Subaru Impreza 2004 Service Manual
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Subaru Impreza 2004 Service Manual

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2004 IMPREZA SERVICE MANUAL

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.
FUJI HEAVY INDUSTRIES LTD.
QUICK REFERENCE INDEX
HVAC SYSTEM
(HEATER, VENTILATOR AND A/C)
HVAC SYSTEM (AUTO A/C)
(DIAGNOSTICS)
AIRBAG SYSTEM
AIRBAG SYSTEM (DIAGNOSTICS)
SEAT BELT SYSTEM
LIGHTING SYSTEM
WIPER AND WASHER SYSTEMS
ENTERTAINMENT
COMMUNICATION SYSTEM
GLASS/WINDOWS/MIRRORS
BODY STRUCTURE
INSTRUMENTATION/DRIVER INFO
SEATS
SECURITY AND LOCKS
SUNROOF/T-TOP/CONVERTIBLE TOP
(SUNROOF)
EXTERIOR/INTERIOR TRIM
EXTERIOR BODY PANELS
AC
AC(diag)
AB
AB(diag)
SB
LI
WW
ET
COM
GW
BS
IDI
SE
SL
SR
EI
EB
G1870GE6

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Summary of Contents for Subaru Impreza 2004

  • Page 1: Body Section

    AC(diag) (DIAGNOSTICS) AIRBAG SYSTEM AIRBAG SYSTEM (DIAGNOSTICS) AB(diag) This service manual has been prepared to provide SUBARU service personnel SEAT BELT SYSTEM with the necessary information and data for the correct maintenance and repair of SUBARU vehicles. LIGHTING SYSTEM This manual includes the procedures...
  • Page 2 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX BODY SECTION CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CC(diag) (DIAGNOSTICS) IMMOBILIZER (DIAGNOSTICS) IM(diag) G1870GE6...

  • Page 3: Table Of Contents

    LIGHTING SYSTEM Page General Description ..................2 Headlight and Tail Light System ..............3 Front Fog Light System................4 Rear Fog Light System ................5 Turn Signal and Hazard Light System ............6 Back-up Light System .................7 Stop Light System ..................8 Interior Light System ...................9 Headlight Beam Leveler System...............10 Combination Switch (Light) ...............11 Combination Base Switch Assembly............13...

  • Page 4: General Description

    General Description LIGHTING SYSTEM 1. General Description A: SPECIFICATIONS Headlight 12 V — 55 W/60 W (Halogen) Front turn signal light 12 V — 21 W Side turn signal light 12 V — 5 W Clearance/Parking light 12 V — 5 W Front fog light 12 V —...

  • Page 5: Headlight And Tail Light System

    Headlight and Tail Light System LIGHTING SYSTEM 2. Headlight and Tail Light Sys- B: INSPECTION 1. HEADLIGHT SWITCH A: WIRING DIAGRAM <Ref. to LI-11, INSPECTION, Combination Switch (Light).> 1. HEADLIGHT LHD MODEL 2. HEADLIGHT RELAY <Ref. to WI-213, LHD MODEL, WIRING DIA- Measure the headlight relay resistance between GRAM, Headlight System.>...

  • Page 6: Front Fog Light System

    Front Fog Light System LIGHTING SYSTEM 3. Front Fog Light System 2. FRONT FOG LIGHT RELAY Measure the front fog light relay resistance be- A: WIRING DIAGRAM tween terminals when connecting terminal No. 4 to battery positive terminal and terminal No. 3 to bat- 1.

  • Page 7: Rear Fog Light System

    Rear Fog Light System LIGHTING SYSTEM 4. Rear Fog Light System A: WIRING DIAGRAM 1. REAR FOG LIGHT LHD MODEL <Ref. to WI-240, LHD MODEL, WIRING DIA- GRAM, Rear Fog Light System.> 2. REAR FOG LIGHT RHD MODEL <Ref. to WI-241, RHD MODEL, WIRING DIA- GRAM, Rear Fog Light System.>...

  • Page 8: Turn Signal And Hazard Light System

    Turn Signal and Hazard Light System LIGHTING SYSTEM 5. Turn Signal and Hazard Light 3. TURN SIGNAL AND HAZARD MODULE System Connect the battery and turn signal light bulb to the module, as shown in the figure. The module is A: WIRING DIAGRAM properly functioning if it blinks when power is sup- plied to the circuit.

  • Page 9: Back-Up Light System

    Back-up Light System LIGHTING SYSTEM 6. Back-up Light System 2. INHIBITOR SWITCH (A/T) Measure the inhibitor switch resistance. A: WIRING DIAGRAM 1. BACK-UP LIGHT <Ref. to WI-197, WIRING DIAGRAM, Back-up 4 3 2 1 Light System.> B: INSPECTION 1. BACK-UP LIGHT SWITCH (M/T) Measure the back-up light switch resistance.

  • Page 10: Stop Light System

    Stop Light System LIGHTING SYSTEM 7. Stop Light System A: WIRING DIAGRAM 1. STOP LIGHT <Ref. to WI-219, WIRING DIAGRAM, Stop Light System.> B: INSPECTION 1. STOP LIGHT SWITCH Measure the stop light switch resistance. LI-00064 (A) Without cruise control (B) With cruise control Switch position Terminal No.

  • Page 11: Interior Light System

    Interior Light System LIGHTING SYSTEM 8. Interior Light System A: WIRING DIAGRAM 1. INTERIOR LIGHT LHD MODEL <Ref. to WI-215, LHD MODEL, WIRING DIA- GRAM, In Compartment Light System.> 2. INTERIOR LIGHT RHD MODEL <Ref. to WI-217, RHD MODEL, WIRING DIA- GRAM, In Compartment Light System.>...

  • Page 12: Headlight Beam Leveler System

    Headlight Beam Leveler System LIGHTING SYSTEM 9. Headlight Beam Leveler Sys- A: WIRING DIAGRAM 1. HEADLIGHT BEAM LEVELER <Ref. to WI-182, WIRING DIAGRAM, Headlight Beam Leveler System.> B: INSPECTION 1. HEADLIGHT BEAM LEVELER ACTUA- 1) Turn on the headlights. 2) Confirm the headlight beam level is lowered by changing the switch position to 0 - 1 - 2 - 3.

  • Page 13: Combination Switch (Light)

    Combination Switch (Light) LIGHTING SYSTEM 10.Combination Switch (Light) C: INSPECTION Measure the combination switch resistance. A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the instrument panel lower cover. <Ref. to EI-43, REMOVAL, Instrument Panel Assembly.> 3) Remove the screws which secure the upper col- umn cover to lower column cover.

  • Page 14: Turn Signal Switch

    Combination Switch (Light) LIGHTING SYSTEM 2. DIMMER AND PASSING SWITCH LHD model and RHD for Europe model: Switch position Terminal No. Standard Less than 1 Ω Passing 7, 8 and 16 Less than 1 Ω Low beam 16 and 17 Less than 1 Ω...

  • Page 15: Combination Base Switch Assembly

    Combination Base Switch Assembly LIGHTING SYSTEM 11.Combination Base Switch 2. PARKING SWITCH Assembly Measure the parking switch resistance. A: REMOVAL 1) Remove the driver’s airbag module. <Ref. to AB- 12, REMOVAL, Driver’s Airbag Module.> 2) Remove the steering wheel. <Ref. to PS-23, RE- MOVAL, Steering Wheel.>...

  • Page 16: Headlight Assembly

    Headlight Assembly LIGHTING SYSTEM 12.Headlight Assembly Turn the headlights on and then adjust the low beam pattern to the following positions on the A: REMOVAL screen. 1) Disconnect the ground cable from battery. NOTE: 2) Remove the duct (A) (when right side headlight •...
  • Page 17 Headlight Assembly LIGHTING SYSTEM 3m (10 ft) LI-00054 Vehicle center Bulb center making This illustration is for LHD model. The pattern for RHD model is symmetrically opposite. H mm (in) Sedan Wagon W mm (in) h mm (in) at 3 m (10 ft) GX, RS, WRX GX, WRX OUTBACK...

  • Page 18: Headlight Bulb

    Headlight Bulb LIGHTING SYSTEM 13.Headlight Bulb 5) Remove the light bulb retaining spring (A) to re- move the bulb. A: REMOVAL CAUTION: • Because the halogen bulb operates at a high temperature, dirt and oil on the bulb surface re- duces the bulb’s service life.

  • Page 19: Front Turn Signal Light Bulb

    Front Turn Signal Light Bulb LIGHTING SYSTEM 14.Front Turn Signal Light Bulb A: REMOVAL Turn the socket (A) and remove the bulb. LI-00346 B: INSTALLATION Install in the reverse order of removal. C: INSPECTION 1) Visually check the bulb for blow out. 2) Check the bulb specification.

  • Page 20: Clearance/Parking Light Bulb

    Clearance/Parking Light Bulb LIGHTING SYSTEM 15.Clearance/Parking Light Bulb A: REMOVAL 1) Remove the headlight assembly. <Ref. to LI-14, REMOVAL, Headlight Assembly.> 2) Turn the socket (A) and remove the bulb. LI-00347 B: INSTALLATION Install in the reverse order of removal. C: INSPECTION 1) Visually check the bulb for blow out.

  • Page 21: Front Fog Light Assembly

    Front Fog Light Assembly LIGHTING SYSTEM 16.Front Fog Light Assembly A: REMOVAL 1) Disconnect the ground cable from battery. 2) Disengage the hooks (six places), and then re- move the fog light cover. LI-00202 3) Remove the mounting bolts, and then detach the fog light assembly by disconnecting the harness connector.

  • Page 22: Front Fog Light Bulb

    Front Fog Light Bulb LIGHTING SYSTEM 17.Front Fog Light Bulb A: REMOVAL 1) Remove the front fog light assembly. <Ref. to LI- 19, REMOVAL, Front Fog Light Assembly.> 2) Remove the two screws, and then remove the back cover. LI-00206 3) Remove the spring retainer, and then detach the fog light bulb.

  • Page 23: Rear Combination Light Assembly

    Rear Combination Light Assembly LIGHTING SYSTEM 18.Rear Combination Light As- 3) Remove the two bolts, and then remove the rear combination light while disconnecting connector. sembly A: REMOVAL 1. SEDAN 1) Disconnect the ground cable from battery. 2) Remove the clips, and then detach the trunk rear trim.

  • Page 24: Brake/Tail Light Bulb

    Brake/Tail Light Bulb LIGHTING SYSTEM 19.Brake/Tail Light Bulb A: REMOVAL 1. SEDAN 1) Remove the trunk side trim of rear portion. 2) Turn the socket and remove the bulb. LI-00336 (A) Model without rear fog light: Stop light (B) Model with rear fog light: Tail light (C) Model with rear fog light: Stop light Model without rear fog light: Tail light 2.

  • Page 25: Back-Up Light Bulb

    Back-up Light Bulb LIGHTING SYSTEM 20.Back-up Light Bulb A: REMOVAL 1. SEDAN 1) Remove the trunk side trim of rear portion. 2) Turn the socket and remove the bulb. LI-00337 2. WAGON 1) Remove the rear combination light assembly. <Ref. to LI-21, WAGON, REMOVAL, Rear Combi- nation Light Assembly.>...

  • Page 26: Rear Turn Signal Light Bulb

    Rear Turn Signal Light Bulb LIGHTING SYSTEM 21.Rear Turn Signal Light Bulb A: REMOVAL 1. SEDAN 1) Remove the trunk side trim of rear portion. 2) Turn the socket and remove the bulb. LI-00338 2. WAGON 1) Remove the rear combination light assembly. <Ref.

  • Page 27: Rear Fog Light Bulb

    Rear Fog Light Bulb LIGHTING SYSTEM 22.Rear Fog Light Bulb A: REMOVAL 1. SEDAN 1) Remove the trunk side trim of rear portion. 2) Turn the socket and remove the bulb. LI-00339 2. WAGON 1) Remove the rear combination light assembly. <Ref.

  • Page 28: License Plate Light

    License Plate Light LIGHTING SYSTEM 23.License Plate Light A: REMOVAL 1) Remove the license plate light mounting screw (A), and then remove the lens (B). LI-00220 2) Remove the bulb. B: INSTALLATION Install in the reverse order of removal. C: INSPECTION 1) Visually check the bulb for blow out.

  • Page 29: High-Mounted Stop Light

    High-mounted Stop Light LIGHTING SYSTEM 24.High-mounted Stop Light 4) Remove screws (d), and then detach the high- mounted stop light while disconnecting connector. A: REMOVAL 1. SEDAN (STANDARD TYPE) 1) Disconnect the ground cable from battery. 2) Disconnect the connector of high-mounted stop light from body harness.

  • Page 30: Side Turn Signal Light

    Side Turn Signal Light LIGHTING SYSTEM 25.Side Turn Signal Light A: REMOVAL 1) Disconnect the ground cable from battery. 2) Pull out the light from body while pushing it in di- rection of vehicle front. 3) Disconnect the harness connector and remove the light.

  • Page 31: Spot Map Light

    Spot Map Light LIGHTING SYSTEM 26.Spot Map Light A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the lens (A) and spot map light mount- ing screw (B). LI-00224 LI-00225 3) Disconnect the harness connectors and remove the spot map light. B: INSTALLATION Install in the reverse order of removal.

  • Page 32: Room Light

    Room Light LIGHTING SYSTEM 27.Room Light A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the lens (A) and room light mounting screws (B). LI-00040 3) Disconnect the harness connectors and remove the light. B: INSTALLATION Install in the reverse order of removal. C: INSPECTION 1.

  • Page 33: Luggage Room Light

    Luggage Room Light LIGHTING SYSTEM 28.Luggage Room Light 2. LUGGAGE ROOM LIGHT SWITCH Measure the luggage room light resistance. A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the lens (A) and luggage room light mounting screws (B). LI-00043 Switch position Terminal No.

  • Page 34: Trunk Room Light

    Trunk Room Light LIGHTING SYSTEM 29.Trunk Room Light A: REMOVAL 1) Disconnect the ground cable from battery. 2) Disconnect the harness connectors and remove the trunk room light. LI-00226 B: INSTALLATION Install in the reverse order of removal. C: INSPECTION 1) Visually check the bulb for blow out.

  • Page 35: Glove Box Light

    Glove Box Light LIGHTING SYSTEM 30.Glove Box Light A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the glove box. <Ref. to EI-39, REMOV- AL, Glove Box.> 3) Disconnect the harness connector. 4) Remove the glove box light. LI-00227 B: INSTALLATION Install in the reverse order of removal.
  • Page 36 Glove Box Light LIGHTING SYSTEM LI-34...

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