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:

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