harness from intake mani-
fold.
2) Remove the throttle body.
3) Remove the manifold absolute pressure sensor.
4) Remove the purge control solenoid valve.
noid Valve.>
5) Loosen the clamp which holds fuel injector pipe
to fuel hose, and then disconnect the pipe from fuel
hose.
6) Remove the bolts which install fuel pipes on in-
take manifold.
FU-02114
FU-02487FU-02124
FU-02125
FU-02126