battery ISUZU AXIOM 2002 Service User Guide

1A±16
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Rear Heater Duct, Defroster Nozzle and Ventilation Duct
Rear Heater Duct, Defroster Nozzle, Ventilation Duct and Associated Parts
840R200009
Legend
(1) Defroster Nozzle
(2) Cross Beam Assembly
(3) Center Ventilation Duct and Side Defroster
Duct(4) Instrument Panel Bracket W/Suspension
Control Unit
(5) Instrument Panel Assembly
(6) Rear Heater Duct
(7) Ventilation Lower Duct
Removal
1. Disconnect the battery ground cable.
2. Remove instrument panel assembly.

Refer to
Instrument Panel Assembly in Body and
Accessories section.
3. Remove center ventilation duct and side defroster
duct.

Remove 5 screws.4. Remove instrument panel brackets w/suspension
control unit.

Refer to
Cross Beam Assembly in Body and
Accessories section.
5. Remove cross beam assembly.

Refer to
Cross Beam Assembly in Body and
Accessories section.
6. Remove ventilation lower duct.

1A±30
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Chart ªAº Condenser Fan Does Not Run
StepActionYe sNo
1Are 30A fuse normal?Go to Step 2Replace
2Is relay (X-16) normal?Go to Step 3Replace
3Is pressure switch normal?
Go to Step 4
Switch defective
or insufficient
refrigerant.
4Is fan motor normal?Go to Step 5Replace
51. Disconnect condenser fan relay (X-16).
2. Check to see if battery voltage is present at the chassis side
relay terminal NO. X16-5.
Is there a battery voltage?
Go to Step 6
Repair open
circuit between
Condenser Fan
fuse (30A) and
No.X16-5.
61. Reconnect condenser fan relay (X-16).
2. Check to see if battery voltage is present at chassis side
connector terminal No.C21-3.
Is there a battery voltage?
Go to Step 7
Repair open
circuit between
fuse (10A) and
C21-3.
7Check to see if continuity between chassis side relay terminal
No.X16-2 and the chassis side connector terminal No.C21-4.
Is there a continuity?
Go to Step 8
Repair open
circuit.
8Check to see if continuity between chassis side connector
terminal No. C16-1 and chassis side relay terminal No.X16-1.
Is there a continuity?Poor ground or
open circuit
between chassis
side connector
terminal
No.X16-4 (or
No.C16-2) and
body ground
(No.C10).
Repair open
circuit.
Chart ªBº Condenser Fan Does Not Stop
StepActionYe sNo
11. Disconnect the triple pressure connector.
Does condenser fan stop?
Replace the triple
pressure switch.
Replace the
condenser fan
relay.

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±31
Air Conditioning System
Individual Inspection
Triple Pressure Switch (V6, A/T)
1. Disconnect the connector and check for continuity
between pressure switch side connector terminals (1)
and (2).
2. Reconnect the connector to activate the A/C switch,
and check to see if there is continuity between the
chassis side connector terminals (3) and (4) and the
fan operates.
875RY00010
Condenser Fan
1. Disconnect the condenser fan connector.
2. Connect the battery positive terminal to the
condenser fan side connector terminal No.C-16-1
and negative to the No.C-16-2.
3. Check that condenser fan is rotating correctly.
875R200002
General Repair Procedure
Precautions For Replacement or Repair of
Air Conditioning Parts
There are certain procedures, practices and precautions
that should be followed when servicing air conditioning
systems:

Keep your work area clean.

Always wear safety goggles and protective gloves
when working on refrigerant systems.

Beware of the danger of carbon monoxide fumes
caused by running the engine.

Beware of discharged refrigerant in enclosed or
improperly ventilated garages.

Always disconnect the negative battery cable and
discharge and recover the refrigerant whenever
repairing the air conditioning system.

When discharging and recovering the refrigerant, do
not allow refrigerant to discharge too fast; it will draw
compressor oil out of the system.

Keep moisture and contaminants out of the system.
When disconnecting or removing any lines or parts,
use plugs or caps to close the fittings immediately.
Never remove the caps or plugs until the lines or parts
are reconnected or installed.

When disconnecting or reconnecting the lines, use
two wrenches to support the line fitting, to prevent
from twisting or other damage.

Always install new O-rings whenever a connection is
disassembled.

Before connecting any hoses or lines, apply new
specified compressor oil to the O-rings.

When removing and replacing any parts which
require discharging the refrigerant circuit, the
operations described in this section must be
performed in the following sequence:
1. Use the J-39500 (ACR
4: HFC-134a Refrigerant
Recovery / Recycling / Recharging / System) or
equivalent to thoroughly discharge and recover the
refrigerant.
2. Remove and replace the defective part.
3. After evacuation, charge the air conditioning
system and check for leaks.

1A±38
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Compressor Assembly
Compressor Assembly and Associated Parts (6VE1)
852R100002
Legend
(1) Compressor Bracket
(2) Magnetic Clutch Harness Connector
(3) Compressor
(4) O-ring(5) To Evaporator
(6) Suction Line (Low-Pressure Hose)
(7) Discharge Line (High-Pressure Hose)
(8) To Condenser
(9) Serpentine Belt
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant

Refer to
Refrigerant Recovery in this section.
3. Disconnect magnetic clutch harness connector.

1A±40
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Condenser Assembly
Condenser Assembly and Associated Parts
875R200022
Legend
(1) Refrigerant Line
(2) Pressure Switch Connector
(3) Condenser & Receiver Tank Assembly
(4) Condenser Air Guide
(5) Front Bumper Assembly(6) Engine Hood Front End W/Engine Hood Lock
& Bumper Stay
(7) Front Center Bumper Retainer
(8) Front Side Bumper Retainer (RH)
(9) Head Light (R/LH)
(10) Front Side Turn Signal Light (R/LH)
(11) Horn (R/LH)
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove front center bumper retainer.
5. Remove front side bumper retainer (RH).
6. Remove condenser air guide.
7. Remove engine hood front end with engine hood lock
& bumper stay.

Apply setting mark to the engine hood lock fixing
position before removing it.

1A±42
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Condenser Fan Motor
Condenser Fan Motor and Associated Parts
875R200016
Legend
(1) Condenser Fan Assembly
(2) Condenser Air Guide
(3) Front Bumper Assembly(4) Condenser Fan Motor
(5) Shroud
(6) Fan
(7) Horn (RH)
Removal
1. Disconnect the battery ground cable.
2. Remove the front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
3. Remove the condenser air guide.
4. Remove the horn (RH).
5. Remove the condenser fan assembly.

Disconnect the fan motor connector and remove
the 3 fixing bolts.
6. Remove the shroud.

Remove the 3 fixing nuts.

Loosen the condenser fixing nut and disconnect the
fan motor connector from bracket.
7. Remove the fan.

Remove the fan fixing C-ring and plate.
8. Remove the condenser fan motor.
Installation
To install, follow the removal steps in the reverse order,
noting the following point.
1. Route the fan motor harness in its previous position,
and fix it securely with clip and bracket.

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±43
Receiver / Drier
Receiver / Drier and Associated Parts
875R200019
Legend
(1) Front Side Turn Signal Light (LH)
(2) Refrigerant Line
(3) Head Light (LH)
(4) Front Bumper Assembly
(5) Receiver / Drier
(6) Pressure Switch Connector
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove front side turn signal light (LH).
5. Remove head light (LH).
6. Disconnect pressure switch connector.
7. Disconnect refrigerant line.

When removing the line connected part, the
connecting part should immediately be plugged or
capped to prevent foreign matter from being mixed
into the line.
8. Remove receiver/drier.

Loosen the bolt, then, using care not to touch or
bend the refrigerant line, carefully pull out the
receiver/drier.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
1. If installing a new receiver/drier, be sure to add 30cc
(1.0 fl. oz.) of new compressor oil to a new one.
2. Put the receiver/drier in the bracket and connect with
the refrigerant line. Check that no excessive force is
imposed on the line. Fasten the bracket bolt to the
receiver/drier.
3. Tighten the refrigerant line to the specified torque.
Torque: 6 Nwm (52 lb in)
4. O-rings cannot be reused. Always replace with new
ones.
5. Be sure to apply new compressor oil to the O-rings
when connecting the refrigerant line.

1A±44
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Pressure Switch
Pressure Switch and Associated Parts
875R200021
Legend
(1) Pressure Switch Connector
(2) Front Side Turn Signal Light (LH)
(3) Head Light (LH)
(4) Front Bumper Assembly
(5) Pressure Switch
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
ªRefrigerant Recovery in this section.
3. Remove the front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove the front side turn signal light (LH).
5. Remove the head light (LH).
6. Disconnect pressure switch connector.
7. Disconnect pressure switch.

When removing the switch connected part, the
connecting part should immediately be plugged or
capped to prevent foreign matter from being mixed
into the line.
Installation
To install, follow the removal steps in the reverse order,
noting the following point:
1. O-ring cannot be reused. Always replace with a new
one.
2. Be sure to apply new compressor oil to the O-ring
when connecting pressure switch.
3. Tighten the pressure switch to the specified torque.
Torque: 13 Nwm (113 lb in)

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±45
Evaporator Assembly
Evaporator Assembly and Associated Parts
874R200015
Legend
(1) Refrigerant Line
(2) Drain Hose
(3) Dash Side Trim Panel
(4) Power Transistor and Duct Sensor Connector(5) Passenger Lower Bracket
(6) Sill Plate
(7) Evaporator Assembly
(8) Glove Box
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove glove box.
4. Disconnect power transistor (2) and duct sensor
connector (1).
5. Remove sill plate.
6. Remove dash side trim panel.
7. Remove passenger lower bracket.
8. Disconnect drain hose.
874R200005

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±47
Duct Sensor, Evaporator Core and/or Expansion Valve
Disassembled View
874R200012
Legend
(1) Lining
(2) Expansion Valve
(3) O-ring
(4) Evaporator Assembly
(5) Lower Case(6) Clip
(7) Attaching Screw
(8) Evaporator Core
(9) Duct Sensor
(10) Upper Case
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove evaporator assembly.

Refer to
Evaporator Assembly in this section.
4. Remove the duct sensor fixing clip.
Pull the sensor from the evaporator assembly.
5. Remove clip.
6. Remove attaching screw.
7. Remove upper case.
8. Remove lower case.

Slit the case parting face with a knife since the lining
is separated when removing the evaporator.
874RS006