Hyundai Santa Fe (2006 year). Manual — part 681
HA -102
HEATING, VENTILATION AND AIR CONDITIONING
1.2 CURRENT DATA
FIX
SCRN FULL
PART GRPH HELP
-2 C
12.0 C
11.5 C
12.5 C
0.00 V
91.75 %
54.89 %
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
B1203 WATER TEMP. SENS - SHORT(LOW)
Fig 1 : The current data in abnormal state.
Fig 2 : DTC B1203.
Fig. 1
Fig. 2
EQBF513A
4.
Are the DTC B1203 present and is parameter of "WATER TEMP. SENSOR" fixed?
※
Parameter of "WATER TEMP. SENSOR" will be fixed at -2℃(28.4 F), if there is any fault in WATER TEMP. SEN-
SOR.
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
E4A5AB7F
Refer to DTC B1202.
SIGNAL CIRCUIT INSPECTION
E5290ACF
1.
Check for short to ground in harness.
1) Ignition "OFF"
2) Disconnect water temp. sensor.
3) Measure resistance between terminal "1" of water temp. sensor and chassis ground.
Specification : Approx. ∞Ω
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -103
2
1
1. Water temp. sensor signal
2. Sensor ground
Ω
SCMHA6511L
4) Is the measured resistance within specifications?
YES
Go to "Component Inspection" procedure.
NO
Check for short to ground in harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure.
COMPONENT INSPECTION
E688EEF4
Refer to DTC B1202.
VERIFICATION OF VEHICLE REPAIR
ED6AB445
Refer to DTC B1202.
HA -104
HEATING, VENTILATION AND AIR CONDITIONING
DTC B1204 AIR MIX POTENTIOMETER OPEN (LOW) - PASSENGER’S
COMPONENT LOCATION
ECDA6CAE
Temperature Control Actuator
SCMHA6700L
GENERAL DESCRIPTION
E6FDAF92
Temperature control actuator located at heater unit, regulates the temperature by the procedure as follows. Signal from
control unit adjusts position of temp. door by operating temp. motor and then temperature will be regulated by the hot/cold
air ratio decided by position of temp. door.
DTC DESCRIPTION
E4F166A6
The A/C controller sets DTC B1204 if there is an open circuit or poor connection in the air mix potentiometer.
DTC DETECTING CONDITION
E8DA37FC
Item
Detecting Condition
Possible cause
DTC Strategy
• Voltage check
Threshold value
• < 0.1V
Detecting time
• 0.3 sec
FAIL SAFE
• If temperature setting 17~24.5 C(63~76 F) fix
at max. cooling position.
• If temperature setting 25~32 C(77~90 F) fix
at max. heating position.
• Poor connection of
connected part
• Open circuit in harness
• Short circuit in harness
• Faulty driver Air Mix
potentiometer
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -105
SPECIFICATION
E927FFAF
4.7V
2.5V
0.3V
WARM
COOL
AIR MIX Potentiometer
Output
voltage
EQBF521B
MONITOR SCANTOOL DATA
EF8DAA6E
1.
Connect scantool to Data Link Connector(DLC).
2.
Engine "ON"
3.
Monitor the "Passenger’s Air Mix Potentiometer" Parameter on the Scantool while operating temp. switch.
1.2 CURRENT DATA
FIX
SCRN FULL
PART GRPH HELP
13.0 C
12.0 C
12.0 C
12.5 C
0.00 V
5.9 %
90.18 %
255
HEATER WATER TEMP.SNSR
IN-CAR TEMP.SENSOR
AMBIENT AIR TEMP.SNS
EVAPORATIVE SENSOR
DRIVER PHOTO SENSOR
AIR MIX POPENTIO.(PA.)
DIRECTION POTENIO.DR.
PASSENGER PHOTO SENSOR
1.1 DIAGNOSTIC TROUBLE CODES
NUMBER OF DTC : 1 ITEMS
PART
ERAS
HELP
B1204 AIR MIX P. - LOW INPUT
Fig 1 : The current data in abnormal state.
Fig 2 : DTC B1204.
Fig. 1
Fig. 2
EQBF521K
4.
Are the DTC B1204 present and is parameter of "Passenger’s Air Mix Potentiometer" fixed?
※
Parameter of "Passenger’s Air Mix Potentiometer" will be fixed at 100%(or any value above 90%), or 0% (or any
value below 10%), if there is any fault in Passenger’s Air Mix potentiometer.
YES
Go to "Inspection" procedure.
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