MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Fig. 172: Refrigerant Pressure Graph

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 23. Check the refrigerant level.

Use the refrigerant recovery station to remove all of the refrigerant, and then
calculate the amount of the refrigerant and charge it.
Q: Is the refrigerant level correct?

YES:
Go to Step 24.
NO:
Correct the refrigerant level (Refer to
REFRIGERANT LEAK
REPAIR PROCEDURE
). Check that the air conditioning works
normally.
STEP 24. Replace the A/C-ECU.

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

Q: Does the A/C operate normally?

YES:
No action is necessary and testing is complete.
NO:
Replace the powertrain control module. Check that the air
conditioning works normally.
INSPECTION PROCEDURE 5: FRONT BLOWER FAN AND MOTOR DO NOT TURN
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Fig. 173: View Of Blower Motor Circuit Diagram

Courtes
y of MITSUBISHI MOTOR SALES OF AMERICA
.

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

Fig. 174: Identifying Fusible Link

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Fig. 175: Identifying Connectors C
-202, C
-211, C
-215 And C
-216

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor

Fig. 176: Identifying Connectors C
-16, C
-108 And C
-111

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CIRCUIT OPERATION If the blower motor does not operate, the blower relay system is suspected. TROUBLESHOOTING HINTS
Malfunction of the front blower relay Malfunction of the
power transistor

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

Malfunction of the front blower motor Malfunction of the A/C-ECU Damaged harness wires or connectors
DIAGNOSIS REQUIRED SPECIAL TOOLS:

MB991223: Test Harness Set STEP 1. Check front blower motor connector C-111 and A/C-ECU
connector C-16 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

Q: Are front blower motor connector C-111 and A/C-ECU connector C-16
in good condition?

YES:
Go to Step 2.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. The front blower motor should operate
normall
y.

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

Fig. 177: Locating Connectors C
-111 And C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

STEP 2. Measure the voltage at front blower motor connector C-111.

1. Disconnect front blower motor connector C-111, and measure the voltage
at the wiring harness side.
Fig. 178: Locating Connector C
-111

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Disconnect A/C-ECU connector C-16 and ground harness side terminal
No.9.
3. Turn the ignition switch to the "ON" position.

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

Fig. 179: Locating Connector C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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