MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Fig. 118: Identifying Connectors C
-211 And C
-215

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CIRCUIT OPERATION If the outside/inside air selection damper control motor does not operate normally,
the outside/inside air selection damper control motor system may be defective. TROUBLESHOOTING HINTS
Malfunction of the outside/inside air selection damper control motor Malfunction of the A/C-ECU Damaged harness wires or connectors
DIAGNOSIS REQUIRED SPECIAL TOOL:

MB991223: Test Harness Set

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

STEP 1. Check the defogger and A/C operations.

Q: Do the defogger and A/C work normally?

YES:
Go to Step 2.
NO:
Refer to
INSPECTION PROCEDURE 10 MALFUNCTION OF
THE A/C
-ECU POWER SUPPLY SYSTEM
.
STEP 2. Check outside/inside air selection damper control motor
connector C-106 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

Q: Is outside/inside air selection damper control motor connector C-106 in
good condition?

YES:
Go to Step 3.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Check that the outside/inside air
selection dam
per control motor works normall
y.

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

Fig. 119: Locating Connector C
-106

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 3. Measure the voltage at outside/inside air selection damper control
motor connector C-106.

1. Disconnect outside/inside air selection damper control motor connector C-
106, and measure the voltage at the harness side.
2. Turn the i
gnition switch to the "ON"
position.

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

Fig. 120: Locating Connector C
-106

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. Measure the voltage between terminal 1 and ground.
The measured value should be approximately 12 volts (battery
positive voltage).
Q: Does the measured voltage correspond with this range?

YES:
Go to Step 5 .
NO:
Go to Ste
p 4.

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

Fig. 121: Measuring Voltage Between Terminal 1 And Ground

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 4. Check the wiring harness between outside/inside air selection
damper control motor connector C-106 (terminal 1) and the ignition
switch (IG2).


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

Fig. 122: Locating Connector C
-106

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Is the wiring harness between outside/inside air selection damper
control motor connector C-106 (terminal 1) and the ignition switch (IG2)
in good condition?

YES:
It can be assumed that this malfunction is intermittent. Refer to
NOTE: Also check joint connector C-103, junction block
connectors C-211 and C-215 for loose, corroded, or
damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-103, junction
block connector C-211 or C-215 is damaged, repair or
replace the connector as described in HARNESS
CONNECTOR INSPECTION
.

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

HOW TO USE TROUBLESHOOTING/ INSPECTION SERVICE POINTS
.
NO:
Repair the wiring harness. Check that the outside/inside air selection
damper control motor works normally.
Fig. 123: Locating Connector C
-103

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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

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

Fig. 124: Locating Connectors C
-211 And C
-215

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 5. Check the outside/inside air selection damper control motor.

Fig. 125: Identifying Damper Control Motor Inside/Outside Air Position

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Check the outside/inside air selection damper control motor by the following
procedures.
CAUTION: Cut off the battery voltage when the damper is in
the inside/outside air position.

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

Fig. 126: Outside/Inside Air Selection Damper Control Motor Checking Procedure

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Does outside/inside air selection damper control motor work normally?
YES:
Go to Step 6.
NO:
Replace the outside/inside air selection damper control motor. Check
that the outside/inside air selection damper control motor works normally.
STEP 6. Check A/C-ECU connector C-16 for damage.

Q: Is A/C-ECU connector C-16 in good condition?

YES:
Go to Ste
p 7.

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