MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
Q: Is the sensor within the specified range?

YES:
It can be assumed that this malfunction is intermittent. Refer to
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
. Then go to Step 7 .
NO:
Go to Step 4.
STEP 4. Check A/C-ECU connector C-16, C-17 and interior temperature
sensor connector C-120 for loose, corroded or damaged terminals, or
terminals pushed back in the connector
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 12: Identifying Connectors C
-16 & C
-17
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 13: Identifying Connector C
-120

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Are A/C-ECU connector C-16, C-17 and interior temperature sensor
connector C-120 in good condition?

YES:
Go to Step 5.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Then go to Step 7 .
STEP 5. Check the wiring harness between A/C-ECU connector C-16
(terminals 20), C-17 (terminals 22) and interior temperature sensor
connector C-120 (terminals 1 and 2)
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 14: Identifying Connectors C
-16 And C
-17
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 15: Identifying Connectors C
-104 And C
-120

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Are the wiring harnesses between A/C-ECU connector C-16 (terminals
20), C-17 (terminals 22) and interior temperature sensor connector C-120
(terminals 1 and 2) in good condition?

YES:
Go to Step 6.
NO:
Repair the wiring harness. Then go to Step 7 .
STEP 6. Check the interior temperature sensor.

1. Disconnect interior tem
perature sensor connector C-120.
NOTE: Also check joint connector C-104 for loose, corroded,
or damaged terminals, or terminals pushed back in the
connector. If joint connector C-104 is damaged, repair
or replace the connector as described in HARNESS
CONNECTOR INSPECTION
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 16: Identifying Connector C
-120

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. When the resistance between the sensor terminals is measured under two
or more temperature conditions, the resistance should approximately
satisfy the illustrated values.
NOTE: The temperature conditions when checking should
not exceed the range shown in the diagram.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 17: Temperature Resistance Graph

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Is the interior temperature sensor in good condition?

YES:
Replace the A/C-ECU. Then go to Step 7.
NO:
Replace the interior temperature sensor. Then go to Step 7.
STEP 7. Recheck for diagnostic trouble code.

Check again if the DTC is set.
1. Connect scan tool MB991958 to the data link connec
tor

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

2. Turn the ignition switch to the "ON" position.
3. Check if the DTC is set.
4. Turn the ignition switch to the "LOCK" (OFF) position.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 18: Connecting Scan Tool MB991958 To Data Link Connector

Cou
rtesy
of MIT
SU
BI
SHI M
OTOR SALE
S OF AMERI
CA.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor