2004 MITSUBISHI ENDEAVOR Rear end

Fig. 48: Identifying Connectors C
-20 And C
-24
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. When battery voltage is applied between the terminals 1 and 3, check that
the motor operates. Also, check that there is no abnormal noise.
Q: Is the check result satisfactory?

YES:
Replace the rear blower relay. The rear blower motor should operate
normally.
NO:
Go to Ste
p 14.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 49: Measuring Voltage Between Terminals 1 And 3

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 14. Check floor console rear A/C switch assembly connector C-19
for damage.

Q: Is floor console rear A/C switch assembly connector C-19 in good
condition?

YES:
Go to Step 15.
NO:
Repair or replace the connector. Refer to
HARNESS
CONNECTOR INSPECTION
. The rear blower motor should o
perate

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

normally.
Fig. 50: Identifying Connector C
-19
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 15. Check the floor console rear A/C switch assembly operation.

1. Disconnect floor console rear A/C switch assembl
y connector
C-19.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 52: Checking Floor Console Rear A/C Switch Assembly Operation

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Follow the table below to check the floor console rear A/C switch
assembly for continuity.
FLOOR CONSOLE REAR A/C SWITCH ASSEMBLY RESISTANCE

Q: Is the blower switch continuity in good condition?SWITCH
POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
MIN
1-3,3-5,3-6
Open circuit
LO
3-6
Less than 2 ohms
ME
1-3
Less than 2 ohms
HI(MAX)
3-5
Less than 2 ohms

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

YES:
Go to Step 16.
NO:
Replace the rear blower relay. The rear blower motor should operate
normally.
STEP 16. Measure the resistance at floor console rear A/C switch
assembly connector C-19 in order to the ground circuit to the rear blower
motor.

1. Disconnect floor console rear A/C switch assembly connector C-19, and
measure the voltage at the wiring harness side. Fig. 53: Locating Connector C
-19
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Measure the resistance value between terminal 3 and ground.
The measured value should be 2 ohms or less.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Fig. 54: Measuring Resistance Value Between Terminal 3 And Ground

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Q: Does the measured resistance value correspond with this range?

YES:
Go to Step 18 .
NO:
Go to Step 17.
STEP 17. Check the wiring harness between floor console rear A/C switch
assembly connector C-19 (terminal 3) and ground.

Q: Is the wiring harness between floor console rear A/C switch assembly

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

connector C-19 (terminal 3) and ground 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.
Fig. 55: Locating Connector C
-19
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STEP 18. Check the wiring harness between rear blower motor connector
C-20 (terminal 1) and floor console rear A/C switch assembly connector C-
19 (terminal 5)
.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor

Q: Is the wiring harness between rear blower motor connector C-20
(terminal 1) and floor console rear A/C switch assembly connector C-19
(terminal 5) 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
normall
y.

2004 Mitsubishi Endeavor LS
2004 HVAC Automatic Air Conditioning - Endeavor