Page 2377 of 3870
Fig. 279: Identifying Fan Control Relay
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2378 of 3870

FAN CONTROL RELAY CONTINUITY CHART
IDLE-UP OPERATION CHECK 1. Before inspection and adjustment, set vehicle in the following condition:
Engine coolant temperature: 80 - 90 °C (176.0 - 194.0 °F) Lights, electric cooling fan and accessories: OFF Transmission: Neutral ("N" or "P" position) Steering wheel: Straightforward
2. Check whether or not the idle speed is the standard value.
Refer to
CURB IDLE SPEED CHECK
.
Standard value: 680 +/- 50 r/min
3. Turn on the air conditioning switch and the blower speed selection dial. Engine
idling speed should be within the standard value:
Standard value
At low pressure: 680 +/- 50 r/min
At middle pressure: 730 +/- 50 r/min
At high pressure: 750 +/- 50 r/min
BATTERY VOLTAGE
TESTER
CONNECTION
SPECIFIED
CONDITION
Not applied
2 - 4
Open circuit
Connect terminal 1 to the
positive battery terminal
Connect terminal 3 to the
negative battery terminal
2 - 4
Less than 2 ohms
NOTE: The powertrain control module determines whether the
A/C load is low or high according to the output signal
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2379 of 3870
HEATER CONTROL ASSEMBLY AND A/C SWITCH REMOVAL AND INSTALLATION Fig. 280: Removing And Installing Heater Control Assembly
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND EVAPORATOR
UNIT
from the A/C-ECU.
NOTE: It is not necessary to make an adjustment, because the
idling speed is automatically adjusted by the ISC
system. If, however, a deviation from the standard value
occurs for some reason, check the ISC system. (Refer
to CURB IDLE SPEED CHECK
).
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2380 of 3870
REMOVAL AND INSTALLATIONPre-removal and Post-installation Operation
Refrigerant draining and Refilling (Refer to
CHARGING
and
DISCHARGING
.)
Engine coolant Draining and Refilling (Refer to
13. ENGINE COOLANT
(CHANGE)
.)
Instrument Panel Removal and Installation (Refer to
REMOVAL AND
INSTALLATION
.)
Steering Column Shaft Assembly Removal and Installation (Refer to REMOVAL AND INSTALLATION
.)
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2381 of 3870
Fig. 281: Removing And Installing Heater Uni
t
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
REMOVAL SERVICE POINTS << A >> SUCTION PIPE AND LIQUID PIPE DISCONNECTION To prevent the entry of dust or other foreign bodies, plug the dismantled hose and
the nipples of the expansion valves. Fig. 282: Identifying Connectors
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.CAUTION: As the compressor oil and receiver are highly
moisture absorbent, use a non-porous material to
plug the hose and nipples.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2382 of 3870
Fig. 283: Identifying Connectors
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2383 of 3870
Fig. 284: Identifying Connectors
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor
Page 2384 of 3870
Fig. 285: Identifying Connectors C
-310 And C
-308
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
<< B >> FRONT DECK CROSSMEMBER ASSEMBLY REMOVAL Disconnect the following connectors to gain access to the front deck crossmember. CONNECTOR DESCRIPTION
Connector
number
Connector name
C-11
AUDIO AMPLIFIER
C-12
AUDIO AMPLIFIER
INSTRUMENT PANEL WIRING HARNESS AND FRONT
2004 Mitsubishi Endeavor LS
2004 HVAC Heater Air Conditioning, Ventilation - Endeavor