Page 2225 of 3870
Fig. 156: Locating Connector C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Disconnect powertrain control module connector B-20 and ground harness
side terminal No.81.
3. Turn the ignition switch to the "ON" position.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2226 of 3870
Fig. 157: Locating Connector B
-20
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Measure the voltage between A/C-ECU connector C-16 terminal No.10
and
ground.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2227 of 3870
Fig. 158: Measuring Voltage Between Terminal No.10 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
The measured value should be approximately 12 volts (battery
positive voltage).
Q: Does the measured voltage correspond with this range?
YES:
Go to Step 18 .
NO:
Go to Ste
p 17.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2228 of 3870
Fig. 159: Measuring Voltage Between Terminal 10 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 17. Check the wiring harness between A/C compressor clutch relay
connector B-16X (terminal 4) and A/C-ECU connector C-16 (terminal 10).
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2229 of 3870
Fig. 160: Locating Connector B
-16X
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2230 of 3870
Fig. 161: Locating Connector C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between A/C compressor clutch relay connector
B-16X (terminal 4) and A/C-ECU connector C-16 (terminal 10) in good
condition?
YES:
It can be assumed that this malfunction is intermittent.
NOTE: Also check intermediate connectors A-13 and C-24 for
loose, corroded, or damaged terminals, or terminals
pushed back in the connector. If intermediate connector
A-13 or C-24 is damaged, repair or replace the
connector as described in HARNESS CONNECTOR
INSPECTION
.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2231 of 3870
Refer to
HOW TO USE TROUBLESHOOTING/ INSPECTION
SERVICE POINTS
.
NO:
Repair the wiring harness. Check that the air conditioning works
normally.
Fig. 162: Locating Connector A
-13
Courtes
y of MITSUBISHI MOTOR SALES OF AMERICA
.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2232 of 3870
Fig. 163: Locating Connector C
-24
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 18. Check the refrigerant temperature switch.
1. Dip the metal part of the cooling temperature switch into engine oil and
increase the oil temperature using a gas burner or similar.
CAUTION: Do not heat more than necessary.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor