SsangYong Rexton. Service manual — part 435
SSANGYONG Y200
1F2-62 M161 ENGINE CONTROLS
YAD1F510
COOLING FAN
Failure
Code
Description
Trouble Area
Maintenance Hint
Cooling fan (HI ) relay
short circuit to power
Cooling fan (HI ) relay
short circuit to ground
or open
Cooling fan short circuit to
power
Cooling fan short circuit to
ground or open
•
Inspection the Engine Control Module
(ECM) pin 35 about short circuit or open
with bad contact
•
Inspection the power source
•
Inspection the cooling fan
•
Inspection the ECM
44
45
Circuit Description
Ignition voltage is supplied directly to the cooling fan relay coil. The ECM controls the relay by grounding the
control circuit. When the ECM is commanding a command ON, the voltage of the control circuit should be low
(near 0 volt).
When the ECM is commanding the control circuit should be high (near battery voltage). If the fault detection circuit
senses a voltage other than what is expected, the fault line status will change causing the fault code to set.
M161 ENGINE CONTROLS 1F2-63
SSANGYONG Y200
YAD1F520
A/C COMPRESSOR RELAY
Failure
Code
Description
Trouble Area
Maintenance Hint
A/C compressor relay
short circuit to battery
A/c compressor relay
short circuit to ground
or open
When malfunction of A/C
compressor control
•
Monitoring the actual operation through
scan tool
•
Inspection the Engine Control Module
(ECM) pin 44 about short circuit or open
with bad contact
•
Inspection the relay short circuit or open
•
Inspection the ECM
228
229
Circuit Description
When the ECM detects that A/C has been requested, the ECM will activated the A/C clutch relay. When the relay
has been activated, voltage should be present at both the A/C clutch relay and A/C switch circuit at ECM.
SSANGYONG Y200
1F2-64 M161 ENGINE CONTROLS
CRUISE CONTROL SWITCH
YAD1F530
Circuit Description
Cruise control is an automatic speed control system that maintain adesired driving speed with out using the
accelerator pedal. The vehicle speed must be greater than 40 km/h to engage cruise control.
Failure
Code
Description
Trouble Area
Maintenance Hint
Cruise control “OFF”
due to message counter
failure
Vehicle speed signal
failure
Vehicle speed signal
failure
Cruise control lever
failure
Cruise control
acceleration failure
Cruise control
deceleration failure
Cruise control system
message counter fault
When malfunction of
auto-cruise system
Implausible condition of
vehicle speed signal.
Cruise control lever defective
Cruise control system
Implausible condition of
acceleration signal
Cruise control system
Implausible condition of
deceleration signal
•
Monitoring the actual recognition status
and vehicle speed signal through scan
tool
•
Inspection the Engine Control Module
(ECM) pin 52, 53, 54, 55, 57 about short
circuit or open with bad contact
•
Inspection the CAN and ABS
•
Inspection the cruise control lever switch
•
Inspection the ECM
129
130
131
132
133
134
M161 ENGINE CONTROLS 1F2-65
SSANGYONG Y200
Circuit Description
Battery voltage is supplied to the TCS warning lamp with the ignition in ON and START. The warning lamp can be
activated only by the Electrical Brake Control Module (EBCM) internally supplying ground to terminal 21. If the
TCS input circuit is open or short, this failure code will be set.
Failure
Code
Description
Trouble Area
Maintenance Hint
TCS input signal short
circuit to battery
TCS input signal short
circuit to ground or
open
TCS short circuit to power
TCS short circuit to ground
or open
•
Inspection the Engine Control Module
(ECM) pin 45 about short circuit or open
with bad contact
•
Inspection the TCS lamp of I/P cluster.
•
Inspection the ECM
150
151
TRACTION CONTROL SYSTEM (TCS)
YAD1F540
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