MITSUBISHI ENDEAVOR 2004 Service Repair Manual
Page 2501 of 3870
The rear blower motor should operate normally. NO:
Go to Step 5.
STEP 5. Check the wiring harness between resistor connector C-21
(terminal 1, 3 and 6) and floor console rear A/C switch assembl
y connector
C-19 (terminal 5, 1 and 6).
Q: Is the wiring harness between resistor connector C-21 (terminal 1, 3
and 6) and floor console rear A/C switch assembly connector C-19
(terminal 5, 1 and 6) in good condition?
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2502 of 3870
Fig. 65: Identifying Connectors C
-19 And C
-21
Courtes
y of MITSUBISHI MOTOR SALES OF AMERICA
.
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2503 of 3870
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.
DATA LIST REFERENCE TABLE DATA LIST REFERENCE
CHECK AT A/C-ECU TERMINAL SCAN TOOL
(MUT-III)
DISPLAY
ITEM NO.
INSPECTION
ITEM
INSPECTION
REQUIREMENT
NORMAL
VALUE
Inside
temperature
sensor
01
Interior
temperature
sensor
Ignition switch:
ON
Inside air
temperature
and
temperature
displayed on
the scan tool
are identical.
Photo sensor
06
Photo sensor
Ignition switch:
ON
Amount o
f
light is
proportional to
voltage
displayed on
the scan tool.
NOTE: For the data list items other than above, refer to DATA LIST REFERENCE TABLE
.
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2504 of 3870
Fig. 66: Identifying A/C
-ECU Terminal
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2505 of 3870
Fig. 67: A/C
-ECU Terminal Chart
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
SPECIAL TOOLS
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2506 of 3870
Fig. 68: Identifying Special Tools
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
ON-VEHICLE SERVICE POWER RELAY CHECK REAR BLOWER RELAY CONTINUITY CHECK
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2507 of 3870
Fig. 69: Identifying Power Relay Check
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2508 of 3870
REAR BLOWER RELAY CONTINUITY CHEC
K
REAR BLOWER UNIT REMOVAL AND INSTALLATION Fig. 70: Removing And Installing Rear Blower Unit
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
BATTERY VOLTAGE
TESTER
CONNECTION
SPECIFIED
CONDITION
Not applied
1 - 4
Open circuit
Connect terminal 3 to the
positive battery terminal
Connect terminal 2 to the
negative battery terminal
1 - 4
Less than 2 ohms
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2509 of 3870
INSPECTION RESISTER CHECK Use an ohmmeter to measure the resistance between the terminals. Check that the
measured resistance is at the standard value.
Standard value:
REAR BLOWER RELAY CONTINUITY CHECK
Fig. 71: Identifying Standard ValueMEASUREMENT TERMINAL
STANDARD VALUE
Between terminals 1 and 3 (ME)
2.2
Between terminals 1 and 6 (LO)
9.7
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor
Page 2510 of 3870
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA
.
BLOWER FAN AND MOTOR CHECK When battery voltage is applied between the terminals, check that the motor
operates. Also, check that there is no abnormal noise.
Fig. 72: Checking Blower Fan And Motor
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
FLOOR CONSOLE REAR A/C SWITCH ASSEMBLY CHECK Follow the table below to check the floor console rear A/C switch assembly for
continuity.
2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor