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.
Page 546 of 801

YH4
GRAND
VITARA
8C-4 INSTRUMENTATION / DRIVER INFORMATION
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).
SPEEDOMETER AND VSS
TroublePossible CauseCorrection
Speedometer shows no
operationªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
VSS faulty
Printed plate in combination meter
faulty
Speedometer faulty
Wiring or grounding faultyReplace fuse to check for short
Replace VSS
Replace printed plate
Replace speedometer
Repair
FUEL METER / FUEL GAUGE UNIT
TroublePossible CauseCorrection
Fuel meter shows no
operationªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
Fuel gauge unit faulty
Printed plate in combination meter
faulty
Fuel meter faulty
Wiring or grounding faultyReplace fuse to check for short
Replace fuel gauge unit
Replace printed plate
Replace fuel meter
Repair
ENGINE COOLANT TEMP. (ECT) METER AND SENSOR
TroublePossible CauseCorrection
Engine coolant temp.
meter shows no operationªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
ECT meter faulty
Printed plate in combination meter
faulty
ECT sensor faulty
Wiring or grounding faultyReplace fuse to check for short
Replace ECT meter
Replace printed plate
Replace ECT sensor
Repair
OIL PRESSURE LIGHT
TroublePossible CauseCorrection
Oil pressure warning light
does not light upBulb in combination meter blown
ªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
Printed plate in combination meter
faulty
Oil pressure switch faulty
Wiring or grounding faultyReplace bulb
Replace fuse to check for short
Replace printed plate
Replace oil pressure switch
Repair
Page 547 of 801

YH4
GRAND
VITARA
INSTRUMENTATION / DRIVER INFORMATION 8C-5
BRAKE AND PARKING BRAKE WARNING LIGHT
TroublePossible CauseCorrection
Brake warning light does
not light upBulb in combination meter blown
ªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
Printed plate in combination meter
faulty
Parking brake switch faulty
Brake fluid level switch faulty
Wiring or grounding faultyReplace bulb
Replace fuse to check for short
Replace printed plate
Replace parking brake switch
Replace brake fluid level switch
Repair
LIGHT REMAINDER WARNING BUZZER
TroublePossible CauseCorrection
Light remainder warning
buzzer shows no
soundingªTAILº fuse blown
Buzzer faulty
Wiring or grounding faulty
Driver side door switch faultyReplace fuse to check for short
Replace buzzer
Repair
Replace door switch
SEAT BELT WARNING LIGHT (IF EQUIPPED)
TroublePossible CauseCorrection
Seat belt warning light
does not light upBulb in combination meter blown
ªIG / METERº fuse blown (Hard Top
Model)
ªIGº fuse blown (Canvas Top Model)
Seat belt switch faulty
Wiring or grounding faultyReplace bulb
Replace fuse to check for short
Replace seat belt switch
Repair
IGNITION KEY REMAINDER WARNING BUZZER (IF EQUIPPED)
TroublePossible CauseCorrection
Ignition key remainder
warning buzzer shows no
soundingªDOMEº fuse blown (Hard Top Model)
ªDOMº fuse blown (Canvas Top
Model)
Buzzer faulty
Wiring or grounding faulty
Driver side door switch faulty
Ignition key switch faultyReplace fuse to check for short
Replace buzzer
Repair
Replace door switch
Replace ignition key switch
CIGARETTE LIGHTER AND ACCESSORY SOCKET
TroublePossible CauseCorrection
Cigarette lighter /
accessory socket shows
no operationªCIGARº fuse blown (Hard Top Model)
ªCIGº fuse blown (Canvas Top Model)
Ignition switch faulty
Cigarette lighter / accessory socket
faulty
Wiring or grounding faultyReplace fuse to check for short
Replace ignition switch
Replace cigarette lighter / accessory
socket
Repair
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YH4
GRAND
VITARA
INSTRUMENTATION / DRIVER INFORMATION 8C-9
1. Exhaust pipe
FUEL METER / FUEL GAUGE UNIT
FUEL METER
INSPECTION
1) Remove rear bumper facing.
2) Detach grommet (3) from vehicle.
3) Disconnect coupler (2) of fuel pump and gauge.
4) Turning switch ON, and check that fuel meter indicates E.
5) Turn ignition switch OFF.
6) Ground Bl / W lead through a 3.4 W test bulb (4) as illustrated.
7) Turn ignition switch ON and check that bulb light up and pointer
(5) moves to F side.
8) If fuel meter shows no operation, repair or replace defective
parts.
FUEL SENDER GAUGE
INSPECTION
1) Remove fuel pump assembly (1) referring to FUEL PUMP RE-
MOVAL in Section 6C.
2) Check resistance between terminals (A) and (B) under each
float position.
Float Position
FuelResistance ()56 model66 modelMeterResistance ()
ªaº88.3 mm
(3.48 in.)51.7 mm
(2.04 in.)F6 ± 8
ªbº157.2 mm
(6.20 in.)139.6 mm
(5.50 in.)1/229.5 ± 35.5
ªcº254.9 mm
(10.0 in.)254.9 mm
(10.0 in.)E94 ± 96
If measured valve is out of specification, replace fuel sender gauge.
Page 552 of 801
YH4
GRAND
VITARA
8C-10 INSTRUMENTATION / DRIVER INFORMATION
G16
J20
H25
1. ECT sensor
1
ENGINE COOLANT TEMP. (ECT) METER AND
SENSOR
ENGINE COOLANT TEMPERATURE (ECT) METER
INSPECTION
1) Disconnect Y/W lead wire going to ECT sensor.
2) Turn ignition switch ON, and check that ECT meter indicates
COOL.
3) Turn ignition switch OFF.
4) Ground Y/W lead wire through a 3.4 W test bulb (1) as illustrated.
5) Turn ignition switch ON, and check that bulb light up and pointer
(2) moves to hot side.
6) If ECT meter shows no operation, repair or replace defective
parts.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
REMOVAL AND INSTALLATION
Refer to ECT SENSOR in ON-VEHICLE SERVICE in Section 6E1
(for G16 and J20) or Section 6E2 (for H25) of this manual for details.
Page 603 of 801

YH4
GRAND
VITARA
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-15
1. Main fuse
2. Main relay
3. ECM/PCM
4. Immobilizer indicator lamp
(Vehicle not equipped with
monitor coupler) For G16 / J20 engine For H25 engine
G16 / J20 Engine
H25 Engine
TABLE B IMMOBILIZER INDICATOR LAMP CHECK
(IMMOBILIZER INDICATOR LAMP DOSE NOT LIGHT AT IGNITION
SWITCH ON)
STEPACTIONYESNO
11) Turn ignition switch ON.
Do other indicator / warning lights in
combination meter come ON?Go to Step 2.ªIGº fuse blown, main fuse blown,
ignition switch malfunction,
ªB / Wº circuit between ªIGº fuse
and combination meter or poor
coupler connection at
combination meter.
21) Turn ignition switch OFF and
disconnect connectors from ECM /
PCM.
2) Check for proper connection to ECM /
PCM at terminal E61-5 for G16 / J20
engine or E61-23 for H25 engine.
3) If OK, then using service wire, ground
terminal E61-5 for G16 / J20 engine or
E61-23 for H25 engine in connector
disconnected.
Does immobilizer indicator lamp turn on
at ignition switch ON?Substitute a known-
good ECM / PCM and
recheck.Bulb burned out or ª(b)º wire
circuit open.