MITSUBISHI ENDEAVOR 2004 Service Repair Manual
Page 2321 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
STEP 12. Check the wiring harness between defogger relay connector C-
201 (terminal 4) and defogger connector F-01 (terminal 1).
NOTE: Also check junction block connector F-03 and junction
block connector C-204 for loose, corroded, or damaged
terminals, or terminals pushed back in the connector. If
intermediate connector F-03 or junction block
connector C-204 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 2322 of 3870
Fig. 234: Locating Connectors C
-201 And C
-204
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2323 of 3870
Q: Is the wiring harness between defogger relay connector C-201
(terminal 4) and defogger connector F-01 (terminal 1) in good condition?
YES:
Replace the A/C-ECU. The defogger should operate normally.
NO:
Repair or replace the wiring harness. Refer to
HARNESS
CONNECTOR INSPECTION
. Check that the defogger system works
normall
y.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2324 of 3870
Fig. 235: Locating Connectors F
-01 And F
-03
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2325 of 3870
STEP 13. Check defogger connector F-05 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Is defogger connector F-05 in good condition?
YES:
Go to Step 14.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. Check that the defogger system works
normally.
Fig. 236: Locating Connector F
-05
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 14. Measure at defogger connector F-05 to check the ground circuit
to the defogger connector.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2326 of 3870
1. Disconnect defogger connector F-05, and measure at the wiring harness
side.
Fig. 237: Locating Connector F
-05
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Measure the resistance value between terminal 1 and ground.
The measured value should be 2 ohms or less.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2327 of 3870
Fig. 238: Measuring Resistance Between Terminal 1 And GroundCourtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Does the measured resistance value correspond with this range?
YES:
Go to Step 16 .
NO:
Go to Step 15.
STEP 15. Check the wiring harness between defogger connector F-05
(terminal 1) and ground.
Q: Is the wiring harness between defogger connector F-05 (terminal 1) and
ground in good condition?
YES:
No action is necessar
y and testin
g is com
plete.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2328 of 3870
NO:
Repair or replace the wiring harness. Refer to
HARNESS
CONNECTOR INSPECTION
. Check that the defogger system works
normally.
Fig. 239: Locating Connector F
-05
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 16. Check the defogger.
1. Let the engine run at 2,000 r/min, and check the printed heater with the
battery fully charged.
2. Turn on the defogger switch, and use a voltmeter to measure the voltage in
each printed heater at middle point A on the rear window glass.
The value should be approximately 6 volts.
Q: Does the defogger work normally?
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2329 of 3870
YES:
The procedure is complete.
NO:
Repair the defogger.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2330 of 3870
Fig. 240: Checking Defogger
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
INSPECTION PROCEDURE 9: DEFOGGER TIMER FUNCTION DOES NOT OPERATE CIRCUIT OPERATION Turn ON the defogger switch. If the defogger does not shut off after about 17
minutes then the defogger timer is malfunctioning. TROUBLESHOOTING HINT
Malfunction of the A/C-ECU Malfunction of the defogger timer
DIAGNOSIS Replace the A/C-ECU. INSPECTION PROCEDURE 10: MALFUNCTION OF THE A/C-ECU POWER SUPPLY SYSTEM
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor