check engine SSANGYONG KORANDO 2012 Workshop Manual

14-6
Measuring at (-) wiring ▶
Measure the voltage between battery wiring
and body ground. -
Specified valuebelow 0.3V
If the voltage is out of the specified value,
check the wiring mounting bolt for corrosion
and looseness. If there is a poor contact due
to corrosion or paint, wipe out the contact area
and retighten it.
Wiring mounting bolt to body
ground (-): 17 Nm
Measuring the battery voltage ▶
Stop the engine and wait for 20 minutes.
Measure the voltage between terminal (+)
and terminal (-) with the ignition switch OFF
and all electric devices OFF. -
Specified valueover 12V

14-70000-00
Measuring the voltage drop between lines ▶
Measure the voltage drop between alternator B+ and battery B+. -
Specified valuebelow 0.3V
If the value is out of the specified value, check the terminal and clamp for looseness.
Checking the charge warning lamp ▶
<007b009c0099009500470096008d008d00470088009300930047008c0093008c008a009b00990090008a0047008b008c009d0090008a008c009a004700880095008b00470097009c009b0047009b008f008c00470090008e00950090009b00900096009500
47009a009e0090009b008a008f004702c80076007502c90047>(Pre-warning).
Check if the charge warning lamp goes out.
If the charge warning lamp does not go off, inspect the electric circuit.
Start the engine and check if the charge warning lamp keeps off. 1.
2.
-
3.

14-18
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.

02-58410-00
2. CHECKING CABLES AND WIRES
Check for loose connection or rust.
Check terminals and wires for corrosion due to electrolyte leakage.
Check terminals and wires for open circuit.
Check the wire insulation and coat for damage, cracks or deterioration.
Check if the conductive parts of the terminals do not contact with vehicle body or other metal parts.
Check that the grounding part has continuity with mounting bolts and vehicle body.
Check that wires are properly routed.
Make sure that wires are securely fixed to avoid contact with sharp body parts and high-temperature
parts, such as the exhaust manifold and exhaust pipes.
The rotating parts, such as fan pulley and fan belt, perturbative parts and wiring should be secured
tightly at regular intervals.
Secure the wiring between the fixed parts, such as the vehicle body, and vibrating parts, such as the
engine, after slackening it slightly to prevent it from being damaged. -
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03-68
2. IMMOBILIZER/REMOTE CONTROL KEY CODING
1) System Overview
While the communication between BCM/SKM and ECU is based on the CAN communication, the
communication between transponder and BCM/SKM is based on LF (Low frequency) and RF (Radio
frequency). When the ignition switch is turned to ON position, the BCM checks the verified transponder
according to the immobilizer verification procedure, if correct, allows the vehicle to start the engine. The
immobilizer indicator comes on during the communication and if the verification is carried out
successfully the indicator goes off.
If there is something wrong in the system, the indicator blinks.
2) System Layout

03-698710-01
3) Operation of Immobilizer
When the ignition switch is turned to the ON position with REKES key, the BCM checks the crypto code
of the inserted key using the immobilizer antenna and sends whether the engine is startable or not to the
engine ECU through the CAN communication so that the engine can be started.
BCM
REKES key
Immobilizer antenna
ECUCAN line
For the vehicle with the immobilizer, there can be a problem in starting the vehicle or the system error:
When two or more immobilizer keys come into contact with (each) other(s).
When the key is close to any device sending or receiving electromagnetic fields or waves other
than Ssangyong products.
When the key is close to any electronic or electric devices such as lighting equipment, security keys
or security cards.
When the key is close to a magnetic or metal object or a battery. -
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04-8
(3) Coding after replacing components
When replacing smart key and SKM: Register smart key and EMS
When replacing EMS: Register EMS -
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(4) VIRGIN power control
If the SKM is not coded at all, the power control is performed as follows:
Virgin control by TM & EMS ▶
If there is no variant code value from the EMS and no value is stored in the inactive memory area
after the ignition status is changed to IGN ON, the START signal is not sent.Power control ▶
The coding is available only when the ignition status is IGN1 ON.
Engine start ▶
If the SKM is in Virgin condition, the engine cranking can be performed up to 10 times.
No variant code in memory: IGN ON -> Check variant code -> Operate START switch -> Check
ignition status -> Request START
Variant code stored in memory: Normal operation -
-

04-22
When the ignition status is changed, the SKM communicates according to the body network
conditions as follows: 9.
OFF → ACC: Keep communicating for 5 sec.
OFF → IGN: Keep communicating
ACC → IGN: Keep communicating
IGN → Cranking: Keep communicating
Cranking→ IGN: Keep communicating
IGN → ACC: Keep communicating for 5 sec.
ACC → OFF: Keep communicating for 5 sec.
IGN → OFF: Keep communicating for 5 sec. -
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(3) Engine start
When the START button is pressed with the brake pedal applied and gear selector lever in P or N
position, the SKM performs the immobilizer verification and sends the engine START request signal
to the EMS if a normal coded smart key is found.
When the .engine start request signal from the START switch is received, the SKM sends the start
request signal through the PCAN and the smart key location signal through the BCAN to crank the
engine.
The SKM cuts the power for IGN2 and ACC relays while the engine is cranking as cutting the electric
load is necessary.
The SKM receives the engine start status signal from the EMS through the PCAN.
The SKM turns on the ACC/IGN2 relays after the engine cranking and sends the signal for [IGN after
starting] through BCAN.
When the START button is pressed and engine cranking request1 signal is sent, the EMS cranks the
engine after checking the engine warming up. If the engine cranking request2 signal is sent, the EMS
cranks the engine without checking the engine warming up. 1.
2.
3.
4.
5.
6.
Engine cranking request1:
When the START switch is pressed briefly under a normal condition
Engine cranking request2:
When the START switch is pressed once again while the engine cranking request1 signal is sent,
OR When the START switch is pressed for 3 sec. or more -
-
Starting engine while driving 7.
The engine start request signal is sent when the START switch is pressed, provided that the
vehicle speed is less than 10 Km/h or no vehicle speed signal is input, the gear selector lever is in
N position and the brake switch is ON with IGN ON (30 sec. verification is not required).
The engine start request signal is sent regardless of the brake signal when the START switch is
pressed, provided that the vehicle speed is 10 Km/h or more and the gear selector lever is in N
position with IGN ON (30 sec. verification is not required). -
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05-58010-01
Previous Current
Ambient temperature also displayed on vehicle with manual A/C control switch
Both SVC and STD class
Previous Current
Warning lamp symbols fulfil ISO standards used on all models
(e.g. 4WD CHECK indicator symbol)
4) Warning lamps according to ISO standards
5) Ambient temperature display
SVC class
This is displayed for 2 seconds when activating winter mode, displayed for 2 seconds when deactivating
winter mode and displayed for 4 seconds when starting engine and driving off (DOT LCD message).
AutomaticAutomatic
Manual
SVC classSVC class
STD class

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Indicator
(amber)
ESP ▶
ESP OFF indicator ▶
Engine check warning lamp ▶
Indicator
(amber)
Indicator
(amber)
Indicator (red)
Battery charge warning lamp ▶
Indicator (red)
Engine oil level warning lamp ▶This lamp comes on if any sensor or device related to the engine control is
defective.
This lamp comes on when the start switch is ON or when the battery level is
low.
(For EEM, warning lamp is controlled according to CAN signal)
This lamp comes on when the ignition switch is turned to "ON" position,
and then goes off if the engine oil level is normal.
If the engine oil level warning lamp comes on while driving, check the
engine oil level and oil leakage. -
- This indicator comes on when the ESP system is faulty.
This indicator comes on when pressing the ESP OFF switch.