YH4
GRAND
VITARA
8B
LIGHTING SYSTEM 8B-1
SECTION 8B
LIGHTING SYSTEM
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
Service on and around the air bag system components or wiring must be performed only by an autho-
rized SUZUKI dealer. Refer to ªAir Bag System Components and Wiring Location Viewº under ªGener-
al Descriptionº in air bag system section in order to confirm whether you are performing service on
or near the air bag system components or wiring. Please observe all WARNINGS and ªService Precau-
tionsº under ªOn-Vehicle Serviceº in air bag system section before performing service on or around
the air bag system components or wiring. Failure to follow WARNINGS could result in unintentional
activation of the system or could render the system inoperative. Either of these two conditions may
result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
ªLOCKº position and the negative cable is disconnected from the battery. Otherwise, the system may
be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
CONTENTS
GENERAL DESCRIPTION8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cautions in Servicing8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols and Marks8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Color Symbols8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Abbreviations8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Joint Connector8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Box and Relay8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Diagram8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight with Leveling System (If Equipped) 8B- 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS8B- 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights with Leveling System (If Equipped) 8B- 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Lights 8B- 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearance, Tail and License Plate Lights 8B- 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-up Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Fog Light (If Equipped)8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE8B- 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights with Leveling System (If Equipped) 8B- 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Lights 8B- 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Fog Light (If Equipped)8B-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
YH4
GRAND
VITARA
8B-4 LIGHTING SYSTEM
DIAGNOSIS
NOTE:
Fuse name (ª º) in the table below is shown on the fuse box cover (Hard Top Model) or the junction box
(Canvas Top Model).
HEADLIGHTS
TroublePossible causeCorrection
Only one light does not
lightBulb blown
Headlight L or R fuse blown
Socket, wiring or grounding faultyReplace bulb
Replace fuse to check for short
Repair
Headlights do not lightHeadlight L and R fuses blown
Lighting and dimmer switch faulty
Defective light relay
Wiring or grounding faultyReplace fuses to check for short
Replace switches
Replace light relay
Repair
Only one beam (ªHiº or
ªLoº) does not lightBulb blown
Lighting or dimmer switch faultyReplace bulb
Replace switch
HEADLIGHTS WITH LEVELING SYSTEM (IF EQUIPPED)
TroublePossible causeCorrection
Both headlights do not
moveªTURN / BACKº fuse blown (Hard Top Model)
ªTRNº fuse blown (Canvas Top Model)
Leveling switch faulty
Supply voltage too lowReplace fuse to check for short
Replace switch
Recharge or replace battery
One of headlights (either
Right or Left) does not
moveSocket, wiring or grounding faulty
Actuator faulty
Vehicle body around headlight deformed
Headlight ass'y itself deformedRepair
Replace actuator
Repair body
Replace headlight ass'y
TURN SIGNAL AND HAZARD WARNING LIGHTS
TroublePossible causeCorrection
Flash rate high or one side
only flashesIncorrect bulb
One of light bulbs burnt out
Turn signal / hazard warning relay faulty
Open circuit or high resistance existing
Replace bulb
Replace
Replace relay
RepairOen circuit or high resistance existing
between turn signal / hazard warning
switch and lights on one side
Wiring or grounding faulty
Re air
Repair
No flashingªTURN / BACKº and / or ªHAZARDº fuse(s)
blown (Hard Top Model)
ªTRNº and / or ªHAZº fuse(s) blown
(Canvas Top Model)
Open circuit or high resistance existing
between battery and switch
Turn signal / hazard relay faulty
Combination switch or hazard switch faulty
Wiring or grounding faultyReplace fuse(s) to check for
short
Check bulb and check circuit
Replace relay
Replace switch
Repair
Flash rate lowSupply voltage too low
Turn signal / hazard relay faultyCheck charging system
Replace relay
YH4
GRAND
VITARA
8B-10 LIGHTING SYSTEM
1. Hazard relay
2. Junction box
3. Fuse box
Type A
Type B
3
3
2
HAZARD RELAY
INSPECTION
Connect battery and tester as shown.
Unless a continued click sound is heard, replace relay.
YH4
GRAND
VITARA
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-7
POWER DOOR LOCK AND KEYLESS ENTRY SYSTEM (IF KEYLESS ENTRY IS
EQUIPPED)
TroublePossible causeCorrection
All power doors are not
locked / unlocked by
both driver side door key
switch and power door
lock switch. But all
power doors are locked /
unlocked by keyless
entry transmitter
All power doors are not
locked / unlocked by
driver side door key
switch, power door lock
switch and keyless entry
transmitter
When power doors are
locked / unlocked by
keyless entry
transmitter, hazard
warning lights do not
flashªDOOR LOCKº fuse blown
Power door lock and keyless entry system
faultyReplace fuse to check for short
Refer to SYSTEM INSPECTION
of POWER DOOR LOCK AND
KEYLESS ENTRY SYSTEM
(IF KEYLESS ENTRY IS
EQUIPPED) in this section
All power doors are not
locked / unlocked by only
power door lock switchPower door lock switch faulty
Wiring or grounding faultyReplace switch
Repair
All power doors are not
locked / unlocked by only
driver side door key
switchDriver side door key switch faulty
Wiring or grounding faultyReplace switch
Repair
All power doors are not
locked / unlocked by only
keyless entry transmitterCode registration error
Transmitter battery dead
Transmitter faulty
Power door lock and keyless entry system
faultyRegister code
Replace battery
Replace transmitter
Refer to SYSTEM INSPECTION
of POWER DOOR LOCK AND
KEYLESS ENTRY SYSTEM
(IF KEYLESS ENTRY IS
EQUIPPED) in this section
Although any door is
opened within 30 seconds
after power door(s)
unlocked by keyless entry
transmitter, all power
doors are locked again
automaticallyDoor switch faulty
Wiring harness connected to door switch
brakesReplace switch
Repair
Only one power door is not
locked / unlockedWiring or coupler faulty
Actuator (door lock motor) faultyRepair
Replace actuator
Operation distance of
keyless entry is unstableTransmitter battery dead
Transmitter faultyReplace battery
Replace transmitter