2009 SUBARU TRIBECA check engine

EN(H6DO)(diag)-383
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK SENSOR OUTPUT.
1) Turn the ignition switch to ON.
2) Read the data of main throttle sensor signal
using Subaru Select Monitor.
NOTE:•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage more than 0.4 V? Go to step 2.Go to step 4.
2CHECK SENSOR OUTPUT.
Read the data of sub throttle sensor signal
using Subaru Select Monitor.
NOTE:•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage more than 0.8 V? Go to step 3.Go to step 4.
3CHECK POOR CONTACT.
Check poor contact in connector between
ECM and electronic throttle control.
Is there poor contact? Repair the poor
contact.
Go to step 14.
4CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Disconnect the connectors from electronic
throttle control.
4) Measure the resistance between ECM con-
nector and electronic throttle control connector.
Connector & terminal
(B134) No. 18 — (E57) No. 6:
(B134) No. 28 — (E57) No. 4:
(B134) No. 19 — (E57) No. 5:
Is the resistance less than 1
Ω?
Go to step 5.Repair the open
circuit of harness
connector.
5CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
Measure the resistance between ECM connec-
tor and chassis ground.
Connector & terminal
(B134) No. 18 — Chassis ground:
(B134) No. 28 — Chassis ground:
(B134) No. 19 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 6.Repair the ground
short circuit of har-
ness.
6CHECK SENSOR POWER SUPPLY.
1) Connect the ECM connector.
2) Turn the ignition switch to ON.
3) Measure the voltage between electronic
throttle control connector and engine ground.
Connector & terminal
(E57) No. 5 (+) — Engine ground (–):
Is the voltage 4.5 — 5.5 V? Go to step 7.Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
7CHECK SHORT CIRCUIT IN ECM.
1) Turn the ignition switch to OFF.
2) Measure the resistance between electronic
throttle control connector and engine ground.
Connector & terminal
(E57) No. 6 — Engine ground:
(E57) No. 4 — Engine ground:
Is the resistance more than
10Ω?
Go to step 8.Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>

EN(H6DO)(diag)-384
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
8CHECK SENSOR OUTPUT.
1) Connect all the connectors.
2) Turn the ignition switch to ON.
3) Read the data of main throttle sensor signal
using Subaru Select Monitor.
NOTE:
•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage less than 4.63
V?
Go to step 9.Go to step 11.
9CHECK SENSOR OUTPUT.
Read the data of sub throttle sensor signal
using Subaru Select Monitor.
NOTE:•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage less than 4.73
V?
Go to step 10.Go to step 11.
10 CHECK POOR CONTACT.
Check poor contact in connector between
ECM and electronic throttle control.
Is there poor contact? Repair the poor
contact.
Te m p o r a r y p o o r
contact occurred,
but it is normal at
present.
11 CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Disconnect the connectors from electronic
throttle control.
4) Measure the resistance between ECM con-
nector and electronic throttle control connector.
Connector & terminal
(B134) No. 29 — (E57) No. 3:
(B134) No. 18 — (E57) No. 6:
(B134) No. 28 — (E57) No. 4:
Is the resistance less than 1
Ω?
Go to step 12.Repair the open
circuit of harness
connector.
12 CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
1) Connect the ECM connector.
2) Measure the resistance between electronic
throttle control connector and engine ground.
Connector & terminal
(E57) No. 3 — Engine ground:
Is the resistance less than 5
Ω?
Go to step 13.Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
13 CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
1) Connect the ECM connector.
2) Turn the ignition switch to ON.
3) Measure the voltage between electronic
throttle control connector and engine ground.
Connector & terminal
(E57) No. 5 (+) — Engine ground (–):
Is the voltage less than 10 V? Go to step 14.Repair the battery
short circuit of har-
ness between
ECM connector
and electronic
throttle control
connector.
14 CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
Measure the voltage between electronic throt-
tle control connector and engine ground.
Connector & terminal
(E57) No. 6 (+) — Engine ground (–):
(E57) No. 4 (+) — Engine ground (–):
Is the voltage less than 10 V? Go to step 15.Repair the short
circuit of harness
between ECM
connector and
electronic throttle
control connector.
Step Check Yes No

EN(H6DO)(diag)-385
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
15 CHECK HARNESS BETWEEN ECM AND
ELECTRONIC THROTTLE CONTROL.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ECM.
3) Measure the resistance between ECM con-
nectors.
Connector & terminal
(B134) No. 18 — (B134) No. 19:
(B134) No. 28 — (B134) No. 19:
Is the resistance more than 1
MΩ?
Go to step 16.Repair the short
circuit to sensor
power supply.
16 CHECK ELECTRONIC THROTTLE CON-
TROL HARNESS.
1) Disconnect the connectors from ECM.
2) Disconnect the connectors from electronic
throttle control.
3) Measure the resistance between electronic
throttle control connector terminals.
Connector & terminal
(E57) No. 6 — (E57) No. 4:
Is the resistance more than 1
MΩ?
Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
Repair the short
circuit of harness.
Step Check Yes No

EN(H6DO)(diag)-387
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK ACCELERATOR PEDAL POSITION
SENSOR OUTPUT.
1) Turn the ignition switch to ON.
2) Read the data of main accelerator pedal
position sensor signal and sub accelerator
pedal position sensor signal using Subaru
Select Monitor.
NOTE:•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage more than 0.4 V? Go to step 2.Go to step 3.
2CHECK POOR CONTACT.
Check poor contact of connector between
ECM and accelerator pedal position sensor.
Is there poor contact? Repair the poor
contact.
Go to step 12.
3CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Disconnect the connectors from accelerator
pedal position sensor.
4) Measure the resistance between ECM con-
nector and accelerator pedal position sensor
connector.
Connector & terminal
(B135) No. 23 — (B315) No. 6:
(B135) No. 21 — (B315) No. 4:
(B135) No. 31 — (B315) No. 3:
(B135) No. 22 — (B315) No. 1:
Is the resistance less than 1
Ω?
Go to step 4.Repair the open
circuit of harness
connector.
4CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
Measure the resistance between ECM connec-
tor and chassis ground.
Connector & terminal
(B135) No. 23 — Chassis ground:
(B135) No. 21 — Chassis ground:
(B135) No. 31 — Chassis ground:
(B135) No. 22 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 5.Repair the ground
short circuit of har-
ness.
5CHECK POWER SUPPLY OF ACCELERA-
TOR PEDAL POSITION SENSOR.
1) Connect the ECM connector.
2) Turn the ignition switch to ON.
3) Measure the voltage between accelerator
pedal position sensor connector and engine
ground.
Connector & terminal
(B315) No. 4 (+) — Engine ground (–):
(B315) No. 1 (+) — Engine ground (–):
Is the voltage 4.5 — 5.5 V? Go to step 6.Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
6CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor.
Te r m i n a l s
No. 4 — No. 5:
Is the resistance between 1.2
and 4.8 kΩ?
Go to step 7.Replace the accel-
erator pedal posi-
tion sensor.

EN(H6DO)(diag)-388
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
7CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor.
Te r m i n a l s
No. 1 — No. 2:
Is the resistance between 0.75
and 3.15 kΩ?
Go to step 8.Replace the accel-
erator pedal posi-
tion sensor.
8CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor without depressing the accel-
erator pedal.
Te r m i n a l s
No. 6 — No. 5:
Is the resistance between 0.2
and 0.8 kΩ?
Go to step 9.Replace the accel-
erator pedal posi-
tion sensor.
9CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor without depressing the accel-
erator pedal.
Te r m i n a l s
No. 3 — No. 2:
Is the resistance between 0.15
and 0.63 kΩ?
Go to step 10.Replace the accel-
erator pedal posi-
tion sensor.
10 CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor with depressing the accelera-
tor pedal.
Te r m i n a l s
No. 6 — No. 5:
Is the resistance between 0.5
and 2.5 kΩ?
Go to step 11.Replace the accel-
erator pedal posi-
tion sensor.
11 CHECK ACCELERATOR PEDAL POSITION
SENSOR.
Measure the resistance of accelerator pedal
position sensor with depressing the accelera-
tor pedal.
Te r m i n a l s
No. 3 — No. 2:
Is the resistance between 0.28
and 1.68 kΩ?
Go to step 12.Replace the accel-
erator pedal posi-
tion sensor.
12 CHECK ACCELERATOR PEDAL POSITION
SENSOR OUTPUT.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Turn the ignition switch to ON.
4) Read the data of main accelerator pedal
position sensor signal and the sub accelerator
pedal position sensor signal using the Subaru
Select Monitor.
NOTE:
•Subaru Select Monitor
For detailed operation procedures, refer to
“READ CURRENT DATA FOR ENGINE”. to EN(H6DO)(diag)-26, Subaru Select Moni-
tor.>
Is the voltage less than 4.8 V? Go to step 13.Go to step 14.
13 CHECK POOR CONTACT.
Check poor contact of connector between
ECM and accelerator pedal position sensor.
Is there poor contact? Repair the poor
contact.
Go to step 18.
Step Check Yes No

EN(H6DO)(diag)-389
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
14 CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Disconnect the connectors from accelerator
pedal position sensor.
4) Measure the resistance between ECM con-
nector and accelerator pedal position sensor
connector.
Connector & terminal
(B135) No. 29 — (B315) No. 5:
(B135) No. 30 — (B315) No. 2:
Is the resistance less than 1
Ω?
Go to step 15.Repair the open
circuit of harness
connector.
15 CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Connect the ECM connector.
2) Measure the resistance between accelera-
tor pedal position sensor connector and engine
ground.
Connector & terminal
(B315) No. 5 — Engine ground:
(B315) No. 2 — Engine ground:
Is the resistance less than 5
Ω?
Go to step 16.Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
16 CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Connect the ECM connector.
2) Turn the ignition switch to ON.
3) Measure the voltage between accelerator
pedal position sensor connector and engine
ground.
Connector & terminal
(B315) No. 6 (+) — Engine ground (–):
(B315) No. 3 (+) — Engine ground (–):
Is the voltage less than 6 V? Go to step 17.Repair the battery
short circuit of har-
ness between
ECM connector
and accelerator
pedal position sen-
sor connector.
17 CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance between ECM con-
nectors.
Connector & terminal
(B135) No. 23 — (B135) No. 21:
(B135) No. 23 — (B135) No. 22:
(B135) No. 31 — (B135) No. 21:
(B135) No. 31 — (B135) No. 22:
Is the resistance more than 1
MΩ?
Go to step 18.Repair the short
circuit to sensor
power supply.
18 CHECK HARNESS BETWEEN ECM AND AC-
CELERATOR PEDAL POSITION SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Disconnect the connectors from accelerator
pedal position sensor.
4) Measure the resistance between connector
terminals of accelerator pedal position sensor.
Connector & terminal
(B315) No. 6 — (B315) No. 3:
Is the resistance more than 1
MΩ?
Repair poor con-
tact in ECM con-
nector. Replace
the ECM if defec-
tive. FU(H6DO)-32,
Engine Control
Module (ECM).>
Repair the short
circuit of harness
between ECM
connector and
accelerator pedal
position sensor
connector.
Step Check Yes No

EN(H6DO)(diag)-390
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
EE:DTC P2227 BAROMETRIC PRESSURE CIRCUIT RANGE/PERFORMANCE
DTC DETECTING CONDITION:
•Detected when two consecutive driving cycles with fault occur.
•GENERAL DESCRIPTION RANGE/ PERFORMANCE, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.
EF:DTC P2228 BAROMETRIC PRESSURE CIRCUIT LOW INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION LOW INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
NOTE:
The barometric
pressure sensor is
built into the ECM.
It is not necessary
to inspect DTC
P0129.
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is DTC P1110 displayed on the
Subaru Select Monitor or gen-
eral scan tool?
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
NOTE:The barometric
pressure sensor is
built into the ECM.
Te m p o r a r y p o o r
contact occurs.

EN(H6DO)(diag)-391
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
EG:DTC P2229 BAROMETRIC PRESSURE CIRCUIT HIGH INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is DTC P1111 displayed on the
Subaru Select Monitor or gen-
eral scan tool?
Replace the ECM.
FU(H6DO)-32,
Engine Control
Module (ECM).>
NOTE:
The barometric
pressure sensor is
built into the ECM.
Te m p o r a r y p o o r
contact occurs.