Hyundai Santa Fe (2006 year). Manual — part 706
HA -202
HEATING, VENTILATION AND AIR CONDITIONING
VERIFICATION OF VEHICLE REPAIR
E0DD17DE
After a repair, it is essential to verify that the fault has been corrected.
1.
Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode and then clear DTC.
2.
Operate the vehicle and monitor the DTC on the scantool.
3.
Are any DTCs present?
YES
Go to the applicable troubleshooting procedure.
NO
System is performing to specification at this time.
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -203
DTC B2409 DIRECTION CONTROL MOTOR (DRIVER)
COMPONENT LOCATION
E106240B
Mode Control Actuator
SCMHA6709L
GENERAL DESCRIPTION
EF5781CF
The mode control actuator mounted on heater unit, adjusts position of mode door by operating Direction Motor based on
signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order of vent→ B/L →
floor → mix.
DTC DESCRIPTION
EC2E4DF8
The A/C controller sets DTC B2409 if the direction motor doesn’t move to intended position within 40sec(In this case, A/C
controller try to move mode door for 2sec. 3 times, every 20 sec. before setting DTC).
DTC DETECTING CONDITION
EC90DC02
Item
Detecting Condition
Possible cause
DTC Strategy
• Voltage check
Threshold value
• < 0.1V
Detecting time
• 0.3 sec
FAIL SAFE
-
• Poor connection of
connected part
• Open circuit in harness
• Short circuit in harness
• Faulty driver direction
potentiometer
• Fault A/C Control Unit.
HA -204
HEATING, VENTILATION AND AIR CONDITIONING
SPECIFICATION
E463272E
4.7V
2.5V
0.3V
DEF
VENT
Direction Potentiometer
Output
voltage
EQBF523B
MONITOR SCANTOOL DATA
E65417DD
1.
Connect scantool to Data Link Connector(DLC).
2.
Engine "ON"
3.
Monitor the "DR DIRECTION POTENTIO" parameter on the scantool while operating mode switch.
1.2 CURRENT DATA
FIX
SCRN FULL
PART GRPH HELP
14.0 C
12.0 C
12.0 C
13.0 C
0.00 V
84.69 %
32.5 %
255
HEATER WATER TEMP.SNSR
IN-CAR TEMP.SENSOR
AMBIENT AIR TEMP.SNS
EVAPORATIVE SENSOR
DRIVER PHOTO SENSOR
AIR MIX POPENTIO.(DR.)
DIRECTION POTENIO.DR.
PASSENGER PHOTO SENSOR
1.1 DIAGNOSTIC TROUBLE CODES
NUMBER OF DTC : 1 ITEMS
PART
ERAS
HELP
B2409 DRIVER DIRECTION MOTOR
Fig 1 : The current data in abnormal state.
Fig 2 : DTC B2409.
Fig. 1
Fig. 2
EQBF526A
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -205
4.
Are the DTC B2409 present and is parameter of "Driver DIRECTION POTENTIO." fixed?
※
There is any fault in Driver Direction Motor. If the parameter of "Driver DIRECTION POTENTIO." is 10% or less
on "VENT" mode, or If the parameter is 90% or more on "DEF" mode.
YES
Go to "Inspection" procedure.
NO
Fault is intermittent caused by poor contact in the sensor’s and/or A/C controller’s connector or was repaired and
A/C controller memory was not cleared. Thoroughly 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.
TERMINAL AND CONNECTOR INSPECTION
E445635C
1.
Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or
damage.
3.
Has a problem been found?
YES
Repair as necessary and go to "Verification of Vehicle Repair" procedure.
NO
Go to "Signal circuit inspection" procedure.
SIGNAL CIRCUIT INSPECTION
E1953B5C
1.
Check for open in harness.
1) Ignition "OFF"
2) Disconnect Driver mode Actuator.
3) Measure resistance between terminal "3,4" of Driver Direction Motor and terminal "19,20" of A/C control unit.
Specification : Approx. 0 Ω
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