Kia Rio: Engine Electrical System / Starting System

Kia Rio 2017-2021 YB 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
Inhibitor switch [AT Type only]
Refer to Automatic Transaxle System - "Inhibitor switch"
Inhibitor switch [DCT Type only]
Refer to Daul Clutch Transmission System - "Inhibitor switch"
Clutch Switch [MT Type only]
Refer to Clutch System - "Clutch Switch"
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 SILKR6C10E Gap 0.9 - 1.0 mm (0.0354 - 0.0394 ...

Starter
Specifications Specification ▷12V, 1.2kW : ISG only Item Specification Rated voltage 12 V, 1.2 kW The number ...

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