2004 MITSUBISHI ENDEAVOR service

SERVICE POINTS
.
NO:
Repair the wiring harness. Check that the air conditioning works
normall
y.

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Refer to
HOW TO USE TROUBLESHOOTING/ INSPECTION
SERVICE POINTS
.
NO:
Repair the wiring harness. Check that the air conditioning works
normall
y.

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

YES:
It can be assumed that this malfunction is intermittent.
Refer to
HOW TO USE TROUBLESHOOTING/ INSPECTION
SERVICE POINTS
.
NO:
Repair the wiring harness. Check that the air conditioning works
normally.
Fig. 261: Locating Connector C
-17
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

DATA LIST REFERENCE TABLE
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
Fig. 269: Identifying Special Tools (2 Of 2)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

ON-VEHICLE SERVICE REFRIGERANT LEVEL TEST Use the refri
gerant recover
y station to remove all of the refri
gerant, and then

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Required Special Tools:

MB991658: Test Harness
1. Assemble a gauge manifold on the high pressure service valve.
2. Disconnect the A/C pressure sensor connector and connect special tool
MB991658 as shown in the illustration.
3. Turn ON the engine and then turn ON the air conditioner switch. Fig. 271: Identifying A/C Pressure Sensor Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
4. Connect the quick joint (for low-pressure) to the low-pressure service valve
and connect the quick joint (for high-pressure) to the high-pressure service
valve.
5. Start the engine.
6. Set the A/C controls as follows:
A/C switch: A/C - ON position Mode selection: FACE position Temperature control: MAXIMUM COOLING position Air selection: RECIRCULATION position Blower switch: Maximum air volume
7. Adjust engine speed to 1,500 r/min with A/C clutch engaged.
8. Engine should be warmed up with doors and windows closed.
9. Insert a thermometer in the center air outlet and operate the engine for 20
minutes.
CAUTION:
To connect the quick joint, press section A
firmly against the service valve until a click is
heard. When connecting, run your hand along the
hose while pressing to ensure that there are
no bends in the hose.
NOTE: The high-pressure service valve is on the A/C pipe and
the low-pressure service valve is on the suction hose.

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Fig. 281: Removing And Installing Heater Uni
t
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

REMOVAL SERVICE POINTS << A >> SUCTION PIPE AND LIQUID PIPE DISCONNECTION To prevent the entry of dust or other foreign bodies, plug the dismantled hose and
the nipples of the expansion valves. Fig. 282: Identifying Connectors

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.CAUTION: As the compressor oil and receiver are highly
moisture absorbent, use a non-porous material to
plug the hose and nipples.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Fig. 293: Removing And Installing Ambient Temperature Sensor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

REMOVAL SERVICE POINT << A >> AMBIENT AIR TEMPERATURE SENSOR REMOVAL To remove the ambient air tem
perature sensor, brea
k off the tab as shown.

2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor