Hyundai Santa Fe (2006 year). Manual — part 709
HA -214
HEATING, VENTILATION AND AIR CONDITIONING
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 Passenger Air Mix Actuator.
3) Measure resistance between terminal "3,4" of Passenger Air Mix Motor and chassis ground.
Specification : Approx. ∞ Ω
Ω
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
3
4
5
6
7
*
*
Ω
SCMHA6711L
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 -215
VISUAL/PHYSICAL INSPECTION
E24C54B8
1.
Check actuator.
※
Check if Passenger Air Mix Actuator works properly through ACTUATION TEST.
1) Ignition : ON
2) Connect Scantool and select " ACTUATION TEST" mode and press [F1]
PASSENGER AIR MIX DOOR - PASSENGER 50%
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
LQKG525D
3) Does Passenger Air Mix 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.
HA -216
HEATING, VENTILATION AND AIR CONDITIONING
COMPONENT INSPECTION
E760C3E3
1.
Check actuator motor.
1) Ignition "OFF"
2) Disconnect Passenger Air Mix Potentiometer.
3) Verify that the temperature actuator operates to the hot position when connecting 12V to the terminal "3" and
grounding terminal "4".
4) Verify that the temperature actuator operates to the cool position when the connections are reversed.
(-)
(+)
3
4
5
6
7
*
*
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
SCMHA6712L
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 Passenger Air Mix potentiometer.
3) Measure voltage between terminal "5" and "6" of Passenger Air Mix potentiometer while operating the temp.
switch.
Specification : Refer the specifications in fig 3)
3. Motor
4. Motor
7. Sensor reference voltage(+5V)
v
3
4
5
6
7
*
*
SCMHA6713L
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -217
Door position
Voltage (5-6)
Error detecting
MAX. Cooling
0.3 ± 0.15V
Low voltage : 0.08V or less
MAX. Heating
4.7 ± 0.15V
High voltage :4.9V or more
4.7V
2.5V
0.3V
WARM
COOL
AIR MIX Potentiometer
Output
voltage
Fig 3) Specifications : Voltage value of air mix potentiometer as a function of position of setting temperature.
Fig. 3
EQBF521J
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 "16" and "17" of A/C Control Unit while operating the temp. switch.
Specification :Approx. 12V
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