lighting system SUZUKI SWIFT 2004 2.G Service User Guide

Downloaded from www.Manualslib.com manuals search engine 9A-3 Wiring Systems:
Ignition switch Keyless entry Immobilizer system Combination meter Lighting switch
Headlight leveling Hazard warning light Front fog light Rear fog light Spark plug Radiator fan Fuel pumpFuel injectorXX control module Windshield wiper
Windshield washer Rear wiper Rear washer Rear defogger Power window
Power door lock Power mirror A/BPretensioner Passenger side
Driver side Seat heater A/CPower steering Side air-bag (R)
Side air-bag (L) Side curtain air-bag (R) Side curtain air bag (L) Glow plug
I2RH01910912-01I3JA01910902-01I5RH01910901-01I2RH01910915-01I2RH01910916-01
I3JA01910904-01I3JA01910905-01I3JA01910906-01I3JA01910907-01I2RH01910921-01
I2RH01910922-01I3JA01910908-01I5RW0A910987-01
XX
Cont M
I2RH01910925-01I3JA01910909-01
I3JA01910910-01I3JA01910911-01I3JA01910912-01I2RH01910930-01I3JA01910913-01
I3JA01910914-01I3JA01910915-01I3JA01910916-01I3JA01910917-01I3JA01910918-01
I3JA01910919-01I2RH01910938-01I3JA01910920-01I3JA01910921-01I4JA01910901-01
I4JA01910902-01I5RS0A910958-01I5RS0A910959-01
I5RW0A910986-01

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Body, Cab and Accessories
Lighting Systems
Component Location
Lighting System Components LocationS7RS0B9203001
NOTE
Below figure shows left-hand steering vehicle. For right-hand steering vehicle, parts with (*) are
installed at the opposite side.

2
1
3
4
6
14
5
7
11
9
15
[A]
1515*
10*
8* 12
13
16*
17
I6RS0C920002-01
1. Headlight bulb 7. Headlight unit 13. Turn signal / hazard warning relay
2. Socket cover 8. Lighting switch 14. Rear combination light
3. Clearance light bulb 9. Front fog light (if equipped)15. BCM (included in junction block assembly)
: BCM cannot be removed from junction block.
4. Clearance light bulb socket 10. Front fog light switch (if equipped) 16. Headlight leveling switch (if equipped)
5. Turn signal light bulb 11. Front fog light relay (if equipped) 17. Back-up light
6. Turn signal light bulb socket 12. Hazard warning switch [A]: Junction block assembly viewed from relay side

Downloaded from www.Manualslib.com manuals search engine 9B-2 Lighting Systems:
Interior Light System LocationS7RS0B9203002
Diagnostic Information and Procedures
Headlight Symptom DiagnosisS7RS0B9204001
Headlight Leveling System Symptom Diagnosis (If Equipped)S7RS0B9204002
13
2
4
I4RS0A920002-01
1. Dome light 3. Door switches (both sides)
2. Luggage compartment light (if equipped) 4. Rear end door switch (included in rear end door lock)
ConditionPossible cause Correction / Reference Item
Headlights do not light up Bulbs blown Replace bulbs.
Lighting or dimmer switch faulty Check headlight switch referring to “Headlight
Switch (in Lighting Switch) Inspection”.
Headlight R and L fuses blown Replace fuse and check for short circuit.
Wiring or grounding faulty Repair circuit.
Only one headlight does
not light up Bulb blown
Replace bulb.
Headlight R or L fuse blown Replace fuse and check for short circuit.
Wiring or grounding faulty Repair circuit.
Only one beam (“Hi” or
“Lo”) does not light Bulb blown
Replace bulb.
Lighting or dimmer switch faulty Check headlight switch referring to “Headlight
Switch (in Lighting Switch) Inspection”.
Wiring or grounding faulty Repair circuit.
ConditionPossible cause Correction / Reference Item
Optical axes of both
headlights do not change Circuit fuse blown
Replace fuse and check for short circuit.
Headlight leveling switch faulty Check headlight leveling switch referring to
“Headlight Leveling Switch Inspection (If
Equipped)”.
Supply voltage too low Check charging system referring to “Generator
Test (Undercharged Battery Check) in Section
1J”.
Wiring or grounding faulty Repair circuit.
Optical axis of only one
headlight does not
change Circuit fuse blown
Replace fuse and check for short circuit.
Headlight leveling actuator faulty Check actuator referring to “Headlight Leveling
Actuator Inspection (If Equipped)”.
Headlight housing deformed Replace headlight housing.
Wiring or grounding faulty Repair circuit.

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Turn Signal and Hazard Warning Light Symptom DiagnosisS7RS0B9204003
Clearance, Tail and License Plate Light Symptom DiagnosisS7RS0B9204004
ConditionPossible cause Correction / Reference Item
Flash rate high or one
side only flashes Bulb blown on “flash rate high”-side
Replace bulb.
Incorrect bulb Replace bulb.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay
referring to “Turn Signal and Hazard Warning
Relay Inspection”.
Open circuit or high resistance existing
either; between turn signal switch and
non lighting bulb, or between hazard
warning switch and non lighting bulb Repair circuit.
Wiring or grounding faulty Repair circuit.
No flashing
NOTE
• Use of SUZUKI scan tool makes it easy to
check whether a faulty
condition is on the
input side or output
side of BCM. For
checking procedure,
refer to “Diagnosis
Using Output Test
Function of SUZUKI
Scan Tool” under
“Scan Tool Data in
Section 10B”.
• Check each part in the order from the top of
the following list.

Circuit fuse(s) blown Replace fuse(s) and check for short circuit.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay
referring to “Turn Signal and Hazard Warning
Relay Inspection”.
Turn signal light switch faulty Check turn signal light switch referring to “Turn
Signal Light Switch (in Lighting Switch)
Inspection”.
Hazard warning switch faulty Check hazard warning switch referring to
“Hazard Warning Switch Inspection”.
Open circuit or high resistance existing
between battery and switch Repair circuit.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
Flash rate low Supply voltage low Check charging system.
Turn signal / hazard warning relay faulty Check turn signal / hazard warning relay
referring to “Turn Signal and Hazard Warning
Relay Inspection”.
ConditionPossible cause Correction / Reference Item
All lights do not light up Circuit fuse blown Replace fuse and check for short circuit.
Lighting and dimmer switch of
combination switch faulty Check lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Wiring or grounding faulty Repair circuit.
Some lights do not light
up Bulb(s) blown
Replace bulb(s).
Wiring or grounding faulty Repair circuit.

Downloaded from www.Manualslib.com manuals search engine 9B-4 Lighting Systems:
Back-Up Light Symptom DiagnosisS7RS0B9204005
Brake Light Symptom DiagnosisS7RS0B9204006
Front Fog Light Symptom Diagnosis (If Equipped)S7RS0B9204007
ConditionPossible cause Correction / Reference Item
Back-up lights do not
light up Bulb(s) blown
Replace bulb(s).
Circuit fuse blown Replace fuse and check for short circuit.
Back-up light switch (M/T model) or
transmission range sensor (A/T model)
faulty Check back-up light switch or transmission
range sensor referring to “Back Up Light
Switch Inspection in Section 5B” or
“Transmission Range Sensor (Shift Switch)
Inspection and Adjustment in Section 5A”.
Wiring or grounding faulty Repair circuit.
Back-up lights stay on Back-up light switch (M/T model) or
transmission range sensor (A/T model)
faulty Check back-up light switch or transmission
range sensor referring to “Back Up Light
Switch Inspection in Section 5B” or
“Transmission Range Sensor (Shift Switch)
Inspection and Adjustment in Section 5A”.
Condition
Possible cause Correction / Reference Item
Brake light do not light up Bulb(s) blown Replace bulb(s).
Circuit fuse blown Replace fuse and check for short circuit.
Brake light switch faulty Check brake light switch referring to “Brake
Light Switch Inspection”.
Wiring or grounding faulty Repair circuit.
Brake light stay on Brake light switch faulty Check or adjust brake light switch referring to
“Brake Light Switch Inspection” or “Stop Light
Switch Adjustment in Section 4A”.
ConditionPossible cause Correction / Reference Item
Only one light does not
light Bulb blown
Replace bulb.
Wiring or grounding faulty Repair circuit.
Front fog lights do not
light Circuit fuse blown
Replace fuse and check for short circuit.
Bulb blown Replace bulb.
Front fog light switch faulty Check front fog light switch referring to “Front
Fog Light Switch Inspection (If Equipped)”.
Front fog light relay faulty Check front fog light relay referring to “Front
Fog Light Relay Inspection (If Equipped)”.
Wiring or grounding faulty Repair circuit.

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Interior Light Symptom DiagnosisS7RS0B9204008
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, re fer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Repair Instructions
Headlight Housing Removal and InstallationS7RS0B9206001
Removal 1) Disconnect negative (–) cable at battery.
2) Remove front bumper. Refer to “Front Bumper and Rear Bumper Componen ts in Section 9K”.
3) Remove headlight mounting bolts.
4) Detach headlight housing (1) from vehicle.
5) Disconnect couplers (2) from headlight housing (1). Installation
Reverse removal procedure noting the following.
• Install headlight mounting bolts, and then tighten
headlight mounting bolts (“1” – “3”) according to
numerical order as shown in figure.
• After installation, be sure to inspect and adjust aiming referring to “Headlight Aiming Adjustment with
Screen”.
Condition Possible cause Correction / Reference Item
Dome light does not light
up Bulb blown
Replace bulb.
Circuit fuse blown Replace fuse and check for short circuit.
Dome light switch faulty Check dome light switch.
Door switch faulty Check door switch referring to “Door Switch
(Front / Rear Door) Inspection in Section 9C”.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
Luggage compartment
light does not light up (if
equipped) Bulb blown
Replace bulb.
Rear end door switch faulty Check switch referring to “Rear End Door
Switch Inspection in Section 9C”.
Wiring or grounding faulty Repair circuit.
2 1
I4RS0A920003-01
2
1 3
I4RS0A920004-01

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Headlight Bulb ReplacementS7RS0B9206002
WARNING!
• To avoid danger of being burned, don’t touch when the bulb is hot.
• Don’t touch glass surface of bulb, to avoid deteriorate as the case may be unclear
when bulb light on at dirty condition.

1) Disconnect negative (–) cable at battery.
2) Disconnect coupler from bulb.
3) Remove socket cover (1).
4) Replace bulb (2) and assemble all removed parts.
Headlight Aiming Adjustment with ScreenS7RS0B9206003
NOTE
• Unless otherwise obligated by local regulations, adjust headlight aiming
according to the following procedure.
• After replacing headlight housing, be sure to adjust aiming.
• When inspecting and adjusting headlight with leveling system, make sure to set the
leveling switch to “0 ” position with ignition
switch turned ON.

1) Make sure the following items.
• Place vehicle on a flat surface in front of blank wall (screen) (1) ahead of headlight surface.
Distance “a”
10 m (32.8 ft.)
• Adjust air pressure of all tires to the specified value respectively.
• Bounce vehicle body up and down by hand to stabilize suspension.
• Carry out aiming with a driver aboard.
Driver’s weight
75 kg (165 lb)
2) Check to see if hot spot (high intensity zone) of each low beam axis falls as shown in figure.
NOTE
If the headlights interfere each other and
make it hard to see the cut line clearly, cover
the headlight on one side. This helps to make
aiming adjustment easier.

Hot spot specification
Angle “b”: 0.75 ° (Specification)
Calculated distance “H”: Approx. 130 mm (5.15
in.)
1
iii)
2
i)
ii)
I4RS0A920005-01

Downloaded from www.Manualslib.com manuals search engine Lighting Systems: 9B-7
3) Align headlight aiming to specification by adjusting aiming gear if it is not set properly.
I5RS0D920003-01
2. Headlight bulb 9. Turning (for right adjustment)[A]: Left headlight
3. Cut line (bounding line) 10. Turning (for left adjustment) [B]: Right headlight
4. Hot spot 11. Headlight housing [C]: RH steering vehicle shown
5. Aiming gear (for up / down adjustment) 12. Headlight leveling actuator [D]: LH steering vehicle shown
6. Turning (for up adjustment) X-X: Horizontal center line of headlight bulbs [E]: With leveling system
7. Turning (for down adjustment) A-A: Vertical center line of left headlight bulb [F]: Without leveling system
8. Aiming gear (for right / left adjustment) B-B: Vertical center line of right headlight bulb

Downloaded from www.Manualslib.com manuals search engine 9B-8 Lighting Systems:
Headlight Switch (in Lighting Switch) Removal
and Installation
S7RS0B9206004
Removal1) Disconnect negative cable at battery.
2) Remove steering column hole cover (1).
3) Remove steering column covers (2). Turn steering wheel to acce ss steering column cover
screws (3).
4) Remove lighting switch (2 ) from combination switch
assembly (1) and disconnect its coupler (3).
Installation
Reverse removal procedure for installation.
Headlight Switch (in Lighting Switch)
Inspection
S7RS0B9206005
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Hazard Warning Switch Removal and
Installation
S7RS0B9206006
Removal 1) Disconnect negative (–) cable at battery.
2) Remove center ventilation louver (1) referring to
“Center Ventilation Louver Removal and Installation
in Section 7A”.
3) Disconnect coupler, and then remove hazard warning switch (2) from center ventilation louver (1)
while releasing the locks (3).
Installation
Reverse removal procedure for installation.
1
32
I4RS0B920004-02
1
2
3
I4RS0B920005-01
[A]: LH steering vehicle [B]: RH steering vehicle
Terminal
Shaft condition
OFF 5
3124
LOW
PASS
HI
LOW
PASS
HI LOW
PASS
HI
CLEARANCE
HEAD
HEADCLEARANCE
OFF
HI
PA S S
54321
54321
[A][B]
I5RS0D920004-02
1
2 3
I4RS0B920007-01

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Hazard Warning Switch InspectionS7RS0B9206007
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Brake Light Switch InspectionS7RS0B9206008
Check brake light switch for continuity between terminals
at each switch position.
If check result is not as specified, replace switch.
Turn Signal Light Switch (in Lighting Switch)
Removal and Installation
S7RS0B9206009
For removal and Installation, refer to “Headlight Switch
(in Lighting Switch) Removal and Installation”.
Turn Signal Light Switch (in Lighting Switch)
Inspection
S7RS0B9206010
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Turn Signal and Hazard Warning Relay Removal
and Installation
S7RS0B9206011
Removal
1) Disconnect negative (–) cable at battery.
2) Remove junction block assembly referring to “BCM (Included in Junction Bl ock Assembly) Removal and
Installation in Section 10B”.
3) Remove turn signal and hazard warning relay.
Installation
Reverse removal procedure for installation.
Terminal
Shaft condition
OFF
ON 12 3 4
1
2
3 4
I4RS0A920011-02
4
2 3
1
Terminal
Shaft condition
FREE
PUSH 12 3 4
I4RS0A920012-01
[A]: LH steering vehicle
[B]: RH steering vehicle
L
R
Terminal
Turn signal SW 3
12
L
N
R 123
123
[A][B]
I5RS0D920006-01