2012 SSANGYONG KORANDO Service Manual

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8. DTC SETTING CONDITIONS
Charge warning lamp ON condition ▶
Turn the ignition ON (Engine stopped)
Open or short circuit of L terminal wiring, open or short internal circuit of alternator (fixed control of
13.8V)
Open or short circuit of F terminal wiring, no feedback output signal 1.
2.
3.

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1. LAYOUT
D20DTF(Low CO2) D20DTF
ECUBattery sensor (EBS)
Alternator (ALT)
Meter cluster (charge
warning lamp)

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2. OPERATING PROCESS
System diagram ▶
Operation ▶
EEM monitors the electric loads and battery conditions and controls the voltage to improve the fuel
economy and battery charging efficiency.
EBS on “-“ terminal of battery sends the battery information (voltage, current, tem
perature and
SOC) to engine ECU with LIN communication.
Engine ECU outputs the information from EBS and regulating control signal (PWM) according to the
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Engine ECU controls the magnetic resistance between stator coil and rotor coil by controlling the
current in rotor coil according to PWM duty value.
The alternating voltage induced to stator coil is converted to direct voltage by rectifier. And, EBS
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-
-
-
-

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Operation of charge warning lamp ▶
ECU checks the generating voltage from alternator and circuit conditions and sends the warning lamp ON
signal to meter cluster through CAN line.Basic control logic according to the driving conditions ▶
Engine ECU determines the engine loads according to the fuel injection volume and engine speed. It
charges the battery by increasing the generating voltage during deceleration. To improve the fuel
economy by reducing the alternator load during acceleration, engine ECU decreases the generating
voltage and consumes the battery voltage.

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3. CAN COMMUNICATION (Charge Warning Lamp)
Overview ▶
Meter cluster
(charge warning lamp)
The meter cluster receives the charge warning lamp ON signal from ECU through CAN line.
Charge warning lamp ON conditions
Pre-warning
When DTC related EEM set
Open or short circuit in alternator -
-
-
Circuit diagram ▶

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4. CIRCUIT DIAGRAM

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Front turn signal lamp
Side repeater lamp
Puddle lamp
1. EXTERIOR LAMP SYSTEM LAYOUT
Front fog lamp
Position lamp
Headlamp assembly
Rear turn signal lamp
High-mounted
stop lamp
Tail/stop lamp
Reflector
Backup lamp
Rear fog light
License plate lamp
Front view
Rear view

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Puddle (approach) lamp
Front fog lamp
Headlamp
Side repeater lamp
High-beam/
low-beamTurn signal
lamp
Position
lamp