charging SUZUKI GRAND VITARA 2001 2.G Service Owner's Manual

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
light
Bulb blown

Headlight L or R fuse blown

Socket, wiring or grounding faultyReplace bulb
Replace fuse to check for short
Repair
Headlights do not light
Headlight 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 light
Bulb blown

Lighting or dimmer switch faultyReplace bulb
Replace switch
HEADLIGHTS WITH LEVELING SYSTEM (IF EQUIPPED)
TroublePossible causeCorrection
Both headlights do not
move
ªTURN / 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
move
Socket, 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 flashes
Incorrect bulb

One of light bulbs burnt out

Turn signal / hazard warning relay faulty

Open circuit or high resistance existing
Replace bulb
Replace
Replace relay
Repair
Oen circuit or high resistance existing
between turn signal / hazard warning
switch and lights on one side

Wiring or grounding faulty
Re air
Repair
No flashing
ªTURN / 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 low
Supply voltage too low

Turn signal / hazard relay faultyCheck charging system
Replace relay

YH4
GRAND
VITARA
(A)
AIR BAG SYSTEM 10B-41
CODE 31 ± POWER SOURCE VOLTAGE HIGH (Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) With ignition switch OFF, disconnect SDM.
2) Check proper connection to SDM at
ªA16º terminal.
3) If OK then ignition switch ON, and then check
voltage from ªA16º terminal on SDM harness
connector to body ground.
4) Is voltage 14 V or less?Go to step 2.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
21) With ignition switch OFF, reconnect SDM
2) With ignition switch ON, is DTC 31 current?Substitute a known-
good SDM and recheck.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
Fig. for STEP 1
Special Tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA
(A)
AIR BAG SYSTEM 10B-43
CODE 32 ± POWER SOURCE VOLTAGE LOW (Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) Measure voltage on battery.
2) Is voltage 11 V or more?Go to step 2.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
21) With ignition switch OFF, disconnect SDM.
2) Check proper connection to SDM at ªA16º
terminal.
3) If OK then ignition switch ON, and then check
voltage from ªA16º terminal on SDM harness
connector to body ground.
4) Is voltage 8 V or more?Go to step 4.Go to step 3.
31) With ignition switch OFF, disconnect ignition
connector (ªFº connector) in air bag harness.
2) Check proper connection at terminal in ªFº
connector.
3) If OK then ignition switch ON, and then check
voltage from terminal in ªFº connector on main
harness to body ground.
4) Is voltage 8 V or more?Repair poor connec-
tion, high resistance
in ªBI/Rº or ªBI/Bº
circuit of air bag
harness or
ªAIR BAGº fuse.Possibly faulty points are
as follows. Check each of
them and repair as
necessary.

Circuit from battery to
ªFº connector

Charging System
(Refer to SECTION
6H ªChanging Systemº)
41) With ignition switch OFF, reconnect SDM
2) With ignition switch ON, is DTC 32 current?Substitute a known-
good SDM and
recheck.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
Fig. for STEP 2
Special Tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.