Kia Optima: Controller / Heater & A/C Control Unit (DATC)

Components

Connector

Self Diagnosis

Self-diagnosis process.

•	When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings(driver's side only) and the remaining symbols are OFF .

Fault code display

(1)	Continuance operation : DTC code.

(2)	Continuance operation : DTC code.

(3)	STEP operation. A. Nomal or one fault code is same as a continuance operation. B. DTC code.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Using a screwdriver or remover, remove the floor console upper garnish (A).

3.	Loosen the mounting screws and remove the A/C & heater controller unit (A).

4.	Disconnect the A/C & heater control connector (A).

To install, reverse the removal procedure.

•	Make sure the connector are connected in properly.

•	Replace any damaged clips (or pin-type retainers).

Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion ...

Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion ...

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