2004 MITSUBISHI ENDEAVOR air conditioning

Fig. 43: Connectin
g Scan Tool MB991958 To Data Link Connector

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

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
STEP 4. Check A/C pressure sensor connector A-28 for loose, corroded or
damaged terminals, or terminals pushed back in the connector.

Q: Is A/C pressure sensor connector A-28 in good condition?

YES:
Go to Step 5.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Then go to Step 8 .
Fig. 44: Locating Connector A
-28
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 5. Check the A/C
pressure sensor
.

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

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. 45: Checking A/C Pressure Sensor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

Fig. 46: Connecting Special Tool (MB991658) To Harness Side

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. At this time, check to see that the voltage of A/C pressure sensor terminal
No.2 reflects the specifications of the figure.
Q: Is the A/C pressure sensor in good condition?

YES:
Go to Step 6.
NO:
Replace the A/C pressure sensor. Then go to Step 8 .
NOTE: The allowance shall be defined as +/-5%.

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

Fig. 47: A/C Pressure Sensor Terminal Graph

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 6. Check A/C-ECU connectors C-16, C-17 for loose, corroded or
damaged terminals, or terminals pushed back in the connector.

Q: Are A/C-ECU connectors C-16, C-17 in good condition?

YES:
Go to Step 7.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Then
go to Ste
p 8 .

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

Fig. 48: Locating Connectors C
-16 And C
-17
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

STEP 7. Check the wiring harness between A/C-ECU connector C-16
(terminal 12), C-17 (terminals 34 and 26) and A/C pressure sensor
connector A-28 (terminals 3, 1 and 2).

Fig. 49: Locating Connector A
-28
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

Fig. 50: Locating Connectors C
-16 And C
-17
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.


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