Engine Electrical System

~4min read

Service Data

Service Data

Ignition System

Ignition Coil

Item Specification
Primary Winding Resistance (Ω) 0,75 ± 15% [20 °C]
Secondary Winding Resistance (kΩ) 5,9 ± 15% [20 °C]

Spark Plug

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

Charging System

Generator

Item Specification
Rated Voltage 13.5 V, 120 A
Operating Speed 1000–18,000 rpm
Voltage Regulator Built-in IC regulator type
Regulator Set Voltage External Mode Refer to the graph below
Internal Mode 14.55 ± 0.3 V
Temperature Gradient External Mode 0 ± 3 mV/°C
Internal Mode -3.5 ± 2 mV/°C

Battery

▶CMF68L-DIN

Item Specification
Model Type CMF68L-DIN
Capacity [20h/5h] (Ah) 68/54
Cold Cranking Amps (A) 600 (SAE / EN)
Reserve Capacity (min.) 113

Starting System

Starter Motor

Item Specification
Rated Voltage 12 V, 1.2 kW
Number of Gear Teeth 13
Output
[No load, 11 V]
Amperes 70A
Speed Min. 2400 rpm

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.