Kia Forte: Engine Electrical System / Starting System

Kia Forte 2019-2020 (BD) Service Manual / Engine Electrical System / Starting System

Description and operation
Description

The starting system includes the battery, starter, solenoid switch, ignition switch, inhibitor switch (A/T), clutch pedal switch (M/T), ignition lock switch, connection wires and the battery cable.

When the ignition key is turned to the start position, current flows and energizes the starter motor's solenoid coil.

The solenoid plunger and clutch shift lever are activated, and the clutch pinion engages the ring gear.

The contacts close and the starter motor cranks.

In order to prevent damage caused by excessive rotation of the starter armature when the engine starts, the clutch pinion gear overruns.

Troubleshooting
Troubleshooting

Symptom
Suspect Area
Remedy
Engine will not crank
Battery charge low
Charge or replace battery
Battery cables loose, corroded or worn out
Repair or replace cables
Transaxle range switch
(Vehicle with automatic transaxle only)
Refer to AT group-automatic transaxle
Fuse blown
Replace fuse
Starter motor faulty
Replace
Ignition switch faulty
Replace
Engine cranks slowly
Battery charge low
Charge or replace battery
Battery cables loose, corroded or worn out
Repair or replace cables
Starter motor faulty
Replace
Starter keeps running
Starter motor faulty
Replace
Ignition switch
Replace
Starter spins but engine will not crank
Short in wiring
Repair or replace wiring
Pinion gear teeth broken or starter motor
Replace
Ring gear teeth broken
Replace fly wheel or torque converter

  

The battery must be in good condition and fully charged for this troubleshooting.

Spark Plug
Specifications Specification Item Specification Type SILZKR8E8G Gap 0.7 - 0.8 mm (0.028 - 0.31 in ...

Starter
Specifications Specification Item Specification Rated voltage 12 V, 0.9 kW The number of pinion teeth ...

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