Mitsubishi Space Star. Manual - part 139

 

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Mitsubishi Space Star. Manual - part 139

 

 

General/Lubricants/Troubleshooting

HEATER AND MANUAL AIR CONDITIONER – 

55A-2

GENERAL

OUTLINE OF CHANGE



The compressor oil capacity has been changed to correspond to the adoption of the F9Q1 engine.



Service adjustment procedures for the condenser assembly have been added to correspond to the
adoption of the F9Q1 engine.



Service adjustment procedures for the refrigerant line have been added to correspond to the adoption
of the F9Q1 engine.

LUBRICANTS

Item

Brand

Capacity

Compressor oil   mL

SUN PAG 56

135

Pipe connections

SUN PAG 56

As required

TROUBLESHOOTING

ENGINE-ECU TERMINAL CHECKS

Terminal
No.

Check item

Check condition

Normal 
condition

2

Fan controller output

A/C switch: OFF

5 V

A/C switch: ON

0 V

3

A/C compressor relay input

A/C compressor relay: OFF

0 V

A/C compressor relay: ON

System voltage

103

Condenser fan relay output (LO)

Condenser fan relay (LO): OFF

0 V

Condenser fan relay (LO): ON

System voltage

128

Condenser fan relay output (HI)

Condenser fan relay (HI): OFF

0 V

Condenser fan relay (HI): ON

System voltage

Troubleshooting/On-vehicle Service

HEATER AND MANUAL AIR CONDITIONER – 

55A-3

AUTO COMPRESSOR-ECU TERMINAL CHECKS

X 0 2 9 9 A Q

Terminal
No.

Check item

Check condition

Normal 
condition

1

A/C switch input

A/C switch: OFF

0 V

A/C switch: ON

3 V or more

2

A/C compressor relay output

A/C switch: OFF

0 V

A/C switch: ON

System voltage

4

Earth

At all times

0 V

O N - V E H I C L E  S E RV I C E

S I M P L E  I N S P E C T I O N  O F  T R I P L E
P R E S S U R E  S W I T C H

(1) Disconnect the triple pressure switch connector.
(2) Connect a gauge manifold to the refrigerant line

high-pressure side service valve.

(3) There should be continuity between the terminals when

the high and low pressure side and the medium side at
the A/C pressure switch are under operating pressure (ON).
If no continuity, replace the switch.

High/Low
pressure side

Low-pressure
side

High-pressure side

ON

OFF

Medium
pressure
side

ON

OFF

Medium-pressure side

Pressure
(kPa)

Y0142AJ

Pressure
(kPa)

HEATER AND MANUAL AIR CONDITIONER

 

– 

Condenser Assembly

55A-4

CONDENSER ASSEMBLY

REMOVAL AND INSTALLATION

Pre-removal and Post-installation Operations



Refrigerant draining and filling



Hood latch lever assembly and center air guide panel removal and installation (Refer to GROUP 42.)

1

2

Y0062AJ

3

4

5

Condenser removal steps



Discharge flexible hose connection



Liquid pipe A connection

1. Condenser assembly

Condenser fan removal steps

2. Shroud assembly
3. Condenser fan
4. Fan motor
5. Shroud

 

 

 

 

 

 

 

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