sensor SUBARU FORESTER 2004 Service Repair Manual

4AT(H4DOTC)-126
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
15.Symptom Related Diagnostic
A: INSPECTION
Symptom Problem parts
Starter does not rotate when select lever is in “P” or “N” range,
starter rotates when select lever is in “R”, “D”, “3” or “2” range. Inhibitor switch
 Select cable
 Select lever
 Starter motor and harness
Abnormal noise when select lever is in “P” or “N” range. Strainer
 Transfer duty solenoid
 Oil pump
Drive plate
 ATF level too high or too low
Hissing noise occurs during standing start. Strainer
 ATF level too high or too low
Noise occurs while driving in “D1”.  Final gear
 Planetary gear
 Reduction gear
 Differential gear oil level too high or too low Noise occurs while driving in “D2”.
Noise occurs while driving in “D3”. Final gear
 Low & reverse brake
 Reduction gear
 Differential gear oil level too high or too low
Noise occurs while driving in “D4”. Final gear
 Low & reverse brake
 Planetary gear
 Reduction gear
 Differential gear oil level too high or too low
Engine stalls while shifting from “1” range to another. Control valve
 Lock-up damper
 Engine performance
 Input shaft
Vehicle moves when select lever is in “N” range. Select cable
 Inhibitor switch
TCM
 Low clutch
Shock occurs when select lever is shifted from “N” to “D” range. Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
 Low clutch duty solenoid
 Low clutch
TCM
Harness
 Control valve
 ATF deterioration
Excessive time lag occurs when select lever is shifted from “N”
to “D” range. Control valve
 Low clutch
 Line pressure duty solenoid
 Seal ring
 Front gasket of transmission case
Shock occurs when select lever is shifted from “N” to “R” range. Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
TCM
Harness
 Control valve
 ATF deterioration

4AT(H4DOTC)-128
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
No shift occurs from 1st to 2nd gear.TCM
 Rear vehicle speed sensor
 Front vehicle speed sensor
 Throttle position sensor
 Control valve
2-4 brake
No shift occurs from 2nd to 3rd gear.TCM
 Control valve
High clutch
No shift occurs from 3rd to 4th gear.TCM
 ATF temperature sensor
 Control valve
2-4 brake
Engine brake is not effected when select lever is in “3” range. Inhibitor switch
TCM
 Throttle position sensor
 Control valve
Engine brake is not effected when select lever is in “3” or “2”
range.Control valve
Engine brake is not effected when select lever is in “1” range. Control valve
 Low & reverse brake
Shift characteristics are erroneous. Inhibitor switch
TCM
 Front vehicle speed sensor
 Rear vehicle speed sensor
 Throttle position sensor
 Control valve
 Ground earth
No lock-up occurs.TCM
 Torque converter turbine speed sensor
 Throttle position sensor
 ATF temperature sensor
 Control valve
 Lock-up facing
 Engine speed signal
Parking brake is not effected.  Select cable
 Select lever
 Parking mechanism Shift lever cannot be moved or is hard to move from “P” range.
ATF spurts out. ATF level too high
Differential oil spurts out. Differential gear oil too high
Differential oil level changes excessively. Seal pipe
 Double oil seal
Odor is produced from ATF supply pipe.High clutch
2-4 brake
 Low & reverse clutch
 Reverse clutch
 Lock-up facing
 ATF deterioration
Shock occurs from 1st to 2nd gear.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
2-4 brake
 ATF deterioration
 Engine performance
 Low & reverse duty solenoid Symptom Problem parts

4AT(H4DOTC)-129
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Slippage occurs from 1st to 2nd gear.TCM
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
2-4 brake
Shock occurs from 2nd to 3rd gear.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Low & reverse duty solenoid
 Control valve
High clutch
2-4 brake
 ATF deterioration
 Engine performance
 High clutch duty solenoid
Slippage occurs from 2nd to 3rd gear.TCM
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
High clutch
2-4 brake
 Low & reverse duty solenoid
Shock occurs from 3rd to 4th gear.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
 Low clutch duty solenoid
2-4 brake
 ATF deterioration
 Engine performance
Slippage occurs from 3rd to 4th gear.TCM
 Accelerator pedal position sensor
 2-4 brake duty solenoid
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
2-4 brake
Shock occurs when select lever is shifted from “3” to “2” range.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
 2-4 brake duty solenoid
2-4 brake
 ATF deterioration
 High clutch duty solenoid Symptom Problem parts

4AT(H4DOTC)-130
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Symptom Related Diagnostic
Shock occurs when select lever is shifted from “D” to “1” range.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
 ATF deterioration
 Low & reverse brake duty solenoid
 Low & reverse clutch solenoid
Shock occurs when select lever is shifted from “2” to “1” range.TCM
 Torque converter turbine speed sensor
 Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
 Low & reverse clutch
 ATF deterioration
 2-4 brake duty solenoid
 Low & reverse brake duty solenoid
Shock occurs when accelerator pedal is released at medium
speeds.TCM
 Accelerator pedal position sensor
 ATF temperature sensor
 Line pressure linear solenoid
 Control valve
 Lock-up damper
 Engine performance
Vibration occurs during straight-forward operation.TCM
 Lock-up duty solenoid
 Lock-up facing
 Lock-up damper
HOLD switch
Vibration occurs during turns (tight corner “braking” phenome-
non).TCM
 Front vehicle speed sensor
 Rear vehicle speed sensor
 Accelerator pedal position sensor
 ATF temperature sensor
 Transfer clutch
Transfer valve
 Transfer duty solenoid
 ATF deterioration
Harness
HOLD switch
Front wheel slippage occurs during standing starts.TCM
 Front vehicle speed sensor
 Accelerator pedal position sensor
 ATF temperature sensor
 Control valve
 Transfer clutch
Transfer valve
 Transfer pipe
 Transfer duty solenoid
Vehicle is not set in FWD mode.TCM
 Transfer clutch
Transfer valve
 Transfer duty solenoid
Select lever is hard to move. Select cable
 Select lever
 Detente spring
 Manual plate Symptom Problem parts

MANUAL TRANSMISSION AND
DIFFERENTIAL
5MT
Page
1. General Description ....................................................................................2
2. Transmission Gear Oil ..............................................................................31
3. Manual Transmission Assembly ...............................................................32
4. Transmission Mounting System ................................................................39
5. Oil Seal......................................................................................................41
6. Differential Side Retainer Oil Seal.............................................................42
7. Switches and Harness ..............................................................................43
8. Vehicle Speed Sensor...............................................................................46
9. Preparation for Overhaul ...........................................................................47
10. Oil Pump ...................................................................................................48
11. Transfer Case and Extension Case Assembly..........................................50
12. Transfer Drive Gear ..................................................................................54
13. Transfer Driven Gear ................................................................................56
14. Center Differential .....................................................................................58
15. Reverse Check Sleeve..............................................................................59
16. Transmission Case ...................................................................................62
17. Main Shaft Assembly For Single-Range ...................................................69
18. Main Shaft Assembly For Dual-Range ......................................................77
19. Input Shaft Assembly ................................................................................83
20. Drive Pinion Shaft Assembly .....................................................................87
21. Front Differential Assembly .......................................................................96
22. Speedometer Gear..................................................................................103
23. Reverse Idler Gear ..................................................................................104
24. Shifter Fork and Rod ...............................................................................106
25. Counter Gear ..........................................................................................109
26. General Diagnostic..................................................................................111

5MT-32
MANUAL TRANSMISSION AND DIFFERENTIAL
Manual Transmission Assembly
3. Manual Transmission As-
sembly
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Drain the transmission gear oil completely. <Ref.
to 5MT-31, REPLACEMENT, Transmission Gear
Oil.>
4) Open the front hood fully, and support with stay.
5) Remove the air intake duct and air cleaner case.
(Non-turbo model) <Ref. to IN(H4SO)-7, REMOV-
AL, Air Intake Duct.> <Ref. to IN(H4SO)-6, RE-
MOVAL, Air Cleaner Case.>
6) Remove the air cleaner case stay. (Non-turbo
model)
7) Remove the intercooler. (Turbo model) <Ref. to
IN(H4DOTC)-10, REMOVAL, Intercooler.>
8) Disconnect the following connectors and trans-
mission cable.
(1) Neutral position switch connector
(2) Back-up light switch connector
(3) High-low switch connector (Dual-range
model)
 Non-turbo model Turbo model
(4) Vehicle speed sensor
9) Remove the snap pin and pin from drive select
cable.
10) Remove the drive select cable on transmission.
(Dual-range model)
11) Remove the starter. <Ref. to SC(H4SO)-6, RE-
MOVAL, Starter.>
ME-00062
MT-00063
(A) Snap pin
(B) Clevis pin
(C) Drive select cable
MT-00064
MT-00065
MT-00066
(A)
(B)
(C)

5MT-38
MANUAL TRANSMISSION AND DIFFERENTIAL
Manual Transmission Assembly
24) Push clutch release lever to fit bearing into
clutch cover.
25) Install the operating cylinder.
Tightening torque:
37 N·m (3.8 kgf-m, 27.5 ft-lb)
 Non-turbo model
 Turbo model26) Install the drive select cable on transmission.
(Dual-range model)
27) Connect the following connectors:
(1) Transmission ground cable
Tightening torque:
13 N·m (1.3 kgf-m, 9.4 ft-lb)
(2) Vehicle speed sensor connector
(3) Neutral position switch connector
(4) Back-up light switch connector
(5) High-low switch connector (Dual-range
model)
28) Install the air cleaner case stay.
29) Install the air cleaner case and duct. <Ref. to
IN(H4SO)-6, INSTALLATION, Air Cleaner Case.>
<Ref. to IN(H4SO)-7, INSTALLATION, Air Intake
Duct.>
30) Install the intercooler.(TURBO MODEL) <Ref.
to IN(H4DOTC)-11, INSTALLATION, Intercooler.>
31) Fill gear oil into the gauge hole.
<Ref. to 5MT-31, REPLACEMENT, Transmission
Gear Oil.>
32) Connect the battery ground cable to battery.
33) Take off the vehicle from lift arms.
MT-00377
MT-00067
MT-00068
(A) Snap pin
(B) Clevis pin
(C) Drive select cable
MT-00066
(A)
(B)
(C)

5MT-46
MANUAL TRANSMISSION AND DIFFERENTIAL
Vehicle Speed Sensor
8. Vehicle Speed Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Lift-up the vehicle.
3) Remove the front, center and rear exhaust pipe
and muffler.
4) Disconnect the connector from vehicle speed
sensor.
5) Turn and remove the vehicle speed sensor.
B: INSTALLATION
NOTE:
 Discard the vehicle speed sensor and after re-
moval, replace with a new one.
 Ensure the sensor mounting hole is clean and
free of foreign matter.
 Align the tip end of key with key groove on end of
speedometer shaft during installation.
1) Hand tighten the vehicle speed sensor.
2) Tighten the vehicle speed sensor using suitable
tool.
Tightening torque:
5.9 N·m (0.6 kgf-m, 4.3 ft-lb)
3) Connect the connector to vehicle speed sensor.
4) Install the front and center exhaust pipe.
5) Lower the vehicle.
6) Connect the battery ground cable to battery.
C: INSPECTION
Inspect the vehicle speed sensor.
<Ref. to EN(H4SO)-184, DTC P0502 VEHICLE
SPEED SENSOR CIRCUIT LOW INPUT, Diagnos-
tic Procedure with Diagnostic Trouble Code
(DTC).> <Ref. to EN(H4SO)-185, DTC P0503 VE-
HICLE SPEED SENSOR CIRCUIT HIGH INPUT,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
MT-00113

5MT-103
MANUAL TRANSMISSION AND DIFFERENTIAL
Speedometer Gear
22.Speedometer Gear
A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. <Ref. to 5MT-32, REMOVAL, Manual
Transmission Assembly.>
2) Remove the back-up light switch and neutral po-
sition switch. <Ref. to 5MT-43, REMOVAL, Switch-
es and Harness.>
3) Remove the transfer case with extension case
assembly. <Ref. to 5MT-50, REMOVAL, Transfer
Case and Extension Case Assembly.>
4) Remove the transmission case. <Ref. to 5MT-
62, REMOVAL, Transmission Case.>
5) Remove the vehicle speed sensor. <Ref. to
5MT-46, REMOVAL, Vehicle Speed Sensor.>
6) Remove the outer snap ring and pull out speed-
ometer driven gear. Next, remove the oil seal,
speedometer shaft and washer.
B: INSTALLATION
1) Install the washer and speedometer shaft, and
press fit the new oil seal with ST.
ST 899824100 or 499827000PRESS
2) Install the vehicle speed sensor. <Ref. to 5MT-
46, INSTALLATION, Vehicle Speed Sensor.>
3) Install the speedometer driven gear and new
snap ring.
4) Install the transmission case. <Ref. to 5MT-64,
INSTALLATION, Transmission Case.>
5) Install the transfer case with extension case as-
sembly. <Ref. to 5MT-50, INSTALLATION, Trans-
fer Case and Extension Case Assembly.>
6) Install the back-up light switch and neutral posi-
tion switch. <Ref. to 5MT-44, INSTALLATION,
Switches and Harness.>
7) Install the manual transmission assembly to ve-
hicle. <Ref. to 5MT-36, INSTALLATION, Manual
Transmission Assembly.>
C: INSPECTION
Check the speedometer gear, oil seal and speed-
ometer shaft for damage. Replace if damaged.
(A) Outer snap ring
(B) Speedometer driven gear
MT-00301
(A)(B)
(A) Outer snap ring
(B) Speedometer driven gear
MT-00301
(A)(B)