Kia Rio: Engine Electrical System / Starting System

Kia Rio 2017-2024 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

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
Starter keeps running	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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