SSANGYONG MUSSO 1998 Workshop Repair Manual

M162 ENGINE CONTROLS 1F1-11
FUEL INJECTION SYSTEM TEST (MSE3.62)
Failure
codeItem
Þ 1.0
Checking method
· Ignition:ON
Test
stepRequirementSpecified
valuePossible cause
10 1211 -14V
· ·· ·
· ECU:power
supply
- terminal
30(TM.30)
Þ 2.2· ·· ·
· Power
supply:
- terminal
87(TM.87)· Ignition:ON· Power supply cable
· OVPR 08,
·Þ 1.1
·Þ 1.2
Þ 1.1
· Ignition:ON
10 211 -14V· ·· ·
· Ground
cable:
- Battery
ground· Ground cable
· Ground conditionDiagnosis
socket
69 2
Diagnosis
socket
Þ 1.2· Ignition:ON
11211 -14V· ·· ·
· Power
supply:
- terminal
30(TM.30)· Power supply cable
Diagnosis
socket
Þ 2.0· Ignition:ON
51111 -14V· ·· ·
· ECU:power
supply
- terminal
87(TM.87)08,·Þ 1.1
·Þ 2.1
Þ 2.1
· Ignition:ON 11 -14V· ·· ·
· Ground
cable
- Electronic
ground· Ground cable
52
Diagnosis
socket
111
Diagnosis
socket· Ignition:OFF
11 -14V
< 1V
Þ 3.0
· Engine:in Cranking
52· Cable
· Ignition switch 11 -14
(during engine
cranking)
· ·· ·
· Start signal:
- terminal
50(TM.50)

1F1-12 M162 ENGINE CONTROLS
Failure
codeItem
09,
10,
11,
Checking method Te s t
stepRequirementSpecified
valuePossible cause
Þ 4.0· ·· ·
· HFM sensor
signal
105 81· Ignition:ON0.9 - 1.1V· Þ 4.1 - 4.3
· Cable
· External air inflow
· HFM sensor
· Engine:in Idle
(Coolant temperature
: > 70°C )
: voltage value is
increased when
engine rpm is
increased1.3 - 1.7V
Þ 4.1
105 4
· Ignition:ON
· HFM sensor
connector removed4.7 - 5.2V
· Cable
· ECU coupling
· ·· ·
· HFM sensor:
- 5V power
supplyHFM
sensor
Þ 4.2
3 108· Ignition:ON
· HFM sensor
connector removed4.7 - 5.2V
· Þ 4.3
· Cable
· ·· ·
· HFM sensor:
- 5V power
supplyHFM
sensor
Þ 4.3
104 2· Ignition:ON
· HFM sensor
connector removed11 - 14V
· Cable
· OVPR
· ·· ·
· HFM sensor:
- 12V power
supplyHFM
sensor
03,
04,
05,Þ 5.0· ·· ·
· Intake air
temperature
sensor:
- Voltage105 80· Ignition:ON· Þ 5.1
· ECU
± 5%
Þ 5.1· Ignition:OFF
· No.2 ECU coupling
removed 105 80
· Cable
· HFM sensor
· ·· ·
· Intake air
temperature
sensor:
- Resistance°C
10
20
30
40
50
60
± 5%W
3600
2420
1662
1166
853
600 °C
10
20
30
40
50
60V
3.1
2.65
2.18
1.76
1.4
1.1

M162 ENGINE CONTROLS 1F1-13
Failure
codeItemChecking method Te s t
stepRequirement
Specified
valuePossible cause
Þ 6.1· Ignition:ON0.1 - 0.3A· Cable
· Fuel pump relay
· ECU
· ·· ·
· Fuel pump
relay:
- Current
consumption
00,
01,
02,
06,Þ 7.0· ·· ·
· Coolant
temperature
sensor:
- Voltage79 78· Ignition:ON°CV
20 3.57
80 1.22
100 0.78· Þ 7.1
· ECU
±5% Þ 6.0
· Ignition:ON
(Fuel pump relay will
operate for 1 - 2
seconds when the
ignition switch is
turned to "ON" after
stopping the engine)
· Engine:cranking 33 11
· Cable
· Fuel pump relay
· ·· ·
· Fuel pump
relay:
- Operation34,11 - 14V
(approx.1-
2sec.)
11 - 14V
(Cranking or
driving)
533
Þ 7.1· Ignition:OFF
(Remove the No.2
coupling from ECU) 79 78· Þ 7.2
· Cable
· ·· ·
· Coolant
temperature
sensor:
- Resistance
& cable°CW
20 2500
80 322
100 185
±5%
Þ 7.2· ·· ·
· Coolant
temperature
sensor:
- ResistanceCoolant temperature
sensor:
14
· Remove the
connector from
coolant temperature
sensor and measure
the resistance
between No.1 and
No.2 pin with
multimeter.· Þ refer to
specified
resistance
value of 7.1· Coolant
temperature
sensor 34,
35,

1F1-14 M162 ENGINE CONTROLS
Failure
codeItemChecking method Test
stepRequirementSpecified
valuePossible cause
Þ 9.0· Keep the engine run
above 2 minutes in
over 80°C of coolant
temperature.6.0 - 7.0 V· ECU
· Cable
· Oxygen sensor
· ·· ·
· Oxygen
sensor:
- Signal80,
81,
82,
83,
89,560
Þ 8.0· Engine:in cranking or
idle
560· Cable
· ECU
· ·· ·
· ECU:
- RPM signal
output32,
33,refer to figure
2
Þ 10.0· Keep the engine run
above 2 minutes in
over 80°C of coolant
temperature.· ·· ·
· Oxygen
sensor:
- Heating
function
operated
Þ 11.0· ·· ·
· No.1
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking8.0 ms· Cable
· ECU
· No.1 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor
- Voltage· Engine:in cranking
or idle
(above 5V in idling)
16 17
59
911
· Ignition:ON11 - 14 V
· ECU
· Cable
· Oxygen sensor
- Current
consumption0.2 - 2.0 A
72,
73,
63 11
· When the coolant
temperature is
approx. 80°C:
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms There will be a
voltage
fluctuation in
the range of
- 0.2 -1.0V
85,
86,
87,

M162 ENGINE CONTROLS 1F1-15
Failure
codeItem
Checking method Test
stepRequirementSpecified
valuePossible cause
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.1
injector)63 11
Þ 12.0· ·· ·
· No.2
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking8.0 ms· Cable
· ECU
· No.2 Injector
· Coolant
temperature
sensor
· Oxygen sensor
· Intake air
temperature
sensor 74,
75,
61 11
· When the coolant
temperature is
approx. 80°C:
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.2
injector)61 11
Þ 13.0· ·· ·
· No.3
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking
8.0 ms· Cable
· ECU
· No.3 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor 76,
77,
66 11
· When the coolant
temperature is
approx. 80°C:
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms

1F1-16 M162 ENGINE CONTROLS
Failure
codeItemChecking method Te s t
stepRequirementSpecified
valuePossible cause
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.3
injector)66 11
Þ 14.0· ·· ·
· No.4
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking
8.0 ms· Cable
· ECU
· No.4 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor 78,
79,
62 11
· When the coolant
temperature is
approx. 80°C
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.4
injector)62 11
192,
193,Þ 15.0· ·· ·
· No.5
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking8.0 ms· Cable
· ECU
· No.5 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor 65 11
· When the coolant
temperature is
approx. 80°C:
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms

M162 ENGINE CONTROLS 1F1-17
Failure
codeItemChecking method Test
stepRequirementSpecified
valuePossible cause
Þ 17.0· ·· ·
· Variable
intake air
valve
(resonance
flap switch
valve)
- Operating· Engine:in cranking/
below 3500rpm· ECU
· Cable
· Variable intake air
valve
< 1V
· Ignition:ON
0.4 - 0.6A - Current
consumption 198,
199,
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.5 injector)65 11
Þ 16.0· ·· ·
· No.6
cylinder
injector:
- Operating &
injection
time· When the coolant
temperature is
approx. 20°C:
- Engine:in cranking
8.0 ms· Cable
· ECU
· No.6 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor 194,
195,
64 11
· When the coolant
temperature is
approx. 80°C:
- Engine:at idling
speed
- Engine:at sharp
acceleration(full
throttle)
(refer to figure 3 and
4)approx.
2.7 - 5.0ms
approx.
14ms
·Ignition:OFF(injector
temperature is 20°C)14 - 17 W
- Internal
resistance
(No.6 injector)64 11
97 11
69 97
· Engine:rpm > above
3500rpm11 - 15V
· ·· ·
· Camshaft
actuator:
Current
consumption
12
Camshaft actuator1 - 1.5 A· ECU
· Þ 18.1
· Þ 19.0
Þ 18.0 226,
227,· Engine : in idling
- Coolant temperature
: above 70°C
- Engine rpm :
increase up to 2000
rpm

1F1-18 M162 ENGINE CONTROLS
Failure
codeItem
Þ 18.1
Checking method Test
stepRequirementSpecified
valuePossible cause
73 28 - 12 W
· ·· ·
· Camshaft
actuator:
Solenoid
resistance
Þ 21.0· ·· ·
· Purge
control
valve:
- Vacuum
control· Engine:in idling/
normal operating
temperature· Vacuum line
· Purge control valve
· Cable
· Camshaft actuator
Diagnosis
socket
Þ 19.0
73 69Engine is
unstable or
stopped· ·· ·
· Camshaft
actuator:
Mechanical
Actuation· Mechanical failure of
camshaft actuator
Þ 20.0
· Engine:in idling
34 11The purge
control valve
should be
operated after
approx.
1minute.
(refer to figure
5)· ·· ·
· Purge
control
valve:
- Operating
226,
227,
· ECU
· Cable
· Purge control valve
· Ignition:ON0.3 - 0.5 A - Current
consumption
10 34
Creating
above 50mbar
of vacuum
after approx.
1 minute
Þ 22.0
· Ignition:OFF
38 37· Data bus
· Þ 22.1
· Þ 22.2 55 - 65 W
· ·· ·
· CAN data
bus
· Ignition:OFF
· Engine:in idling
- connect the bridge
to the test box for
approx. 10 seconds
40,
41,
54,
Connect the vacuum
gauge between the
control valve and
canister
22,23,
24,26,
27,29,
30,31,
59,60,

M162 ENGINE CONTROLS 1F1-19
Failure
codeItem
Þ 22.1
Checking method Test
stepRequirementSpecified
valuePossible cause
38 37115 - 125 W
· ·· ·
· CAN module
resistance in
ABS, ABD,
ASR control
unit· Cable
· ABS, ABD, ASR
control unit
· Ignition:OFF
- disconnect the
coupling "No.1" from
ECU.
Þ 22.2
38 37115 - 125 W
· ·· ·
· CAN module
resistance in
ECU control
unit· ECU· Ignition:OFF
- disconnect the
coupling "No.1" from
ECU.
Þ 23.0
55811 - 14 V· ·· ·
· Diagnosis
cable
operating· ECU
· Cable
· Ignition:ON
22,23,
24,26,
27,29,
30,31,
59,60,

1F1-20 M162 ENGINE CONTROLS
Reference Figures
Figure2. RPM Sgnal OutputFigure 3. Injection Valve Wave(at idle speed)
Figure 4. Injection Valve Wave(at sharp
acceleration)Figure 5. Purge Control Valve Operationg Wave