2012 SSANGYONG KORANDO Service Manual

05-10
3. WORK FLOW IN EXHAUST SYSTEM

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4. INPUT/OUTPUT DEVICES

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1. SPECIFICATION
Description Specification
Spark plugInternal resistance3 ~ 7 kΩ
Center electrode Iridium alloy
Ground electrode Platinum alloy
Electrode clearance 1.1 mm
Change interval 160,000 km
Ignition coilPrimary operating current7 ± 0.5A
Generated voltage
(primary/secondary)Max. 400 V / 5~20 kV
Ignition type Independent ignition type
Ignition sequence 1-3-4-2

06-4
2. LAYOUT
Ignition Coil
Bolt
Spark Plug 1.
2.
3.

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1. OVERVIEW
The ignition system is to supply high voltage generated from the ignition coil to the spark plug. The
G20DF engine is equipped with the independent type direct ignition system that the ignition coil is
installed in each cylinder.
The basic ignition timing in each cylinder is determined by the signals from camshaft position sensor and
crankshaft position sensor.
This ignition system controls the electronic ignition timing received from the engine ECU. To control the
ignition timing precisely, the ECU use the information below:
Engine load
Coolant temperature
Intake air temperature
Engine rpm
Camshaft position sensor (CPS)
Crankshaft position sensor (CKS) -
-
-
-
-
-
If the signal from the camshaft position sensor is not delivered to the engine ECU, the ignition coil and
fuel system cannot be operated.

06-6
2. COMPONENTS
Ignition coil
Camshaft position
sensorKnock sensorInjector
Spark plug

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Electric throttle valveT-MAP sensorAccelerator pedal position
sensor
Coolant temperature
sensor
Engine ECU
Crankshaft position
sensor

06-8
3. INPUT/OUTPUT DEVICES