Page 2217 of 3870
The measured value should be approximately 12 volts (battery
positive voltage).
Q: Is the measured voltage approx. 12 volts?
YES:
Go to Step 13 .
NO:
Go to Step 12.
Fig. 148: Measuring Voltage Between Connector Terminal 1 And Ground
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 12. Check the wiring harness between A/C compressor clutch relay
connector B-16X
(terminal 1
) and the batter
y.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2218 of 3870
Fig. 149: Locating Connector B
-16X
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between A/C compressor clutch relay connector
B-16X (terminal 1) and the battery in good condition?
YES:
It can be assumed that this malfunction is intermittent.
Refer to
HOW TO USE TROUBLESHOOTING/ INSPECTION
SERVICE POINTS
.
NOTE: Also check intermediate connector A-13 for loose,
corroded, or damaged terminals, or terminals pushed
back in the connector. If intermediate connector A-13 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 2219 of 3870
NO:
Repair the wiring harness. Check that the air conditioning works
normally.
STEP 13. Check the wiring harness between A/C compressor clutch relay
connector B-16X (terminal 4) and A/C compressor connector B-114
(terminal 1).
Q: Is the wiring harness between A/C compressor clutch relay connector
B-16X (terminal 4) and A/C compressor connector B-114 (terminal 1) in
good condition?
YES:
Go to Step 14.
NO:
Repair the wiring harness. Check that the air conditioning works
normally.
Fig. 150: Locating Connector A
-13
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2220 of 3870
Fig. 151: Locating Connectors B
-16X And B
-114
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2221 of 3870
Fig. 152: Locating Connectors B
-16X And B
-114
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 14. Check the wiring harness between powertrain control module
connector B-20 (terminal 81) and A/C compressor clutch relay connector
B-16X (terminal 3).
Q: Is the wiring harness between powertrain control module connector B-
20 (terminal 81) and A/C compressor clutch relay connector B-16X
(terminal 3) in good condition?
YES:
It can be assumed that this malfunction is intermittent.
Refer to
HOW TO USE TROUBLESHOOTING/ INSPECTION
SERVICE POINTS
.
NO:
Re
pair the wirin
g harness. Check that the air con
ditionin
g works
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2222 of 3870
normally.
Fig. 153: Locating Connector B
-16X
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2223 of 3870
Fig. 154: Locating Connector B
-20
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 15. Check A/C-ECU connector C-16 for loose, corroded or dama
ged
terminals, or terminals pushed back in the connector.
Q: Is A/C-ECU connector C-16 in good condition?
YES:
Go to Step 16.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Check that the air conditioning works
normally.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2224 of 3870
Fig. 155: Locating Connector C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 16. Measure the voltage at A/C-ECU connector C-16.
1. Disconnect A/C-ECU connector C-16 and measure the voltage at the relay
box side.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor