SsangYong Korando III (2010 year). Service manual — part 354

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1. SPECIFICATION

Capacity

12V 2.3kW

Engagement

Meshed type

Rotating direction

Clockwise

Pinion gear manufacturing

Cooled forging

Solenoid operating voltage

Max. 8 V

Weight

2.5 kg

Bracket manufacturing

Aluminum die casting

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2. TROUBLESHOOTING

Problem

Possible Cause

Action

Engine will not crank

Low battery voltage

Charge or replace

Loose, corroded or damaged battery cable

Repair or replace

Faulty starter or open circuit

Faulty ignition switch or blown fuse

Repair or replace

Poor engine ground

Repair

Engine cranks too

slow

Low battery voltage

Charge or replace

Loose, corroded or damaged battery cable

Repair or replace

Faulty starter

Starter does not

stop

Faulty starter

Faulty ignition switch

Replace

Engine cranks

normally, but does

not start

Broken pinion gear or faulty starter

Replace the starter

Broken flywheel ring gear

Replace

Open circuit

Repair

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Start motor assembly

1. SYSTEM DESCRIPTION

The starter (start motor) starts the engine with rotational power by converting the electric energy to the

mechanical energy.

When the engine is cranking, the pinion gear meshes with the ring gear. If the ring gear overruns, the

pinion gear clutch overruns to protect the pinion gear.

System Configuration

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2. OPERATING PROCESS

1) System Layout

(1) Engine start

SKM performs the authentication process for the SMART key and sends the engine start request to

EMS if there is a normally coded SMART key when pressing the Engine Start/Stop button with the
brake pedal depressed and gear shift lever in “P” or “N” position.

SKM sends the start request signal to PCAN network and the cranking request to BCAN network by
“SMART key location” signal when receiving the engine start signal by Engine Start/Stop

button.

SKM turns off the IGN2/ACC relay during cranking to shut down the electric loads.

SKM receives the starting status signal from EMS throug PCAN.
After cranking, SKM turns on the ACC/IGN2 relay and sends the power status signal of “IGN
after started” through BCAN.

EMS starts to crank the engine after checking the pre-heating condition if it receives the engine

cranking request 1 when pressing the Engine Start/Stop button. EMS starts to crank the engine

immediately if it receives the engine cranking request 2 when pressing the Engine Start/Stop button.

1.

2.

3.

4.

5.

6.

Engine cranking request 1: when pressing the Engine Start/Stop button shortly in normal

conditions

Engine cranking request 2: when pressing the Engine Start/Stop button again after first press or

when pressing the Engine Start/Stp button for more than 3 seconds

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Engine start during driving

7.

When pressing the Engine Start/Stop button with IGN ON, the engine start is requested if the
vehicle speed is less than 10 km/h or no signal, the gear shift lever is in ‘N” position and

the brake switch is ON (no need authentication for 30 seconds).

When pressing the Engine Start/Stop button with IGN ON, the engine start is requested
regardless of brake signal if the vehicle speed is over 10 km/h and the gear shift lever is in ‘

position (no need authentication for 30 seconds).

Except input of brake switch signal

In vehicle equipped with A/T, when pressing the Engine Start/Stop button for more than 10

seconds with ACC ON, the engine start is requested regardless of brake signal if the gear shift
lever is in “P” or ‘N” position in IGN ON.

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