2009 SUBARU TRIBECA radiator

CO(H6DO)-28
Reservoir Tank
COOLING
3) Install the radiator upper brackets.
Tightening torque:
12 N·m (1.2 kgf-m, 8.9 ft-lb)
4) Install the front upper cover.
5) Install the air intake duct. INSTALLATION, Air Intake Duct.>
6) Lift-up the vehicle.
7) Tighten the bolts on the lower side of the radiator
stay.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
8) Install the under cover.
9) Lower the vehicle.
10) Install the collector cover.
C: INSPECTION
Make sure the engine coolant level is between
“FULL” and “LOW”.
CO-02177
CO-02176
CO-02175

CO(H6DO)-29
Radiator Fan Control Unit
COOLING
11.Radiator Fan Control Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air intake duct. 7, REMOVAL, Air Intake Duct.>
3) Remove the front upper cover.
4) Remove the radiator fan control unit.
(1) Disconnect the connector from radiator fan
control unit.
(2) Remove the screws which hold the radiator
fan control unit.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
2.6 N·m (0.27 kgf-m, 1.9 ft-lb)
(A) Connector
(B) Screw
CO-02176
CO-02204
(A)
(B)

CO(H6DO)-30
Engine Cooling System Trouble in General
COOLING
12.Engine Cooling System Trouble in General
A: INSPECTION
Tr o u b l e P o s s i b l e c a u s e C o r r e c t i v e a c t i o n
Overheating
a. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and
repair it if necessary.
b. De fe c ti ve t he r mo st a t Rep la c e.
c. Malfunction of water pump Replace.
d. Clogged engine coolant passage Clean.
e. Improper ignition timing
Inspect and repair ignition control system. EN(H6DO)(diag)-2, PROCEDURE, Basic Diagnostic
Procedure.>
f. Clogged or leaking radiator Clean, repair or replace.
g. Improper engine oil in engine coolant Replace engine coolant.
h. Air/fuel mixture ratio too lean
Inspect and repair the fuel injection system. EN(H6DO)(diag)-2, PROCEDURE, Basic Diagnostic
Procedure.>
i. Excessive back pressure in exhaust system Clean or replace.
j. Insufficient clearance between piston and cylinder Adjust or replace.
k. Slipping clutch Correct or replace.
l. Dragging brake Adjust.
m. Faulty transmission gear oil Replace.
n. Malfunction of radiator fanInspect the radiator fan relay, engine coolant tempera-
ture sensor or fan motor and replace them.
Over-coolinga. Ambient temperature extremely low Partly cover radiator front area.
b. De fe c ti ve t he r mo st a t Rep la c e.
Engine coolant
leaks
a. Loosened or damaged connecting units on hoses Correct or replace.
b. L ea k ag e f r o m wat e r pu mp Rep la c e.
c. Leakage from water pipe Correct or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crankcase Correct or replace.
f. Damaged or cracked ther mostat case Correct or replace.
g. Leakage from radiator Correct or replace.
Strange noise
a. Defective drive belt Replace.
b. De fe c ti ve ra di a t or fan Rep la c e.
c. Defective water pump bearing Replace water pump.
d. Defective water pump mechanical seal Replace water pump.

EN(H6DO)(diag)-3
Check List for Interview
ENGINE (DIAGNOSTICS)
2. Check List for Interview
A: CHECK
1. CHECK LIST No. 1
Check the following item when problem has occurred.
NOTE:
Use copies of this page for interviewing customers.
Customer’s name Engine No.
Date of sale Fuel brand
Date of repair Odometer readingkm
V. I . N . miles
Weather Fine
Cloudy
Rainy
Snowy
Various/Others:
Ambient air temperature °C (°F)
Hot
Warm
Cool
Cold
Place Highway
Suburbs
Inner city
Uphill
Downhill
Rough road
Others:
Engine temperature Cold
Warming-up
After warming-up
Any temperature
Others:
Engine speed rpm
Ve h i c l e s p e e d k m / h ( M P H )
Driving conditions Not affected
At starting
While idling
At racing
While accelerating
While cruising
While decelerating
While turning (RH/LH)
Headlight ON/ OFFRear defogger ON/ OFF
Blower ON/ OFFAudio ON/ OFF
A/C compressor ON/ OFFCar phone ON/ OFF
Radiator fan ON/ OFF
Fr o nt wi pe r ON/ OFF
Rear wiper ON/ OFF

EN(H6DO)(diag)-15
Electrical Component Location
ENGINE (DIAGNOSTICS)
(1) Inhibitor switch (4) Fuel pump relay (6) Radiator fan relay
(2) Fuel pump (5) Electronic throttle control relay (7) Starter
(3) Main relay
EN-03691(6)
(3)(2)
(7)
(1)(4) (5)
EN-00178EN-03692
(2)
EN-02544
(3)
(4)
(5)
EN-02489
(6)
EN-02490
(7)

EN(H6DO)(diag)-17
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
Starter switch B136 32 0 0 Cranking: 8 — 14
Starter relay B136 20ON: 0
OFF: 10 — 13
ON: 0
OFF: 13 — 14—
A/C switch B136 24ON: 10 — 13
OFF: 0
ON: 13 — 14
OFF: 0—
A/C middle pressure switch B136 33ON: 0
OFF: 10 — 13
ON: 0
OFF: 13 — 14—
Ignition switch B135 19 10 — 13 13 — 14 —
Neutral position switch B136 31ON: 0
OFF: 12±0.5
Switch is ON when
select lever is shifted
into “P” or “N” range.
Te s t m o d e c o n n e c t o r B 1 3 5 2 7 1 0 — 1 3 1 2 — 1 4 W h e n c o n n e c t e d : 0
Knock sensor 1Signal B134 15 2.4 2.4 —
Shield B134 25 0 0 —
Knock sensor 2Signal B134 16 2.4 2.4 —
Shield B134 25 0 0 —
Back-up power supply B135 5 10 — 13 13 — 14Ignition switch
“OFF”: 10 — 13
Control module power supplyB134 7 10 — 13 13 — 14 —
B135 2 10 — 13 13 — 14 —
Sensor power supply (engine
side)B134 19 5 5 —
Sensor ground (engine side) B134 29 0 0 —
Sensor power supply (body side) B135 22 5 5 —
Sensor ground (body side) B135 30 0 0 —
Ignition control
#1 B137 18 0 1 — 14 Waveform
#2 B137 19 0 1 — 14 Waveform
#3 B137 20 0 1 — 14 Waveform
#4 B137 21 0 1 — 14 Waveform
#5 B137 22 0 1 — 14 Waveform
#6 B137 23 0 1 — 14 Waveform
Fuel Injector
#1 B137 8 10 — 13 1 — 14 Waveform
#2 B137 9 10 — 13 1 — 14 Waveform
#3 B137 10 10 — 13 1 — 14 Waveform
#4 B137 11 10 — 13 1 — 14 Waveform
#5 B137 12 10 — 13 1 — 14 Waveform
#6 B137 13 10 — 13 1 — 14 Waveform
A/C relay control B136 9ON: 0.5 or less
OFF: 10 — 13
ON: 0.5 or less
OFF: 13 — 14—
Radiator fan control B136 18ON: 0.5 or less
OFF: 10 — 13
ON: 0.5 or less
OFF: 13 — 14—
Radiator fan control power supply B136 29ON: 0.5 or less
OFF: 10 — 13
ON: 0.5 or less
OFF: 13 — 14—
Self-shutoff control B136 23 0 0 —
Malfunction indicator light B136 11 — —Light: 1 or less
Extinguish: 10 — 14
Engine speed output B136 22 — 0 — 13 or more Waveform
Purge control solenoid valve B137 29ON: 1 or less
OFF: 10 — 13
ON: 1 or less
OFF: 13 — 14—
Pow er s te e r in g sw it c h B 1 3 4 33ON: 1 or less
OFF: 10 — 13
ON: 1 or less
OFF: 13 — 14—
DescriptionConnector
No.
Te r m i n a l
No.
Signal (V)
ReferenceIgnition SW ON
(engine OFF)
Engine ON
(idling)

EN(H6DO)(diag)-27
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
4. READ CURRENT DATA FOR ENGINE (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine} and press the [YES] key.
3) Press the [YES] key after the information of engine type has been displayed.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display/Save}, and then press the
[YES] key.
5) On the «Data Display Menu» screen, select the {Data Display} and press the [YES] key.
6) Using the scroll key, scroll the display screen up or down until the desired data is shown.
•A list of the support data is shown in the following table.
Description Display Unit of measure Note (at idling)
Engine load Engine load % 3.5%
Engine coolant temperature signal Coolant Temp. °C or °F≥ 75°C or 167°F (After
engine is warmed-up.)
A/F compensation 1 A/F Compensation 1 % 3.1%
A/F learning 1 A/F learning 1 % 0.0%
A/F compensation 2 A/F Compensation 2 % 4.7%
A/F learning 2 A/F learning 2 % 0.0%
Intake manifold absolute pressure Mani. Absolute PressuremmHg, kPa,
inHg or psig
200 — 300 mmHg, 26.7 —
40 kPa, 7.8 — 11.8 inHg or
3.8 — 5.8 psig
Engine speed signal Engine speed rpm 600 — 800 rpm
Meter vehicle speed signal Meter vehicle speed km/h or MPH 0 km/h or 0 MPH
Ignition timing signal Ignition timing deg 13 — 15 deg
Intake air temperature signal Intake air temperature °C or °F (Ambient air temperature)
Amount of intake air Mass Air Flow g/s or lb/m 3.8 g/s or 0.5 lb/m
Throttle opening angle signal Throttle valve angle % 1.2 — 1.6%
Fr o nt ox yg e n se n so r vo lt a g e val ue 1Fr o n t oxy ge n s en s or vol t ag e
value 1V0.035 V
Fr o nt ox yg e n se n so r vo lt a g e val ue 2Fr o n t oxy ge n s en s or vol t ag e
value 2V0.020 V
Battery voltage Battery Voltage V 12 — 14 V
Mass air flow voltage Mass air flow voltage V 1.1 — 1.2 V
Injection 1 pulse width Injection 1 pulse width ms 2.82 ms
Injection 2 pulse width Injection 2 pulse width ms 2.82 ms
Knock sensor compensation Knock correction deg 0 deg
Atmospheric pressure signal Atmospheric pressuremmHg, kPa,
inHg or psig(Atmospheric pressure)
Intake manifold relative pressureIntake manifold relative pres-
sure
mmHg, kPa,
inHg or psig
(Intake manifold absolute
pressure — atmospheric
pressure)
Acceleration opening angle signal Acceleration opening angle % 0%
Radiator fan output Radiator fan output % 0%
Purge control solenoid valve duty ratio CPC Duty % 0 — 3%
Generator duty ALT duty % 0%
Fuel pump duty Fuel pump duty % 33%
Va r i a b l e va l v e t i m i n g a d v a n c e a n g l e a m o u n t R V V T a d va n c e a n g l e a m o u n t R d e g 0 d e g
Va r i a b l e va l v e t i m i n g a d v a n c e a n g l e a m o u n t L V V T a d va n c e a n g l e a m o u n t L d e g 0 d e g
Oil flow control solenoid valve duty R OCV duty R % 9.4%
Oil flow control solenoid valve duty L OCV duty L % 9.4%
Oil flow control solenoid valve current R OCV current R mA 64 mA
Oil flow control solenoid valve current L OCV current L mA 64 mA
Fr o nt ox yg e n ( A / F) s en so r cu r r en t va l ue 1 A / F s en s or cu r r e nt va l ue 1 mA 0 . 0 m A
Fr o nt ox yg e n ( A / F) s en so r cu r r en t va l ue 2 A / F s en s or cu r r e nt va l ue 2 mA 0 . 0 m A
Fr o nt ox yg e n ( A / F) s en so r r es is t an ce val ue 1 A / F s en s or r e si st a nc e val u e 1Ω31 Ω

EN(H6DO)(diag)-47
Compulsory Valve Operation Check Mode
ENGINE (DIAGNOSTICS)
13) Pressing the [NO] key completes the compul-
sory valve operation check mode. The display will
then return to the «Actuator ON/OFF Operation»
screen.
•A list of the support data is shown in the following
table.
NOTE:
•The following parts will be displayed but not
functional.
•For detailed operation procedure, refer to the
“SUBARU SELECT MONITOR OPERATION
MANUAL”.
Description Display
Compulsory fuel pump relay oper-
ation checkFuel Pump
Compulsory radiator fan relay
operation checkRadiator Fan Relay
Compulsory air conditioning relay
operation checkA/C Compressor Relay
Compulsory purge control sole-
noid valve operation checkCPC Solenoid
Compulsory drain valve operation
checkVe n t C o n t r o l S o l e n o i d
Display
EGR Solenoid
ASV Solenoid
FICD Solenoid
Pressure Switching Solenoid 1
Pressure Switching Solenoid 2
Wa st e g at e Con t r ol S ol e no i d
AAI Solenoid
Exhaust Bypass Valve Control Permit Flag
PCV Solenoid
Fuel tank sensor control valve