Page 533 of 801
YH4
GRAND
VITARA
6
5
1. Headlight assembly
2. Halogen bulb
3. Socket cover
4. Turn signal light bulb
5. Position light bulb
6. Turn signal light bulb socket
7. Position light bulb socket
8B-2 LIGHTING SYSTEM
GENERAL DESCRIPTION
CAUTIONS IN SERVICING
Refer to Section 8.
SYMBOLS AND MARKS
Refer to Section 8.
WIRING COLOR SYMBOLS
Refer to Section 8.
ABBREVIATIONS
Refer to Section 8.
JOINT CONNECTOR
Refer to Section 8.
FUSE BOX AND RELAY
Refer to Section 8.
POWER SUPPLY DIAGRAM
Refer to Section 8.
HEADLIGHTS
Page 535 of 801
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
Page 538 of 801
YH4
GRAND
VITARA
LH steering vehicle shown
X-X:Horizontal center line of headlight bulbs
A-A:Vertical center line of left headlight bulb
B-B:Vertical center line of right headlight bulb1. Screen
2. For right / left adjustment
3. For up / down adjustment
(for vehicle without leveling system)
4. For up / down adjustment
(for vehicle with leveling system)
5. Headlight leveling actuatorHOT
SPOT LH. HEADLIGHT RH. HEADLIGHT
LIGHTING SYSTEM 8B-7
BULB REPLACEMENT
WARNING:
Don't touch when the bulb is hot.
1) Disconnect negative cable at battery.
2) Disconnect harness from bulb.
3) Remove socket cover and bulb.
4) Replace bulb and install in reverse removal procedure.
HEADLIGHT AIMING WITH SCREEN
NOTE:
Unless otherwise obligated by local regulations, adjust
headlight aiming according to following procedure.
After replacing headlight, be sure to perform its aiming.
When inspecting and adjusting headlight with leveling sys-
tem, make sure to set the leveling switch to ª0º position with
IG switch ON.
Before adjustment, make sure the following.
a) Place vehicle on a flat surface in front of blank wall as below
ahead of headlight surface.
Clearance ªaº: 10 m (32.8 ft)
b) Adjust air pressure of all tires to a specified value respectively.
c) Bounce vehicle body up and down by hand to stabilize suspen-
sion.
d) Carry out one driver aboard.
Driver's weight: 75 kg (165 lb)
Adjustment
1) Check to see if hot spot (high intensity zone) of each main (low)
beam axis falls as illustrated.
Clearance ªHº: Approx. 130 mm (5.15 in.)
2) If headlight aiming is not set properly, align it to specification by
adjusting aiming screw and aiming gear.
