SsangYong Rexton. Manual — part 439
SSANGYONG Y200
1F2-82 M161 ENGINE CONTROLS
ELECTRONIC THROTTLE CONTROLLER SAFETY MALFUNCTION
Failure
Code
Description
Trouble Area
Maintenance Hint
Throttle actuator
learning data fault
Exceed fuel-cut safety
time
Cruise control
interruption memory
failure
Call Monitoring
Servo motor control
output interruption
memory failure
Servo motor open/short
ECM failure
(incompatible CPU)
ECM failure (CPUs
communication failure)
ECM failure (CPU 2
configuration failure)
ECM failure
(CPU 2 fault)
ECM failure
(CPU run time failure
between CPUs)
ECM failure (CPU 2
cruise control message
counter failure)
Over deceleration limit
(CPU 2)
Over acceleration limit
(CPU 2)
Cruise control lever dual
operation (CPU 2)
Cruise control lever
safety terminal failure
(CPU 2)
Unusual pedal position
variation (CPU 2)
Unusual throttle position
variation (CPU 2)
Unusual throttle
controller monitoring
data comparison fault
(CPU 2)
System internal failure
•
Inspection the Engine Control Module
(ECM)
110
117
120
138
139
140
186
187
188
189
190
231
232
233
234
235
236
237
238
M161 ENGINE CONTROLS 1F2-83
SSANGYONG Y200
Failure
Code
Description
Trouble Area
Maintenance Hint
Unusual accelerator
pedal position sensor
comparison fault
(CPU 2)
Throttle potentiometer
comparison fault
(CPU 2)
Unusual CPU
communication (CPU 2)
Unusual CPU
configuration (CPU 2)
A/D converter failure
(CPU 2)
Accelerator pedal
position sensor setpoint
fault between CPU 1
and CPU 2
Position controller
setpoint fault between
CPU 1 and CPU 2
MSR setpoint fault
between CPU 1 and
CPU 2
Idle control setpoint
fault between CPU 1
and CPU 2
A/D converter overflow
(CPU 2)
ROM fault (CPU 2)
RAM fault (CPU 2)
Cycle monitor fault
(CPU 2)
System internal failure
•
Inspection the Engine Control Module
(ECM)
239
240
241
242
243
244
245
246
247
248
249
250
251
SSANGYONG Y200
1F2-84 M161 ENGINE CONTROLS
IMMOBILIZER
YAD1F630
Circuit Description
Immobilizer is a device disabling vehicle ignition unless a specific key is used and designed to help prevent
vehicle theft.
Immobilizer is comprised of two devices, a key with encoded transponder and ECM with the same encoding of
the transponder. When a key is inserted into the hole to start vehicle and turned to ON, the ECM reads and
decodes the transponder code and, if the same, starts the engine, it is called immobilizer. It means immobilizer
system disables starting by stopping fuel supply if the code in the transponder does not match the code stored
in ECM each other.
Failure
Code
Description
Trouble Area
Maintenance Hint
Communication with
transponder missing
Unprogramed ECM with
immobilizer
When missing the transpon-
der signal
When malfunction of
immobilizer
Required immobilizer
encoding, no paired
condition of immobilizer even
through start trial
•
Inspection the Engine Control Module
(ECM) pin 13, 14 about short circuit or
open with bad contact
•
Inspection the power source or ground
short circuit or open of immobilizer unit
•
Inspection the transponder condition
(broken etc.)
•
Inspection the ECM
•
Fulfill the immobilizer pairing
25
141
M161 ENGINE CONTROLS 1F2-85
SSANGYONG Y200
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
DISCHARGING THE PRESSURE IN
FUEL SYSTEM
Removal and Installation Procedure
1. Remove the fuel pressure test connector.
Installation Notice
YAA1F700
YAA1F710
YAA1F170
Tightening Torque
25 N•m (18 lb-ft)
2. Remove the fuel pressure in fuel systemby
pressing the service valve with a clean, pointy
tool.
Notice: Place a cloth so that the fuel doesn’t stain
around.
3. Installation should follow the removal procedure
in the reverse order.
FUEL PUMP
Tools Required
661 589 00 46 00
Fuel Tank Cap Wrench
Removal and Installation Procedure
Caution: The fuel system is under pressure. To avoid
fuel spillage and the risk of personal injury or fire,
it is necessary to relieve the fuel system pressure
before disconnecting the fuel lines.
1. Relieve the fuel system pressure. Refer to
“Discharging the Pressure in Fuel System” in this
section.
2. Disconnect the negative battery cable.
3. Put aside the floor carpet to remove the fuel pump
access cover.
4. Remove the fuel pump access cover.
5. Remove the fuel pump wiring connectors.
6. Disconnect the fuel supply and return pipes.
7. Remove the fuel pump locking cap band.
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