Kia Optima: Engine Electrical System

Kia Optima DL3 2019-2020 Service and Repair Manual / Engine Electrical System

Service data
Service Data
Ignition System

Ignition Coil

Item
Specification
Primary Coil Resistance (Ω)
0.75 ± 15% [20°C (68°F)]
Secondary Coil Resistance (kΩ)
5.9 ± 15% [20°C (68°F)]

Spark Plug

Item
Specification
Type
UNLEADED
SILZKR7B11
LEADED
SILZKR7B8
Gap
UNLEADED
1.0 - 1.1 mm
(0.0393 - 0.0433 in.)
LEADED
0.7 - 0.8 mm
(0.0275 - 0.0314 in.)

Charging System

Alternator

Item
Specification
Rated voltage
13.5V, 120A
Speed in use
1,000 - 18,000 rpm
Voltage regulator
IC Regulator built-in type
Regulator Setting Voltage
External mode
Refer to below graph
Internal mode
14.55 ± 0.3V
Temperature Gradient
External mode
0 ± 3 mV / °C 
Internal mode
-3.5 ± 2mV / °C

Battery

▶CMF68L-DIN

Item
Specification
Model type
CMF68L-DIN
Capacity [20HR/5HR] (AH)
68 / 54
Cold Cranking Amperage (A)
600 (SAE / EN)
Reserve Capacity (Min)
113

  

Model type description

Cold Cranking Ampere (CCA): Cold Cranking Amps is a rating used in the battery industry to define a battery's ability to start an engine in cold temperatures.

The rating is the number of amps a new, fully charged battery can deliver at -18 °C(-0.4 °F) for 30 seconds, while maintaining a voltage of at least 7.2 volts for a 12 volt battery.

The higher the CCA rating, the greater the starting power of the battery.

RESERVE CAPACITY (RC) : Reserve Capacity is a battery industry rating, defining a battery's ability to power a vehicle with an inoperative alternator or fan belt.

The rating is the number of minutes a battery at 26.7 °C(80 °F) can be discharged at 25 amps and maintain a voltage of 10.5 volts for a 12 volt battery.

The higher the reserve rating, the longer your vehicle can operate should your alternator or fan belt fail.

  

BCI Type

Capacity
(5 hr / 20 hr)
Length
Width
Height
Total Height
L (mm)
W (mm)
H (mm)
TH (mm)
28/35
188 - 192
126 - 130
198 - 202
218 - 222
32/40
194 - 198
133 - 137
199 - 203
223 - 227
36/45
203 - 207
173 - 177
200 - 204
221 - 225
44/55
213 - 217
173 - 177
198 - 202
218 - 222
48/60
228 - 232
173 - 177
200 - 204
221 - 225
54/68
258 - 262
173 - 177
198 - 202
220 - 224
56/70
258 - 262
173 - 177
198 - 202
223 - 227
64/80
274 - 278
170 - 174
198 - 202
221 - 225
70/88
349 - 353
172 - 176
186 - 200
183 - 187
72/90
300 - 304
170 - 174
200 - 204
221 - 225
76/95
294 - 298
172 - 176
198 - 202
220 - 224
80/100
326 - 330
170 - 174
203 - 207
225 - 229

DIN Type

Capacity
(5 hr / 20 hr)
Length
Width
Height
Total Height
L (mm)
W (mm)
H (mm)
TH (mm)
36/45
205 - 207
173 - 175
164 - 168
188 - 190
48/60
240 - 242
173 - 175
164 - 168
188 - 190
54/68
276 - 278
173 - 175
164 - 168
188 - 190
64/80
313 - 315
173 - 175
164 - 168
188 - 190
72/90
351 - 353
173 - 175
164 - 168
188 - 190
80/100
351 - 353
173 - 175
164 - 168
188 - 190
88/110
392 - 394
173 - 175
164 - 168
188 - 190

AGM DIN Type

Capacity
(5 hr / 20 hr)
Length
Width
Height
Total Height
L (mm)
W (mm)
H (mm)
TH (mm)
40/50
205 - 207
173 - 175
164 - 168
188 - 190
48/60
227 - 229
173 - 175
164 - 168
188 - 190
56/70
276 - 278
173 - 175
164 - 168
188 - 190
64/80
312 - 314
173 - 175
164 - 168
188 - 190
72/90
351 - 353
173 - 175
164 - 168
188 - 190
84/105
392 - 394
173 - 175
164 - 168
188 - 190

Starting System

Starter

Item
Specification
Rated voltage
12V, 1.2 kW
The number of pinion teeth
13
Performance
[No-load, 11V]
Ampere
70A
Speed
Min. 2,400 rpm

Timing Chain
Components and components location Components 1. Intake camshaft 2. Exhaust camshaft 3. Intake CVVT assembly 4. Exhaust CVVT assembly 5. Timing c ...

Ignition System
Description and operation Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operat ...

Other information:

Kia Optima DL3 2019-2020 Owner's Manual: Temperature control


The temperature will increase to the maximum (HI) by turning the knob to the extreme right. The temperature will decrease to the minimum (Lo) by turning the knob to the extreme left. When turning the knob, the temperature will increase or decrease by 0.5°C/1°F. When set to the lowest tem ...

Kia Optima DL3 2019-2020 Owner's Manual: Panoramic sunroof


If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof with the sunroof control lever located on the overhead console. The sunroof can be operated for approximately 30 seconds after the ignition key is removed or turned to the ACC or LOCK (or OFF) position. However, i ...

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