Subaru 2003 Legacy User manual

FUJI HEAVY INDUSTRIES LTD. G2300GE7
2003 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.
HVAC SYSTEM
(HEATER, VENTILATOR AND A/C) AC
HVAC SYSTEM (DIAGNOSTICS) AC
AIRBAG SYSTEM AB
AIRBAG SYSTEM (DIAGNOSTICS) AB
SEAT BELT SYSTEM SB
LIGHTING SYSTEM LI
WIPER AND WASHER SYSTEMS WW
ENTERTAINMENT ET
COMMUNICATION SYSTEM COM
GLASS/WINDOWS/MIRRORS GW
BODY STRUCTURE BS
INSTRUMENTATION/DRIVER INFO IDI
SEATS SE
SECURITY AND LOCKS SL
SUNROOF/T-TOP/CONVERTIBLE TOP
(SUNROOF) SR
EXTERIOR/INTERIOR TRIM EI
EXTERIOR BODY PANELS EB
EXTERIOR/INTERIOR TRIM EI

2003 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
G2300GE7
CRUISE CONTROL SYSTEM CC
CRUISE CONTROL SYSTEM
(DIAGNOSTICS) CC
IMMOBILIZER (DIAGNOSTICS) IM

SECURITY AND LOCKS SL
Page
1. General Description ....................................................................................2
2. Door Lock Control System..........................................................................8
3. Keyless Entry System ...............................................................................11
4. Front Inner Remote...................................................................................19
5. Front Outer Handle ...................................................................................20
6. Front Door Latch Assembly.......................................................................21
7. Front Door Lock Actuator..........................................................................22
8. Rear Inner Remote....................................................................................23
9. Rear Outer Handle....................................................................................24
10. Rear Door Latch Assembly .......................................................................25
11. Rear Door Lock Actuator...........................................................................26
12. Rear Gate Outer Handle...........................................................................27
13. Rear Gate Latch Assembly .......................................................................28
14. Rear Gate Latch Lock Actuator.................................................................29
15. Trunk Lid Lock Assembly..........................................................................30
16. Front Hood Lock Assembly.......................................................................31
17. Remote Openers.......................................................................................32
18. Ignition Key Lock.......................................................................................34
19. Key Lock Cylinders ...................................................................................35
20. Immobilizer Control Module ......................................................................36
21. Immobilizer Antenna .................................................................................37
22. Keyless Entry Control Module...................................................................38
23. Keyless Transmitter ..................................................................................39

SL-2
SECURITY AND LOCKS GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
B: COMPONENT
1. DOOR LOCK ASSEMBLY
(1) Inner remote ASSY (6) Striker Tightening torque: N·m (kgf-m, ft-lb)
(2) Inner remote cover (7) Door outer handle T1: 6.4 (0.65, 4.7)
(3) Bell crank (8) Key cylinder T2: 7.35 (0.75, 5.4)
(4) Auto-door lock actuator T3: 18.0 (1.8, 13.0)
(5) Door latch
SL-00067
FRONT
REAR
( 1 )
( 1 )
( 2 )
( 2 )
( 3 )
( 3 )
( 4 )
( 4 )
( 5 )
( 5 )
( 6 )
( 6 )
( 7 )
( 7 )
( 8 )
T3
T3
T2
T2
T1
T1

SL-3
SECURITY AND LOCKS
GENERAL DESCRIPTION
2. TRUNK LID AND REAR GATE LOCK
(1) Key cylinder (6) Rear gate outer handle Tightening torque: N·m (kgf-m, ft-lb)
(2) Cable (7) Rear gate actuator T1: 7.5 (0.76, 5.5)
(3) Striker (8) Rear gate latch T2: 25 (2.5, 18.1)
(4) Trunk lid lock ASSY T3: 18 (1.8, 13.0)
(5) Trunk lid lock cover
SL-00115
TRUNK REAR GATE
( 1 )
( 1 )
( 2 )
( 2 )
( 3 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
T2
T3
T1
T2

SL-4
SECURITY AND LOCKS GENERAL DESCRIPTION
3. HOOD LOCK AND REMOTE OPENERS
(1) Hood lock ASSY (4) Cover Tightening torque: N·m(kgf-m, ft-lb)
(2) Lever ASSY (5) Pull handle ASSY T1: 6.4 (0.65, 4.7)
(3) Cable (6) Striker T2: 32 (3.3, 23.9)
SL-00116
HOOD
SEDAN
WAGON
( 1 )
( 2 )
( 3 )
( 3 )
( 3 )
( 4 )
( 5 )
( 4 )
( 5 )
( 6 )
T1
T2
T1

SL-5
SECURITY AND LOCKS
GENERAL DESCRIPTION
4. IMMOBILIZER SYSTEM
NOTE:
IMM ECM location for RHD model is symmetrically opposite.
(1) Antenna (3) Immobilizer control module (IMM
ECM)
(2) Immobilizer indicator light (LED
bulb) (4) Transponder
IM-00040
( 1 ) ( 2 )
( 3 )
( 4 )

SL-6
SECURITY AND LOCKS GENERAL DESCRIPTION
5. KEYLESS ENTRY SYSTEM
(1) Keyless entry control module (2) Rear gate latch switch (Wagon) (3) Door switch
SL-00117
( 1 )
( 2 )
( 3 )

SL-7
SECURITY AND LOCKS
GENERAL DESCRIPTION
C: CAUTION
•Before disassembling or reassembling parts,
always disconnect battery ground cable. When
repairing radio, control module, etc. which are
provided with memory functions, record
memory contents before disconnecting battery
ground cable. This is to prevent from memory
loss caused by disconnection of ground cable.
•Reassemble parts in reverse order of
disassembly procedure unless otherwise
indicated.
•Adjust parts to specifications contained in
this manual if so designated.
•Connect connectors and hoses securely
during reassembly.
•After reassembly, ensure all functional parts
operate smoothly.
•Airbag system wiring harness is routed near
the electrical parts and switch.
•All airbag system wiring harness and
connectors are colored yellow. Do not use
electrical test equipment on these circuits.
•Be careful not to damage airbag system
wiring harness when servicing the ignition key
cylinder.
D: PREPARATION TOOL
1. SPECIAL TOOLS
2. GENERAL TOOLS
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
925580000 PULLER Used for removing trim clip.
TOOL NAME REMARKS
Circuit Tester Used for measuring resistance and voltage.
Drill Used for replacing ignition key lock.
ST-925580000

SL-8
SECURITY AND LOCKS DOOR LOCK CONTROL SYSTEM
2. Door Lock Control System
A: SCHEMATIC
<Ref. to WI-240, SCHEMATIC, Keyless Entry System.>
B: INSPECTION
1. SYMPTOM CHART
2. CHECK FUSE
Symptom Repair order Reference
Door lock control system does not
operate. 1. Check the fuse. <Ref. to SL-8, CHECK FUSE, INSPECTION, Door Lock Control System.>
2. Check the power supply and ground
circuit for keyless entry control module. <Ref. to SL-9, CHECK POWER SUPPLY AND GROUND CIRCUIT, INSPECTION, Door Lock
Control System.>
3. Check the door lock switch and the
circuit. <Ref. to SL-9, CHECK DOOR LOCK SWITCH AND CIRCUIT, INSPECTION, Door Lock Con-
trol System.>
4. Check the door lock actuator and the
circuit. <Ref. to SL-10, CHECK DOOR LOCK ACTUA- TOR AND CIRCUIT, INSPECTION, Door Lock
Control System.>
Door lock switch (knob) does not
operate. Check the door lock switch and the cir- cuit. <Ref. to SL-9, CHECK DOOR LOCK SWITCH AND CIRCUIT, INSPECTION, Door Lock Con-
trol System.>
A specific door lock actuator does not
operate. Check the door lock actuator and the circuit. <Ref. to SL-10, CHECK DOOR LOCK ACTUA- TOR AND CIRCUIT, INSPECTION, Door Lock
Control System.>
Step Value Yes No
1 CHECK FUSE.
Remove and visually check fuse No. 2 (in the
main fuse box) and No. 3 (in the fuse and relay
box).
Is the fuse blown?
The fuse is not blown. Check power sup-
ply and ground cir-
cuit. <Ref. to SL-9,
CHECK POWER
SUPPLY AND
GROUND CIR-
CUIT, INSPEC-
TION, Door Lock
Control System.>
Replace the fuse
with a new one.