Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Kia Optima L4-2.4LFACTORY OEM SERVICE PROCEDURE
ETACS Function
OPERATION CHECK OF COMPONENTS
While operating the components, check whether the operations are normal with timing chart.
ETACS FUNCTION
1. Variable intermittent wiper
Time specification
T1 : Max. 0.3 sec.
T2 : Time of wiper motor 1 rotation (0.6 - 0.8 sec.).
T3 : 2.2 ± 0.2 sec. (VR = 0 k Ohm) - 10.0 ± 1.0 sec. (VR = 50 k Ohm)
2. Washer related wiper
1. Time specification
T1 : 0.6 sec.
T2 : 2.5 - 3.8 sec.
2. This function should be operated preferentially even though the variable intermittent wiper is operating.
3. Rear window defogger
Time specification
T1 : 60 msec.
T2 : 20 ± 1 Min.
4. seat belt warning
Time specification
T1 : 6 ± 1 sec.
T2 : 0.45 ± 0.1 sec.
T3 : 0.3 ± 0.1 sec.
5. Ignition key hole illumination
Time specification
T1 : 10 ± 1.0 sec.
T2 : 0 - 10 sec.
6. Delayed out room lamp
Time specification
T1 : 5.5 ± 0.5 sec.
7. Key operated warning
Time specification
T1, T2 : 0.45 ± 0.1 sec
8. Ignition key reminder
Time specification
T1 : 0.5 sec.
T2 : 0 - 0.5 sec.
9. Outside door key illumination (without burglar alarm)
Time specification
T1 : 10 ± 1.0 sec.
10. Power window timer
Time specification
T1 :30 ± 5 sec.
11. Central door lock/unlock (without burglar alarm)
Time specification
T : 0.5 ± 0.1 sec.
12. Central door lock/unlock (with burglar alarm)
1. When using the door key
Time specification
T : 0.5 ± 0.1 sec.
2. When using the door lock knob switch
Time specification
T : 0.5 ± 0.1 sec.
3. When using the transmitter (TX)
Time specification
T : 0.5 ± 0.1 sec.
4. Power window main door lock switch
Time specification
T : 0.5 ± 0.1 sec.
13. Tail lamp auto cut
14. Two-Turn unlock
Time specification
T1 : 3 ± 0.5 sec.
While operating the components, check whether the operations are normal with timing chart.
ETACS FUNCTION
1. Variable intermittent wiper
Time specification
T1 : Max. 0.3 sec.
T2 : Time of wiper motor 1 rotation (0.6 - 0.8 sec.).
T3 : 2.2 ± 0.2 sec. (VR = 0 k Ohm) - 10.0 ± 1.0 sec. (VR = 50 k Ohm)
2. Washer related wiper
1. Time specification
T1 : 0.6 sec.
T2 : 2.5 - 3.8 sec.
2. This function should be operated preferentially even though the variable intermittent wiper is operating.
3. Rear window defogger
Time specification
T1 : 60 msec.
T2 : 20 ± 1 Min.
4. seat belt warning
Time specification
T1 : 6 ± 1 sec.
T2 : 0.45 ± 0.1 sec.
T3 : 0.3 ± 0.1 sec.
5. Ignition key hole illumination
Time specification
T1 : 10 ± 1.0 sec.
T2 : 0 - 10 sec.
6. Delayed out room lamp
Time specification
T1 : 5.5 ± 0.5 sec.
7. Key operated warning
Time specification
T1, T2 : 0.45 ± 0.1 sec
8. Ignition key reminder
Time specification
T1 : 0.5 sec.
T2 : 0 - 0.5 sec.
9. Outside door key illumination (without burglar alarm)
Time specification
T1 : 10 ± 1.0 sec.
10. Power window timer
Time specification
T1 :30 ± 5 sec.
11. Central door lock/unlock (without burglar alarm)
Time specification
T : 0.5 ± 0.1 sec.
12. Central door lock/unlock (with burglar alarm)
1. When using the door key
Time specification
T : 0.5 ± 0.1 sec.
2. When using the door lock knob switch
Time specification
T : 0.5 ± 0.1 sec.
3. When using the transmitter (TX)
Time specification
T : 0.5 ± 0.1 sec.
4. Power window main door lock switch
Time specification
T : 0.5 ± 0.1 sec.
13. Tail lamp auto cut
14. Two-Turn unlock
Time specification
T1 : 3 ± 0.5 sec.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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