2000 SUZUKI GRAND VITARA heater switch

YH4
GRAND
VITARA
SYSTEM CIRCUIT
A. To heater fuse
B. To rear defogger fuse
C. To ignition / meter fuse
D. To A / C fuse
E. Only LH vehicle1. Blower motor relay
2. Blower motor
3. Blower motor switch
4. A / C switch
5. Deflloster position switch
6. Deflloster / foot position switch7. Dual pressure (refrigerant
pressure) switch
8. A / C thermistor (evaporator
temperature sensor)
9. Compressor relay
10. Compressor11. Condenser fan motor relay
12. Condenser fan motor
13. A / C controller
14. ECM
15. Compressor thermal switch
(only IWATA production vehicle)
TERMINAL ARRANGEMENT OF A / C CONTROLLER
TERMINAL ARRANGEMENT OF ECM FOR G16, J20 ENGINE
TERMINAL ARRANGEMENT OF ECM FOR H25 ENGINE
H25 engine
E61-27
G16, J20
engines
E61-8
H25 engine
E61-28
G16, J20
engines
E61-17
1919
19H25 engine
E61-5
G16, J20
engines
E61-22
AIR CONDITIONING (OPTIONAL) 1B-19

YH4
GRAND
VITARA
8D
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-1
GENERAL DESCRIPTION8D- 2 . . . . . . . . . . . . . .
Cautions in Servicing 8D- 2. . . . . . . . . . . . . . . . .
Symbols and Marks 8D- 2. . . . . . . . . . . . . . . . . . .
Wiring Color Symbols 8D- 2. . . . . . . . . . . . . . . . .
Abbreviations 8D- 2. . . . . . . . . . . . . . . . . . . . . . . .
Joint Connector 8D- 2. . . . . . . . . . . . . . . . . . . . . .
Fuse Box and Relay 8D- 2. . . . . . . . . . . . . . . . . .
Power Supply Diagram 8D- 2. . . . . . . . . . . . . . . .
Windshield Wiper and Washer 8D- 2. . . . . . . . .
Front Wiper and Washer 8D- 2. . . . . . . . . . . . .
Rear Wiper and Washer (If Equipped) 8D- 3.
Power Door Lock and Keyless Entry
(If Equipped) System 8D- 4. . . . . . . . . . . . . . . .
DIAGNOSIS8D- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wiper and Washer 8D- 5. . . . . . . . .
Front Wiper and Washer 8D- 5. . . . . . . . . . . . .
Rear Wiper and Washer (If Equipped) 8D- 5.
Rear Window Defogger (If Equipped) 8D- 5. . .
Power Window Control System 8D- 5. . . . . . . . .
Power Door Lock System (If Keyless
Entry is not Equipped) 8D- 6. . . . . . . . . . . . . . . Power Door Lock and Keyless Entry
System (If Keyless Entry is Equipped) 8D- 7. .
Power Door Mirror Control System 8D- 8. . . . . .
Door Mirror Heater (If Equipped) 8D- 8. . . . . . . .
Power Sliding Roof (If Equipped) 8D- 8. . . . . . .
Front Seat Heater (If Equipped) 8D- 8. . . . . . . .
ON-VEHICLE SERVICE8D- 9 . . . . . . . . . . . . . . . .
Windshield Wiper and Washer 8D- 9. . . . . . . . .
Front Wiper and Washer 8D- 9. . . . . . . . . . . . .
Rear Wiper and Washer (If Equipped) 8D-13.
Rear Window Defogger (If Equipped) 8D-16. . .
Power Window Control System 8D-18. . . . . . . . .
Power Door Lock System (If Keyless
Entry is not Equipped) 8D-20. . . . . . . . . . . . . . .
Power Door Lock and Keyless Entry
System (If Keyless Entry is Equipped) 8D-23. .
Power Door Mirror Control System 8D-30. . . . . .
Door Mirror Heater (If Equipped) 8D-31. . . . . . . .
Power Sliding Roof (If Equipped) 8D-32. . . . . . .
Front Seat Heater (If Equipped) 8D-33. . . . . . . .
SECTION 8D
WINDOWS, MIRRORS, SECURITY AND LOCKS
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

YH4
GRAND
VITARA
8D-8 WINDOWS, MIRRORS, SECURITY AND LOCKS
POWER DOOR MIRROR CONTROL SYSTEM
TroublePossible causeCorrection
All power mirrors do not
operate
ªCIGARº fuse blown (Hard Top Model)
ªCIGº fuse blown (Canvas Top Model)

Power door mirror switch faulty

Wiring or grounding faultyReplace fuse to check for short
Replace switch
Repair
One power mirror does
not operate
Power door mirror switch faulty

Actuator (power door mirror motor) faulty

Wiring or grounding faultyReplace switch
Replace actuator
Repair
DOOR MIRROR HEATER (IF EQUIPPED)
TroublePossible causeCorrection
The surface of mirror is
not defrosted although
door mirror heater
switch is ON
ªREAR DEFGº fuse blown (Hard Top Model)
ªDEFº fuse blown (Canvas Top Model)

Door mirror heater switch faulty

Door mirror heater faulty

Wiring or grounding faultyReplace fuse to check for short
Replace switch
Replace outside mirror
Repair
POWER SLIDING ROOF (IF EQUIPPED)
TroublePossible causeCorrection
Sliding roof does not
operate (sliding roof
motor runs OK)
Foreign object stuck in sliding roof rail

Misinstallation of sliding roof rail

Conflicts of sliding roof parts

Misinstallation of sliding roof drive cableRemove or clean stuck object
Install correctly
Fix conflicts
Install correctly
Sliding roof does not
operate (sliding roof
motor does not run)
ªSUN ROOFº fuse blown

Sliding roof switch faulty

Sliding roof motor ass'y faulty

Wiring or grounding faultyReplace fuse to check for short
Replace switch
Replace motor
Repair
FRONT SEAT HEATER (IF EQUIPPED)
TroublePossible causeCorrection
Both seat back and
cushion do not become
hot although seat heater
switch is LO / HI position
ªSEAT HTRº fuse blown (Hard Top Model)
ªS / Hº fuse blown (Canvas Top Model)

Seat heater switch faulty

Seat heater circuit in seat back and / or seat
cushion faulty

Wiring or grounding faultyReplace fuse to check for short
Replace switch
Replace heater front back and /
or heater front cushion
Repair
Only seat back does not
become hot although seat
heater switch is HI
position
Seat heater circuit in seat back faulty
(Hard Top Model)

Seat heater circuit in seat back and / or seat
cushion faulty (Canvas Top Model)

Seat heater switch faulty

Wiring faultyReplace heater front back
Replace heater front back
and / or heater front cushion
Replace switch
Repair
Only seat cushion does
not become hot although
seat heater switch is HI
position
Seat heater circuit in seat back and / or seat
cushion faulty (Hard Top Model)

Seat heater circuit in seat cushion
(Canvas Top Model)

Seat heater switch faulty

Wiring faultyReplace heater front back
and / or heater front cushion
Replace heater front cushion
Replace switch
Repair

YH4
GRAND
VITARA
Terminal
Operation
If mirror heater is not equipped
If mirror heater is equipped
8D-30 WINDOWS, MIRRORS, SECURITY AND LOCKS
POWER DOOR MIRROR CONTROL SYSTEM
INSPECTION
MIRROR SWITCH
1) Remove mirror switch from instrument panel.
2) Check for continuity between terminals at each switch position
as shown below.
If check result is not as specified, replace mirror switch.
DOOR MIRROR ACTUATOR
1) Remove garnish from door.
2) Disconnect door mirror coupler.
3) Check that door mirror operates properly when battery voltage
is applied to connector terminals.
Connect battery positive and negative terminal to the door mirror
terminal shown below and check operation.
If it does not operate as specified in table below, replace door
mirror assembly.
VBlYVBlY
Up

Down

Left

Right

NOTE:
When installing door mirror to door, be careful not to pinch
harness between door and door mirror.

YH4
GRAND
VITARA
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-31
DOOR MIRROR HEATER (IF EQUIPPED)
INSPECTION
MIRROR HEATER SWITCH
1) Remove mirror heater switch from instrument panel.
2) Check for continuity between terminals at each switch position
as shown below. If check result is not as specified, replace
switch.
MIRROR HEATER (IF EQUIPPED)
1) Remove garnish from door.
2) Disconnect door mirror coupler.
3) Check for continuity between terminals ªaº and ºbº.
If not continuity, replace outside mirror.

YH4
GRAND
VITARA
Hard Top Model
Canvas Top Model
LOAD2 LOAD1
1. Heater wire
2. Thermostat
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-33
FRONT SEAT HEATER (IF EQUIPPED)
SEAT HEATER SWITCH (DRIVER AND PASSENGER SIDE)
INSPECTION
1) Confirm that ignition switch is OFF position.
2) Pull out seat heater switch from front center console box.
3) Disconnect seat heater switch coupler.
4) Check for continuity between terminals at each switch position
as shown below. If check result is not as specified, replace.
SEAT HEATER WIRE
INSPECTION
1) Confirm that seat heater switch is OFF position.
2) Disconnect two couplers of seat heater under the seat cushion.
(If seat under tray is equipped, pull out coupler between tray and
seat cushion.)
3) Check for continuity between terminals as shown below.
If not continuity, replace faulty seat heater.
Hard Top Model
Seat heater circuit in seat back
Between a and b
Between b and d
Between c and e
Seat heater circuit in seat cushion
Between f and g
Canvas Top Model
Seat heater circuit in seat back
Between A And B
Seat heater circuit in seat cushion
Between C and D
Between D and F
Between E and G