MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Q: Is the check result satisfactory?

YES:
The procedure is complete.
NO:
Return to Step 1 .
SYMPTOM CHART Fig. 19: Automatic Air Conditioning Symptom Chart

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y of MITSUBISHI MOTOR SALES OF AMERICA
.
CAUTION: During diagnosis, a DTC code associated with other
system may be set when the ignition switch is turned
on with connector(s) disconnected. On completion,
confirm all systems for DTC code(s). If DTC code(s)
are set, erase them all.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

SYMPTOM PROCEDURES INSPECTION PROCEDURE 12: REAR BLOWER FAN AND MOTOR DO NOT TURN NOTE: For test procedures for inspection procedures 1 through 10,
refer to SYMPTOM PROCEDURES
. For test procedure for
inspection procedure 11, refer to INSPECTION
PROCEDURE 6: CONDENSER FAN DOES NOT OPERATE
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 20: Rear Blower Fan Circuit Diagra
m
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Fig. 21: Identifying Fusible Link

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y of MITSUBISHI MOTOR SALES OF AMERICA
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 22: Identifying Connectors C
-19, C
-20 And C
-24
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2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 23: Identifying Connectors C
-209 And C
-213

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2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 24: Identifying Connector C
-16
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2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 25: Identifying Connectors C
-31 And C
-104

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CIRCUIT OPERATION If the rear blower motor does not operate, the rear blower relay system is suspected.TROUBLESHOOTING HINTS
Malfunction of the rear blower relay Malfunction of the resistor Malfunction of the rear blower motor Malfunction of the A/C-ECU The wiring harness or connectors may have loose, corroded, or damaged
terminals, or terminals pushed back in the connector
DIAGNOSIS
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Required Special Tool
:
MB991223: Test Harness Set STEP 1. Check rear blower motor connector C-20 for damage.

Fig. 26: Identifying Connector C
-20
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Q: Is rear blower motor connector C-20 in good condition?

YES:
Go to Step 2.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. The rear blower motor should operate
normally.
STEP 2. Measure the voltage at rear blower motor connector C-20.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

1. Disconnect rear blower motor connector C-20, and measure the voltage at
the wiring harness side.
2. Turn the ignition switch to the "ON" position.
3. Turn the blower speed selection dial to the "MAX" position.
4. Turn the mode selection dial to the "Face" position.
5. Turn the rear blower switch to the "ON" position.
Fig. 27: Identifying Connector C
-20
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6. Measure the voltage between terminal 3 and ground.
The measured value should be approximately 12 volts (battery positive volta
ge).

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor