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Blower and A/c Controls (Automatic): Other Kia Optima II

Automatic HVAC System 16 illustrations ~1588 words

CONNECTOR PIN FUNCTION

ConnectorPIN NO.FunctionConnectorPIN NO.Function
Connector (A)1Tail lampConnector (B)1Sensor REF (+5V)
2Battery2AQS signal
3A/C output3AMB sensor (+)
4A/C select signal4Humidity sensor (+)
55In car sensor (+)
6K-Line6EVA sensor (+)
77Water temp sensor (+)
88Speed signal
9HTD9FET (G)
10Rear defog S/W10FET (D)
1111Blower motor (+)
12IGN212Sensor GND
13IGN213
14Rheostat14
1515Photo sensor (-)
16Temp ACT'R (Cool)16
17Temp ACT'R (Warm)17In car sensor (-)
18Temp ACT'R F/B18
19Mode ACT'R (Vent)19Blower ON signal
20Mode ACT'R (DEF)20PTC ON signal
21Mode ACT'R F/B21PTC RLY 2
22Intake ACT'R (FRE)22PTC RLY 3
23Intake ACT'R (REC)
24Intake ACT'R F/B
25GND
26GND

CONNECTOR PIN FUNCTION CHART

Scheme 116

Scheme 116: SELF-DIAGNOSIS
Scheme 116: SELF-DIAGNOSIS

Scheme 117

Scheme 117
Scheme 117

Scheme 118

Scheme 118
Scheme 118

Scheme 119

Scheme 119
Scheme 119
  1. Self-diagnosis process The F.A.T.C. module self test feature will detect electrical malfunction and provide error codes for system components with suspected failures. NOTE: DTC data can be retrieved from the control panel directly.
  2. How to read self-diagnostic code After the display panel flickers three times every 0.5 second, the corresponding fault code flickers on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in numerical format. FAULT CODE FAULT CODE FAIL DESCRIPTION CHART Fault code Fail description Display DTC 0 - NORMAL 11 «B1234»(ref-266088-S13486918562007092700000) INCAR SENSOR OPEN 12 «B1233»(ref-266088-S17546352802007092700000) INCAR SENSOR SHORT 13 «B1238»(ref-266088-S29586972842007092700000) AMBIENT SENSOR OPEN 14 «B1237»(ref-266088-S37629344572007092700000) AMBIENT SENSOR SHORT 15 «B1202»(ref-266088-S16871626892007092700000) WATER TEMP SENSOR OPEN 16 «B1203»(ref-266088-S25991429982007092700000) WATER TEMP SENSOR SHORT 17 «B1242»(ref-266088-S41607290732007092700000) EVAP SENSOR OPEN 18 «B1241»(ref-266088-S36748784072007092700000) EVAP SENSOR SHORT 19 «B1245»(ref-266088-S06353662882007092700000) TEMP POTENTIMETER OPEN 19 «B1246»(ref-266088-S26500000582007092700000) TEMP POTENTIMETER SHORT 20 «B2406»(ref-266088-S15176726372007092700000) TEMP POTENTIMETER FAULT 21 «B1249»(ref-266088-S30575626312007092700000) MODE POTENTIMETER OPEN 21 «B1250»(ref-266088-S13044720972007092700000) MODE POTENTIMETER SHORT 22 «B2409»(ref-266088-S03645080842007092700000) MODE POTENTIMETER FAULT 23 «B1200»(ref-266088-S16421741652007092700000) HUMIDITY SENSOR OPEN 24 «B1201»(ref-266088-S29755004682007092700000) HUMIDITY SENSOR SHORT 25 «B1208»(ref-266088-S14309849282007092700000) INTAKE POTENTIOMETER OPEN 25 «B1209»(ref-266088-S31341117882007092700000) INTAKE POTENTIOMETER SHORT 26 «B2408»(ref-266088-S13370141712007092700000) INTAKE POTENTIOMETER FAULT 27 B1257 AQS SENSOR OPEN 28 B1258 AQS SENSOR SHORT 31 B1259 AQS SENSOR FAULT
  3. Fault code display Continuance operation: DTC code is one. Continuance operation: DTC code is more two. STEP operation Normal or one fault code is same as a continuance operation. DTC code os more two.
  4. If fault codes are displayed during the check, Inspect malfunction causes by referring to fault codes.
  5. Fail safe In-car temperature sensor: Control with the value of 25°C (77°F) Ambient temperature sensor: Control with the value of 20°C (67°F) Evaporator temperature sensor: Control with the value of -2°C (28.4°F) Humidity sensor: Control with the value of 10% Temperature sensor: Control with the value of -2°C (28.4°F) Temperature control actuator (Air mix potentiometer): If temperature setting 17°C-24.5°C, fix at maximum cooling position. If temperature setting 25°C-32°C, fix at maximum heating position Mode control actuator (Direction potentiometer): Fix vent position, while selecting vent mode. Fix defrost position, while selecting all except vent mode. Intake control actuator: Fix fresh position, while selecting fresh mode. Fix recirculation position, while selecting recirculation mode. AQS sensor: AQS operation OFF. Intake position: The position before selecting AQS switch.

Scheme 120

Scheme 120: REPLACEMENT
Scheme 120: REPLACEMENT

Scheme 121

Scheme 121
Scheme 121

Scheme 122

Scheme 122
Scheme 122
  1. Disconnect the negative (-) battery terminal.
  2. Remove the ashtray (A).
  3. Remove the center fascia lower panel (A) by pulling it using a screw driver (-).
  4. Remove the heater & A/C controller (A) after loosening 2 screws.
  5. Installation is the reverse order of removal.

Scheme 123

Scheme 123: COMPONENT LOCATION
Scheme 123: COMPONENT LOCATION

VERIFICATION OF VEHICLE REPAIR

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.

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.

Scheme 124

Scheme 124: COMPONENT LOCATION
Scheme 124: COMPONENT LOCATION

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.

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.

Scheme 125

Scheme 125: COMPONENT LOCATION
Scheme 125: COMPONENT LOCATION

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.

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.

Scheme 126

Scheme 126: COMPONENT LOCATION
Scheme 126: COMPONENT LOCATION

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.

Scheme 127

Scheme 127: COMPONENT LOCATION
Scheme 127: COMPONENT LOCATION

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.

Scheme 128

Scheme 128: COMPONENT LOCATION
Scheme 128: COMPONENT LOCATION

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.

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.

Scheme 129

Scheme 129: COMPONENT LOCATION
Scheme 129: COMPONENT LOCATION

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.

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.

Scheme 130

Scheme 130: COMPONENT LOCATION
Scheme 130: COMPONENT LOCATION

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.

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.

Scheme 131

Scheme 131: COMPONENT LOCATION
Scheme 131: COMPONENT LOCATION

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.

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.

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.

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.

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.

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