2008 SUZUKI SWIFT headlight relay

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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.

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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

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Front Fog Light Removal and Installation (If
Equipped)
S7RS0B9206014
Removal1) Disconnect negative (–) cable at battery.
2) Remove front bumper, and then remove front bumper guard from front bumper referring to “Front
Bumper and Rear Bumper Components in Section
9K”.
3) Disconnect coupler from fog light.
4) Remove fog light screws (1), and remove front fog light (2).
Installation
Reverse removal procedure for installation nothing the
following:
• After installing, adjust aimi ng referring to “Front Fog
Light Aiming Adjustment with Screen (If Equipped)”.
Front Fog Light Bulb Replacement (If Equipped)S7RS0B9206015
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) Remove front bumper referring to “Front Bumper and Rear Bumper Components in Section 9K”.
2) Remove fog light bulb (1) as shown.
3) Replace fog light bulb and assemble all removed parts.
Front Fog Light Switch Inspection (If Equipped)S7RS0B9206016
NOTE
Front fog lights light up only when headlight
switch is in HEADLIGHT position (low or high
beams) or SMALL position. Front fog lights
turn OFF automatically when headlight
switch is turned to OFF position. If front fog
light switch holds ON position, front fog
lights turn ON automa tically when headlight
switch is tuned to HEADLIGHT position (low
or high beams) or SMALL position again.

Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Front Fog Light Relay Inspection (If Equipped)S7RS0B9206017
1) Check that there is no continuity between terminals “3” and “4”. If there is continuity, replace relay.
2) Connect battery positive (+ ) terminal to terminal “2”
of relay.
3) Connect battery negative (–) terminal to terminal “1” of relay.
4) Check continuity between terminals “3” and “4”. If there is no continuity when relay is connected to the
battery, replace relay.
1
2
I6RS0C920003-01
1
I4RS0A920020-01
1
2
3
4
5
Switch Position Terminal
ON (PUSH IN) 23
1
54
OFF
I4RS0A920021-01
“4”
“2” “1”
“3”
I4RS0A920022-01

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-10
Warning Buzzer Circuit Symptom DiagnosisS7RS0B9304012
NOTE
• Use of SUZUKI scan tool makes it easy to check wh ether 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.

Cigarette Lighter Symptom Diagnosis (If Equipped)S7RS0B9304013
Horn Symptom DiagnosisS7RS0B9304014
Condition Possible cause Correction / Reference Item
Warning buzzer shows no
sounding Circuit fuse blown
Replace fuse and check for short circuit.
Driver side door switch faulty Check driver side door switch referring to
“Door Switch (Front / Rear Door) Inspection”.
Lighting switch faulty Check lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection in
Section 9B”.
Key reminder switch faulty Check key reminder switch referring to
“Ignition Switch Inspection”.
Seat belt switch faulty (if equipped) Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
BCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible cause Correction / Reference Item
Cigarette lighter shows
no operation Circuit fuse blown
Replace fuse and check for short circuit.
Cigarette lighter faulty Check cigarette lighter.
Ignition switch faulty Check ignition switch referring to “Ignition
Switch Inspection”.
Wiring and/or grounding faulty Repair as necessary.
ConditionPossible cause Correction / Reference Item
Horn does not operate Circuit fuse blown Replace fuse and check for short circuit.
Horn switch faulty Check horn switch.
Horn relay faulty Check horn relay referring to “Horn Relay
Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Horn faulty Check horn referring to “Horn Inspection”.