SsangYong Korando III (2010 year). Service manual — part 80
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c. Components for immobilizer with Smart key system
Components (For antenna, refer to Chapter “SKM”)
▶
Smart key slot
Smart key
Start motor
Meter
cluster
BCM
SKM
D20DTF
ECU
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Key approval process in Smart key system equipped vehicle
The key approval consists of two processes; immobilizer key approval and Smart key
approval.
▶
Immobilizer key approval: When inserting the Smart key into Smart key slot, the power is supplied to the
key slot. SKM communicate with the Smart key in key slot to check if it has valid crypto code. If it is valid,
ECU start to control the engine when pressing the Engine Start/Stop button. The system has 10
seconds of valid time-out period. If the engine does not start in this period, the key approval process
should be done again.
Smart key approval: When pressing the Engine Start/Stop button or depressing the brake pedal without
Smart key inserted into the key slot, SKM communicate with the Smart key to check if it has valid crypto
code. If it is valid, the engine can be started.
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Front temp. sensor
(11) CDPF control
a. Overview
As the solution for environmental regulations and PM Particle Material) of diesel engine, the low emission
vehicle is getting popular. This vehicle is equipped with an extra filter to collect the soot and burn it again
so that the amount of PM in the exhaust gas passed through the DOC (Diesel Oxidation Catalyst) is
reduced. The CDPF (Catalyst & Diesel Particulate Filter) is an integrated filter including DOC (Diesel
Oxidation Catalyst) and DPF (Diesel Particulate Filter).
For details, refer to Chapter "CDPF".
b. Components
Rear temp. sensor
CDPF (DOC+DPF)
Throttle valve
D20DTF ECU
Differential pres.
sensor
Oxygen sensor
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c. Input/Output for CDPF control
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