Box SUZUKI GRAND VITARA 1999 2.G Service Workshop Manual

YH4
GRAND
VITARA
1A-8 HEATER AND VENTILATION
BLOWER MOTOR RELAY
REMOVAL
1) Disconnect negative (±) cable at battery.
2) Disable air bag system, if equipped. Refer to DISABLING AIR
BAG SYSTEM in Section 10B.
3) Open glove box, then remove screw.
4) Remove glove box.
5) Disconnect relay coupler.
6) Remove blower motor relay (1) by removing its fastening screw (2).
INSPECTION
1) Check that there is no continuity between terminal ªcº and ªdº.
If there is continuity, replace relay.
2) Connect battery positive (+) terminal to terminal ªbº of relay.
Connect battery negative (±) terminal ªaº of relay.
Check continuity between terminal ªcº and ªdº.
If there is no continuity when relay is connected to the battery,
replace relay.

YH4
GRAND
VITARA
HEATER AND VENTILATION 1A-9
1. LO
2. M1
3. M2
4. HI
BLOWER MOTOR RESISTOR
REMOVAL
1) Disconnect negative (±) cable (2) at battery (1).
2) Disable air bag system, if equipped. Refer to DISABLING AIR
BAG SYSTEM in Section 10B.
3) Open glove box (1), then remove screw (2).
4) Remove glove box.
5) Disconnect blower motor resistor (1) at coupler.
6) Remove heater blower resistor (1) by removing its fastening
screw (2).
INSPECTION
Measure each terminal-to-terminal resistance on resistor.
Resistance H-LO: Approx. 2.0

H-M1: Approx. 1.0

H-M2: Approx. 0.4

If measured resistance is incorrect, replace heater blower resistor.
INSTALLATION
1) Install heater blower resistor with screws.
2) Enable air bag system, if equipped. Refer to ENABLING AIR
BAG SYSTEM in Section 10B.

YH4
GRAND
VITARA
1A-10 HEATER AND VENTILATION
2. Screws1 2
HEATER MODE CONTROL SWITCH
REMOVAL
1) Disconnect negative (±) cable at battery.
2) If equipped with air bag system, disable air bag system.
Refer to DISABLING AIR BAG SYSTEM in Section 10B.
3) Remove meter cluster hood (1) by removing its mounting
screws (2).
4) Remove ashtray, center garnish (1) and instrument glove box
compartment.
5) Remove radio (1) (if equipped) or clock or accessory case.
6) Disconnect control cables (3) from blower motor unit (2) and
heater unit (1).

YH4
GRAND
VITARA
HEATER AND VENTILATION 1A-19
1. Heater unit
2. Rear duct
3. SDM
REAR DUCT
REMOVAL
1) Disconnect negative (±) cable at battery.
2) Remove front seat.
3) Remove console box.
4) Take off carpet till rear duct is totally exposed.
5) Remove rear duct.
INSTALLATION
Reverse removal sequence to install rear duct.

YH4
GRAND
VITARA
1. Cooling unit
2. Compressor
3. Condenser assembly
4. Receiver / dryer
5. Discharge hose
6. Suction hose
7. Condenser outlet pipe
8. Liquid pipe9. Expansion valve
10. Ventilation air
11. Foot air
12. Defroster air
13. Demister air
14. Fresh air
15. Recirculation air
16. Heater unit17. Air inlet box
18. Dual pressure switch
19. Low pressure charge valve
20. High pressure charge valve
21. Suction pipe
22. Sight glass
CAMI PRODUCTION VEHICLE IWATA PRODUCTION VEHICLE
AIR CONDITIONING (OPTIONAL) 1B-5
MAJOR COMPONENTS AND LOCATION

YH4
GRAND
VITARA
1. Blower motor main relay
2. Blower motor
3. Blower motor resistor
4. Blower motor switch
5. A / C controller
6. ECM
7. Heater mode control switch
8. Evaporator temperature sensor
9. Refrigerant pressure switch10. Compressor relay
11. Compressor
12. Condenser cooling fan relay
13. Condenser cooling fan
14. Fuse box
15. A / C fuse 25 A
16. Ignition switch
17. Main fuse box
18. Battery main fuse 80 A19. Battery
20. Generator
21. Ignition main fuse 60 A
22. Heater/A/C main fuse 60 A
23. Ignition / meter fuse 20 A
24. Rear defogger fuse 15 A
25. Heater fuse 30 A
26. Compressor thermal switch
(only IWATA production vehicle)
FOR LH VEHICLE
1B-16 AIR CONDITIONING (OPTIONAL)
WIRING CIRCUIT

YH4
GRAND
VITARA
AIR CONDITIONING (OPTIONAL) 1B-17
1. Blower motor main relay
2. Blower motor
3. Blower motor resistor
4. Blower motor switch
5. A / C controller
6. ECM
7. Heater mode control switch
8. Evaporator temperature sensor
9. Refrigerant pressure switch
FOR RH VEHICLE
10. Compressor relay
11. Compressor
12. Condenser cooling fan relay
13. Condenser cooling fan
14. Fuse box
15. A / C fuse 25 A
16. Ignition switch
17. Main fuse box
18. Battery main fuse 80 A19. Battery
20. Generator
21. Ignition main fuse 60 A
22. Heater/A/C main fuse 60 A
23. Ignition / meter fuse 20 A
24. Rear defogger fuse 15 A
25. Heater fuse 30 A
26. Compressor thermal switch
(only IWATA production vehicle)

YH4
GRAND
VITARA
1
For CAMI production vehicle
For IWATA production vehicle
1
AIR CONDITIONING (OPTIONAL) 1B-37
AIR FILTER ELEMENT
REMOVAL
1) Disconnect negative (±) cable at battery.
2) For vehicle with air bag system, disable air bag system. Refer
to ªDISABLING AIR BAG SYSTEMº in Section 10B.
3) Pull down glove box (1) by pushing the shown part (a).
4) Remove filter cover (1).
5) Pull out filter element (1). Pull out upper filter first then the lower
one.

YH4
GRAND
VITARA
1B-46 AIR CONDITIONING (OPTIONAL)
A / C CONTROLLER
REMOVAL
1) Disconnect negative (±) cable at battery.
2) Disable air bag system, if equipped.
Refer to ªDISABLING AIR BAG SYSTEMº in Section 10B.
3) Open glove box, then remove screw.
4) Remove glove box.
5) Disconnect A / C controller coupler (2), evaporator thermistor
coupler (3).
6) Remove A / C controller (1) from heater unit (4).
INSPECTION
Refer to ªINSPECTION OF A / C CONTROLLER AND ITS CIR-
CUITº in this section.
INSTALLATION
1) Install in reverse order of removal procedure.
2) If equipped with air bag system, enable air bag system. Refer to
ªENABLING AIR BAG SYSTEMº in Section 10B.

YH4
GRAND
VITARA
3-2 STEERING, SUSPENSION, WHEELS AND TIRES
ConditionPossible CauseCorrection
Abnormal or
Excessive Tire Wear
Sagging or broken springs.

Tire out of balance.

Disturbed front end alignment.

Faulty shock absorber.

Hard driving.

Overloaded vehicle.

Tires not rotating.

Worn or loose road wheel bearings.

Wobbly wheel or tires.

Tires not adequately inflated.Replace spring.
Adjust balance or replace tire.
Check front end alignment.
Replace shock absorber.
Replace tire.
Replace tire.
Replace or rotate tire.
Replace wheel bearing.
Replace wheel or tire.
Adjust the pressure.
Wheel Tramp
Blister or bump on tire.

Improper shock absorber action.Replace tire.
Replace shock absorber.
Shimmy, Shake or
Vibration
Tire or wheel out of balance.

Loose wheel bearings.

Worn tie rod ends.

Worn lower ball joints.

Excessive wheel runout.

Blister or bump on tire.

Excessively loaded radial runout of
tire / wheel assembly.

Disturbed front end alignment.

Loose or worn tie-rod end.

Loose steering gear case bolts.Balance wheels or replace tire and /
or wheel.
Replace wheel bearing.
Replace tie rod end.
Replace front suspension control
arm.
Repair or replace wheel and / or tire.
Replace tire.
Replace tire or wheel.
Check front end alignment.
Tighten or replace tie-rod end.
Tighten case bolts.
Hard Steering
Bind in tie rod end ball studs or
lower ball joints.

Disturbed front end alignment.

Rack and pinion not properly adjusted.
(if equipped with manual steering gear
case)

Tire not adequately inflated.

Bind in steering column.

Low fluid level, loose drive belt or
malfunction of power steering system.
(if equipped with P / S)Replace tie rod end or front
suspension control arm.
Check front end alignment.
Check and adjust steering gear box.
Inflate tires to proper pressure.
Repair or replace.
Check and correct.