Hyundai Santa Fe (2006 year). Manual — part 686
HA -122
HEATING, VENTILATION AND AIR CONDITIONING
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 %
51.76 %
255
100.0 %
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
INTAKE SENSOR
1.1 DIAGNOSTIC TROUBLE CODES
NUMBER OF DTC : 1 ITEMS
PART
ERAS
HELP
B1209 INTAKE P. - HIGH INPUT
Fig 1 : The current data in abnormal state.
Fig 2 : DTC B1209.
Fig. 1
Fig. 2
EQBF590D
4.
Are the DTC B1209 present and is parameter of "Intake potentiometer" fixed?
※
Parameter of "Intake potentiometer" will be fixed at 100%(or any value above 90%), or 0% (or any value below
10%), if there is any fault in Intake potentiometer.
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
E38A07A2
Refer to DTC B1208.
SIGNAL CIRCUIT INSPECTION
E7CCC554
1.
Check for short in harness.
1) Ignition "OFF"
2) Disconnect Intake potentiometer.
3) Measure resistance between terminal "6" and "7" of Intake potentiometer.
Specification : Approx. ∞ Ω
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -123
*
*
3
4
5
6
7
3. Motor (Rec)
4. Motor (Fre)
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
Ω
SCMHA6527L
4) Is the measured resistance within specifications?
YES
Go to "Ground circuit Inspection" procedure.
NO
Check for short to power harness in signal harness. Repair as necessary and go to "Verification of Vehicle
Repair" procedure.
GROUND CIRCUIT INSPECTION
E226B4E7
1.
Check for open in harness.
1) Ignition "OFF"
2) Disconnect Intake Potentiometer.
3) Measure resistance between terminal "5" of Intake Potentiometer and chassis ground.
Specification : Approx. 0 Ω
*
*
3
4
5
6
7
3. Motor (Rec)
4. Motor (Fre)
5. Potentiometer ground
6. Potentiometer signal
7. Sensor reference voltage(+5V)
Ω
SCMHA6528L
4) Is the measured resistance within specifications?
YES
Go to "Component Inspection" procedure.
NO
Check for open in ground harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure.
HA -124
HEATING, VENTILATION AND AIR CONDITIONING
COMPONENT INSPECTION
EF55F62B
Refer to DTC B1208.
VERIFICATION OF VEHICLE REPAIR
E43701D1
Refer to DTC B1208.
BLOWER AND A/C CONTROLS (AUTOMATIC)
HA -125
DTC B1233 IN-CAR TEMPERATURE SENSOR SHORT (LOW)
COMPONENT LOCATION
EB57D004
Incar Temperature Sensor
SCMHA6702L
GENERAL DESCRIPTION
EC43DDF5
The incar temperature sensor located at crush pad, control unit contains a thermistor which measures the temperature of
the inside. The signal, decided by the resistance value which changes in accordance with perceived inside temperature,
is delivered to heater control unit and according to this signal, the control unit regulates incar temperature to intended
value.
DTC DESCRIPTION
EB63EFE3
The A/C controller sets DTC B1233 if there is a short circuit in incar temp. sensor signal harness or the measured resis-
tance value of sensor is less than threshold value(about 7.46kΩ )
DTC DETECTING CONDITION
E1046384
Item
Detecting Condition
Possible cause
DTC Strategy
• Resistance check
Threshold value
• < 7.46 kΩ
Detecting time
• 0.3 sec
FAIL SAFE
• Control with the value of 25 C(77 F)
• Short circuit in harness
• Faulty incar temp. Sensor
• Faulty A/C control unit
SPECIFICATION
E4823648
Temperature[ C( F)]
Resistance(kΩ )
Temperature[ C( F)]
Resistance(kΩ )
-30(-22)
509.57
25(77)
30
-15(5)
216.07
35(95)
15.59
0(32)
97.71
50(122)
10.81
15(59)
47.13
60(140)
7.46
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