2004 SUBARU FORESTER steering

CO(H4SO)-37
COOLING
Radiator Main Fan and Fan Motor
15) Disconnect the radiator inlet hose.
16) Disconnect the power steering hose from radi-
ator clip.
17) Remove the radiator main fan motor assembly
from vehicle.
B: INSTALLATION
1. NON-TURBO MODEL
1) install the radiator main fan motor assembly to
radiator.
2) Connect the power steering hose to radiator.3) Connect the radiator inlet hose.
4) Install the radiator main fan motor assembly
mounting bolts.
Tightening torque:
4.9 N
⋅m (0.50 kgf-m, 3.6 ft-lb)
5) Install the reservoir tank.
Tightening torque:
4.9 N
⋅m (0.50 kgf-m, 3.6 ft-lb)
6) Install the over-flow hose.
7) Lift-up the vehicle.
8) Install the ATF hose to two clips of radiator main
fan motor assembly. (AT model)
CO-00072
CO-00037
CO-00065
CO-00037
CO-00035
CO-00064
CO-00015

CO(H4SO)-38
COOLING
Radiator Main Fan and Fan Motor
9) Connect the main fan motor (A) and sub fan mo-
tor (B).
10) Install the under cover.
11) Lower the vehicle.
12) Connect the battery ground cable to battery.
13) Fill the engine coolant. FILLING OF ENGINE COOLANT, REPLACE-
MENT, Engine Coolant.>
2. TURBO MODEL
1) Install the radiator main fan motor assembly.
2) Lift-up the vehicle.
3) Pull the radiator lower hose upward to space ra-
diator from radiator under cover. Install the ATF
hose to radiator main fan motor assembly two clips.
(AT model)
NOTE:
Fit securely the pins on lower side of radiator into
body side.4) Tighten the radiator under cover securing bolt.
(AT model)
5) Connect the radiator main fan motor connector
(A) and sub fan motor connector (B).
6) Install the under cover.
7) Lower the vehicle.
8) Connect the power steering hose to radiator clip.
9) Connect the radiator inlet hose to radiator.
CO-00013
(A)(B)
FU-00009
CO-00143
CO-00070
CO-00013
(A)(B)
CO-00037
CO-00072

EN(H4SO)-6
ENGINE (DIAGNOSTIC)
General Description
3. General Description
A: CAUTION
1) Airbag system wiring harness is routed near the
ECM, main relay and fuel pump relay.
CAUTION:
 All air bag system wiring harnesses and con-
nectors are yellow. Do not use the electrical
test equipment on these circuits.
 Be careful not to damage the Airbag system
wiring harness when servicing the ECM, TCM,
main relay and fuel pump relay.
2) Never connect the battery in reverse polarity.
 The ECM will be destroyed immediately.
 The fuel injector and other part will be damaged.
3) Do not disconnect the battery terminals while the
engine is running.
A large counter electromotive force will be generat-
ed in the generator, and this voltage may damage
electronic parts such as ECM, etc.
4) Before disconnecting the connectors of each
sensor and the ECM, be sure to turn the ignition
switch to OFF.
5) Poor contact has been identified as a primary
cause of this problem. Measure the voltage or re-
sistance of individual sensor or all electrical control
modules using a tapered pin with a diameter of less
than 0.64 mm (0.025 in). Do not insert the pin more
than 5 mm (0.20 in) into the part.
6) Remove the ECM from the located position after
disconnecting two cables on battery.
Otherwise, the ECM may be damaged.
CAUTION:
When replacing the ECM, be careful not to use
the wrong spec. ECM to avoid any damage on
the fuel injection system.
7) Connectors to each sensor in the engine com-
partment and the harness connectors on the en-
gine side and body side are all designed to be
waterproof. However, it is still necessary to take
care not to allow water to get into the connectors
when washing the vehicle, or when servicing the
vehicle on a rainy day.8) Use ECM mounting stud bolts as the grounding
point to body when measuring voltage and resis-
tance inside the passenger compartment.
9) Use engine ground terminal or engine proper as
the grounding point to body when measuring volt-
age and resistance in the engine compartment.
10) Use TCM mounting stud bolts as the grounding
point to body when measuring voltage and resis-
tance inside the passenger compartment.
11) Every MFI-related part is a precision part. Do
not drop them.
12) Observe the following cautions when installing
a radio in MFI equipped models.
CAUTION:
 The antenna must be kept as far apart as pos-
sible from the control unit. (The ECM is located
under the steering column, inside of the instru-
ment panel lower trim panel.)
(A) Stud bolt
(A) Stud bolt
EN-00001
(A)
EN-00153
EN-00154(A)

EN(H4SO)-30
ENGINE (DIAGNOSTIC)
Subaru Select Monitor
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 was 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» display 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
Battery voltage Battery Voltage V
Vehicle speed signal Meter vehicle speed km/h or MPH
Engine speed signal Engine speed rpm
Engine coolant temperature signal Engine coolant temperature°C or (°F)
Ignition timing signal Ignition timing deg
Throttle position signal Amount of intake air %
Throttle position signal Throttle Sensor Voltage V
Injection pulse width Fuel injection pulse width ms
Idle air control signal ISC Steps STEP
Engine load data Engine load %
Front oxygen (A/F) sensor resistance A/F sensor resistance value 1 ohm
Front oxygen (A/F) sensor output signal A/F sensor current value 1 —
Rear oxygen sensor output signalRear oxygen sensor voltage
valueV
Short term fuel trim A/F Compensation 1 %
Knock sensor signal Knock Correction deg
Atmospheric absolute pressure signal Atmospheric pressure mmHg, kPa, inHg or psi
Intake manifold relative pressure signal Mani. Relative Pressure mmHg, kPa, inHg or psi
Intake manifold absolute pressure signalIntake manifold absolute pres-
suremmHg, kPa, inHg or psi
A/F correction (short term fuel trim) by rear oxygen sensor A/F Compensation 3 %
Long term whole fuel trim A/F learning 1 %
Front oxygen (A/F) sensor heater current Front O2 heater current value A
Rear oxygen sensor heater current Rear O2 heater current value A
Canister purge control solenoid valve duty ratio CPC Valve Duty Ratio %
Fuel level signal Fuel level voltage V
Intake air temperature signal Intake air temperature°C or (°F)
Learned ignition timing Ignition learning value deg
EGR signal EGR Steps STEP
Ignition switch signal Ignition SW ON or OFF
Test mode connector signal Test mode signal ON or OFF
Neutral position switch signal Neutral SW ON or OFF
Air conditioning switch signal A/C SW ON or OFF
Air conditioning compressor signal A/C Compressor Signal ON or OFF
Radiator main fan relay signal Radiator fan relay 1 ON or OFF
Fuel pump relay signal Fuel pump relay ON or OFF
Knocking signal Knock signal ON or OFF
Radiator sub fan relay signal Radiator fan relay 2 ON or OFF
Power steering switch signal Power steering SW input signal ON or OFF
Engine torque control signal #1 AT coordinate request signal 1 ON or OFF
Engine torque control signal #2 AT coordinate request signal 2 ON or OFF

FU(H4DOTC)-14
FUEL INJECTION (FUEL SYSTEM)
Intake Manifold
3. Intake Manifold
A: REMOVAL
1) Release the fuel pressure. 54, RELEASING OF FUEL PRESSURE, OPERA-
TION, Fuel.>
2) Open the fuel filler flap lid and remove the fuel
filler cap.
3) Disconnect the ground cable from battery.
4) Lift-up the vehicle.
5) Remove the under cover.
6) Drain the coolant about 3.02 (3.2 US qt, 2.6 Imp
qt).
7) Remove the air cleaner upper cover and air in-
take boot. Cleaner.>
8) Remove the air cleaner element.
9) Remove the intercooler. 10, REMOVAL, Intercooler.>
10) Disconnect the accelerator cable.
11) Remove the coolant filler tank. CO(H4SO)-42, REMOVAL, Coolant Filler Tank.>
12) Remove the power steering pump.(1) Remove the front side V-belt. ME(H4DOTC)-52, REMOVAL, V-belt.>
(2) Disconnect the power steering switch con-
nector.
(3) Remove the bolts which secure the power
steering pipe brackets to intake manifold.
CAUTION:
Do not disconnect the power steering hose.
(4) Remove the bolts which secure the power
steering pump bracket.
(5) Remove the power steering tank from the
bracket by pulling it upward.
FU-00009
FU-00016
FU-00011
FU-00017
FU-00018
FU-00019
FU-00020

FU(H4DOTC)-15
FUEL INJECTION (FUEL SYSTEM)
Intake Manifold
(6) Place the power steering pump on right side
wheel apron.
13) Disconnect the emission hose from PCV valve.
14) Disconnect the engine coolant hoses from
throttle body.
15) Disconnect the brake booster hose.16) Disconnect the pressure hose from intake duct.
17) Disconnect the engine harness connectors
from bulkhead harness connectors.
18) Disconnect the connectors from the engine
coolant temperature sensor (A), oil pressure switch
(B) and crankshaft position sensor (C).
FU-00021
FU-00022
FU-00012
FU-00023
FU-00024
FU-00025
FU-02086
(A)
(B)
(C)
FU-00027

FU(H4DOTC)-19
FUEL INJECTION (FUEL SYSTEM)
Intake Manifold
12) Connect the engine harness connector to bulk-
head harness connectors.
13) Connect the brake booster vacuum hose.
14) Connect the engine coolant hoses to throttle
body.15) Connect the emission hose to PCV valve.
16) Connect the pressure hose to intake duct.
17) Install the power steering pump.
(1) Install the power steering tank on bracket.
(2) Connect the connector to the power steering
pump switch.
FU-00025
FU-02086
FU-00023
FU-00012
FU-00022
FU-00024
FU-00020
FU-00017

FU(H4DOTC)-20
FUEL INJECTION (FUEL SYSTEM)
Intake Manifold
(3) Install the power steering pump, and then
tighten the bolts.
Tightening torque:
22 N
⋅m (2.2 kgf-m, 16.2 ft-lb)
(4) Install the power steering pipe brackets on
right side intake manifold.
(5) Install the front side V-belt. ME(H4DOTC)-52, REMOVAL, V-belt.>
18) Install the coolant filler tank. 42, INSTALLATION, Coolant Filler Tank.>
19) Connect the accelerator cable. SP(H4SO)-9, INSTALLATION, Accelerator Control
Cable.>
20) Install the intercooler. 11, INSTALLATION, Intercooler.>
21) Install the air cleaner element.
22) Install the air cleaner upper cover and air intake
duct as a unit. TION, Air Cleaner.>23) Connect the connector to the fuel pump relay.
24) Connect the battery ground cable to battery.
25) Lift-up the vehicle.
26) Install the under cover.
27) Fill the coolant. ING OF ENGINE COOLANT, REPLACEMENT,
Engine Coolant.>
FU-00019
FU-00018
FU-00011
FU-00262
FU-00009