2004 MITSUBISHI ENDEAVOR air conditioning

Fig. 34: Identifying Connector C
-16
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 35: Identifying Connector C
-209

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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. 36: Identifying Connector C
-104

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Is the wiring harness between A/C-ECU connector C-16 (terminal 7)
and rear blower relay connector C-209 (terminal 3) in good condition?

YES:
Replace the A/C-ECU, and check that the rear blower motor should
operate normally.
NO:
Repair the wiring harness. The rear blower motor should operate
normally.
STEP 8. Measure the voltage at rear blower relay connector C-209.

1. Disconnect rear blower relay connector C-209, and measure the voltage at
the
junction block side.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 37: Identifying Connector C
-209

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Measure the voltage between terminal 4 and ground.
The measured value should be approximately 12 volts (battery
positive voltage).

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 38: Measuring Voltage Between Terminal 4 And Ground

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Is the measured voltage approximately 12 volts?

YES:
Go to Step 10 .
NO:
Go to Step 9.
STEP 9. Check the wiring harness between rear blower relay connector C-
209 (terminal 4) and fusible link (1).

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 39: Identifying Fusible Link

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 40: Identifying Connectors C
-209

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-31. If intermediate
connector C-31 is damaged, repair or replace the
connector as described in HARNESS CONNECTOR
INSPECTION
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 41: Identifying Connector C
-31
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Is the wiring harness between rear blower relay connector C-209
(terminal 4) and fusible link (1) in good condition?

YES:
It can be assumed that this malfunction is intermittent. Refer to
HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS
.
NO:
Repair the wiring harness. The rear blower motor should operate
normally.
STEP 10. Measure the resistance at rear blower relay connector C-209 in
order to the ground circuit to the rear blower relay.

1. Disconnect rear blower relay connector C-209, and measure at the
junction block side.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor