turn signal SSANGYONG KORANDO 2012 User Guide

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3. ECU CONTROL
1) Functions
ECU receives and analyzes signals from various sensors and then modifies those signals into
permissible voltage levels and analyzes to control respective actuators.
ECU microprocessor calculates injection period and injection timing proper for engine piston speed and
crankshaft angle based on input data and stored specific map to control the engine power and emission
gas.
Output signal of the ECU microprocessor activates the injector solenoid valve to control the fuel injection
period and injection timing; so controls various actuators in response to engine changes.
Auxiliary function of ECU has adopted to reduce emission gas, improve fuel economy and enhance
safety, comforts and conveniences. For example, there are autocruise and immobilizer and adopted
CAN communication to exchange data among electrical systems (automatic T/M and brake system) in
the vehicle fluently. And the diagnostic tool can be used to diagnose vehicle status and defectives.
<00760097008c00990088009b00900095008e0047009b008c00940097008c00990088009b009c0099008c0047009900880095008e008c00470096008d0047006c006a007c00470090009a0047009500960099009400880093009300a000470054005b005700
47009b009600470052005f005c00b6006a004700880095008b> protected from factors like oil,
water and electromagnetism and there should be no mechanical shocks.
2) Control Functions
Controls by operating stages:
To make optimum combustion under every operating stage, ECU should calculate proper injection
volume in each stage by considering various factors.
Starting injection volume control:
During initial starting, injecting fuel volume will be calculated by function of temperature and engine
cranking speed. Starting injection continues from when the ignition switch is turned to ignition
position to till the engine reaches to allowable minimum speed.
Driving mode control:
If the vehicle runs normally, fuel injection volume will be calculated by accelerator pedal travel and
engine rpm and the drive map will be used to match the drivers inputs with optimum engine power. -
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(2) Warm-up Control Function
Low voltage ▶
If low voltage is detected by the ECU, the idle speed increases up to 100 rpm selectively under the
driving mode until the ignition switch is turned off. Idle speed control ▶
The idle speed is controlled according to the fuel/air mixture when the engine load is changed, the
power steering wheel is turned to its end, the selector lever is in the "D" position and the A/C compresso
r
is in operation. It is also controlled according to the charge level during the purge control operation.
Ignition timing ▶
The idle speed is controlled according to the fuel/air mixture when the engine load is changed, The
<0090008e00950090009b009000960095004700880095008e0093008c0047008a0088009500470089008c00470099008c009b00880099008b008c008b0047009c00970047009b00960047005a005d020b00470096009900470088008b009d00880095008a00
8c008b0047009c00970047009b0096004700590057020b0047>to help idle speed control.
Air conditioner compressor operation ▶
The air conditioner control unit sends the air conditioner operation signal to the ECU to increase the
throttle valve opening amount in order to prevent reduction of the engine speed when the air conditioner
compressor is in operation at idling.
(3) Warm-up Control Operating Conditions
To make the catalytic converter reach a operating temperature, the ignition timing is retarded for about
20 seconds under the following conditions:
The coolant temperature is 15°C ~ 40°C when the engine is started.
The selector lever is in the "P" or "N" position. ▶
▶
Also, the idle speed increases to 1100 ~ 1500 rpm simultaneously by the idle speed control. However, as
soon as the selector lever is shifted to the D position, warming up control of the catalytic converter will be
inhibited. The information necessary to perform such control is as follows:
Coolant temperature
Engine rpm
Intake air mass
Recognizing idling status
Selector lever position ▶
▶
▶
▶
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Swirl control valve
It operates variably in accordance with the
engine load and rpm.
Refer to Chapter “Engine Control”.
Intake manifold
It is the passage for intake air when the swirl
vale is operating. The T-MAP sensor for
measuring the pressure and temperature of
pressurized air in turbocharger is installed on
the left top of intake manifold.
3. LAYOUT OF INTAKE SYSTEM
1) Overview
The intake system for D20DTF(Low CO2) engine is equipped with a throttle body which includes a flap.
This flap is controlled by an electrical signal to cut off the intake air entering to the engine when the
ignition switch is turned off. The intake manifold contains the swirl control valve and dual port system to
make the optimum turbulence. The T-MAP sensor is located on the left top of the intake manifold and
the HFM sensor for precise control is located at the rear side of air cleaner. To reduce the intake noise
and to improve the intake efficiency, the volume of air cleaner has been increased.
2) Components
Electric throttle body
Refer to Chapter “Engine Control”.

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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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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

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High mounted stop lamp
Rear combination lamp
Vehicle without
spoiler Vehicle with spoiler
License plate lamp
Stop lamp and tail lamp
Rear fog lamp
Turn signal lamp
Backup lamp

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4) Operating Process By Power Supply
(1) Rear wiper relay
(2) Rear fog lamp relay
The rear wiper motor relay is turned on when the rear wiper switch is turned on with the ignition key ON.
This relay is turned off when the rear wiper switch is turned off.
The power is supplied to the ICM no. B6 connector through the SB4 and no. 39.
The power for the rear fog lamp relay is supplied through the memory fuse in the engine compartment
CE box and fuse no. 52 in the interior IP box. This relay is controlled (ON/OFF) by the relay operation
signal which is connected to the no. A11 of the BCM.
The rear fog lamp is turned on when the rear fog lamp switch is turned on with the headlamp turned
on (i.e. IGN2 switch ON).
Turning on the rear fog lamp switch again when the relay is activated turns off the fog lamp.
The rear fog lamps do not come ON when the IGN2 switch is turned to OFF position or the light
switch is OFF.
The rear fog lamp should not automatically come on again if it has been turned off by any methods
other than the rear fog lamp switch. 1.
2.
3.
4.Operating conditions ▶

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(5) Horn relay
The power for the theft deterrent horn relay is supplied to the ICM terminal no. C5 through the battery
SB1 and fuse no. 45 in the interior fuse box.
The relay is operated by the signals from the BCM terminal no. A24. Refer to Conditions For Theft
Deterrent for operating conditions.
(6) Tailgate relay
The power for the tailgate relay is supplied to the ICM terminals no. C10 and no. B5 through the battery
SB1 and fuse no. 42 in the interior fuse box. The relay is operated (i.e. ON/OFF) by the operation signal
from the BCM terminal no. D6.
Deactivation condition ▶
Without SKM
The tailgate open relay is turned OFF immediately after the driver's door is locked or the vehicle
speed becomes 3 km/h or more during its activation.
With SKM
Refer to the section Tailgate of BCM for the operating conditions. -
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(7) Shift lock relay
The shift lock relay is used in the models with A/T and receives power through the SB2 and fuse no. 31
in the interior fuse box with the IGN1 turned ON. If the operating conditions are met (stop lamp switch
ON), the battery power is supplied to the ICM terminal no. C1. If the gear mode conditions are met, the
relay is operated by the signals from the terminal no. 10 of the gear selector lever.
(8) Power outlet relay
The power for the power outlet relay is supplied to the ICM terminal no. B10 through the battery SB1
and fuse no. 46 in the interior fuse box. The relay is earthed through the fuse no. 47 in the interior fuse
box and then ICM terminals no. B2 and no. B12 when the ignition key is turned to ACC.