Hyundai Santa Fe (2006 year). Manual — part 707
HA -206
HEATING, VENTILATION AND AIR CONDITIONING
1
2
3
4
6
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
*
* *
*
25
26
*
*
3
4
5
6
7
3. Motor
4. Motor
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
Ω
Ω
SCMHA6574L
4) Is the measured resistance within specifications?
YES
Go to "Check for short to ground in harness" procedure.
NO
Check for open in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure.
2.
Check for short to ground in harness.
1) Ignition "OFF"
2) Disconnect Driver mode Actuator.
3) Measure resistance between terminal "3,4" of Driver Direction Motor and chassis ground.
Specification : Approx. ∞ Ω
*
*
3
4
5
6
7
3. Motor
4. Motor
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
Ω
Ω
SCMHA6575L
4) Is the measured resistance within specifications?
YES
Go to "Visual/Physical Inspection " procedure.
NO
Check for short to ground in signal harness. Repair as necessary and go to "Verification of Vehicle Repair"
procedure.
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -207
VISUAL/PHYSICAL INSPECTION
E50E56B6
1.
Check actuator.
※
Check if Driver Direction Actuator works properly through ACTUATION TEST.
1) Ignition : ON
2) Connect Scantool and select " ACTUATION TEST" mode and press [F1]
DRIVER AIR OUTLET MODE-DRIVE FOOT
STRT
STOP
PRESS [STRT], IF YOU ARE READY!
DURATION
METHOD
CONDITION
UNTIL STOP KEY
ACTIVATION
IG. KEY ON
ENGINE RUNNING
1.3 ACTUATION TEST
Fig 3 : Selecting "ACTUATION TEST" mode.
Fig. 3
EQBF526D
3) Does Driver Direction Actuator work properly?
YES
Go to "Component Inspection" procedure.
NO
Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
COMPONENT INSPECTION
E2354556
1.
Check actuator.
1) Ignition "OFF"
2) Disconnect Driver Direction potentiometer.
3) Verify that the mode actuator operates to the vent mode when connecting 12V to the terminal "3" and grounding
terminal "4".
4) Verify that the mode actuator operates to the def mode when the connections are reversed.
HA -208
HEATING, VENTILATION AND AIR CONDITIONING
(-)
(+)
*
*
3
4
5
6
7
3. Motor
4. Motor
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
SCMHA6554L
5) Does the actuator work properly?
YES
Go to "Check potentiometer" procedure.
NO
Substitute with a known-good actuator and check for proper operation. If the problem is corrected, replace ac-
tuator and then go to "Verification of Vehicle Repair" procedure.
2.
Check potentiometer
1) Ignition "ON"
2) Connect Driver Direction potentiometer.
3) Measure voltage between terminal "5" and "6" of Driver Direction potentiometer as the mode switch is operated.
Specification : Refer the specifications in fig 3
*
*
3
4
5
6
7
3. Motor
4. Motor
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
v
SCMHA6555L
Door position
Voltage (5-6)
Error detecting
VENT
0.3 ± 0.15V
BI-LEVEL(1)
1.35 ± 0.4V
BI-LEVEL(2)
2.25 ± 0.4V
FLOOR
3.0 ± 0.4V
MIX
3.6 ± 0.4V
DEF
4.7 ± 0.15V
Under voltage : 0.08V or less
Over voltage : 4.92V or more
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -209
4.7V
2.5V
0.3V
DEF
VENT
Direction Potentiometer
Output
voltage
Fig 3) Specifications : Voltage value as a function of position of direction potentiometer.
Fig. 3
EQBF523J
4) Is the measured voltage within specifications in fig3?
YES
Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
Substitute with a known-good actuator and check for proper operation. If the problem is corrected, replace ac-
tuator and then go to "Verification of Vehicle Repair" procedure.
3.
Check A/C Control Unit.
1) Engine : "ON"
2) Connect A/C Control Unit.
3) Measure voltage between terminal "19" and "20" of A/C Control Unit while operating the mode switch.
Specification :Approx. 12V
1
2
3
4
6
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
*
* *
*
25
26
19 : Motor
20 : Motor
v
SCMHA6576L
4) Is the measured voltage within specifications?
YES
Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
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