1998 SSANGYONG MUSSO Workshop Repair Manual

1F2-16 M161 ENGINE CONTROLS
Failure
codeItem
Checking method Test
stepRequirement
Specified
valuePossible cause
·Ignition:OFF (injector
temperature is 20°C)14 - 17 W - Internal
resistance
(No.3
injector)65 11
Þ 14.0· ·· ·
· No.4 cylinder
injector:
- Operating &
injection time· When the coolant
temperature is
approx.20°C:
- Engine:in cranking8.0 ms· Cable
· ECU
· No.4 Injector
· Coolant
temperature sensor
· Oxygen sensor
· Intake air
temperature sensor 78,
79,
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
·Ignition:OFF
(injector temperature
is 20°C)14 - 17 W - Internal
resistance
(No.4
injector)66 11
226,
227,Þ 15.0· ·· ·
· Camshaft
actuator:
Current
consumption
12
Camshaft actuator1 - 1.5 A· ECU
· Þ 15.1
· Þ 16.0 ·
Engine : using a test
cable(102 589 63 00)
in idling, measure the
current consumption
with below condition
- Coolant temperature
: above 70°C
- Engine rpm :
increase up to 2000
rpm

M161 ENGINE CONTROLS 1F2-17
Failure
codeItem
Þ 15.1
Checking method Test
stepRequirement
Specified
valuePossible cause
73 28 - 12 W
· ·· ·
· Camshaft
actuator:
Solenoid
resistance
(E23 only)
Þ 18.0· ·· ·
· Purge
control
valve:
- Vacuum
control· Engine:in idling/
normal operating
temperature· Power supply cable
· OVPR
· Cable
· Camshaft actuatorDiagnosis
socket
Þ 16.0
73 69Engine is
unstable or
stopped.· ·· ·
· Camshaft
actuator:
Mechanical
actuation
(E23 only)· Mechanical failure
of camshaft
actuator
Þ 17.0
· 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:ON0.2 - 0.4 A - Current
consumption
10 34
Creating above
50mbar of
vacuum after
approx.
1 minute
Þ 19.0
· Ignition:OFF
38 37· Data bus
· Þ 19.1
· Þ 19.2 55 - 65 W
· ·· ·
· CAN data
bus
· Ignition:OFF
· Engine:in idling
40,
41,
54,
40,
41,
54,Connect the vacuum
gauge between the
control valve and
canister
22,23,
24,26,
27,29,
30,31,
59,60,

1F2-18 M161 ENGINE CONTROLS
Failure
codeItem
Þ 19.1
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 19.2
38 37115 - 125 W
· ·· ·
· CAN module
resistance in
ECU control
unit· ECU· Ignition:OFF
- disconnect the
coupling"No.1"
from ECU
Þ 20.0
55811 - 14 V· ·· ·
· Diagnosis
cable
operating· ECU
· Cable
· Ignition:ON

M161 ENGINE CONTROLS 1F2-19
Reference Figures
Figure1. RPM Sgnal OutputFigure 2. Injection Valve Wave(at idle speed)
Figure 3. Injection Valve Wave(at sharp
acceleration)Figure 4. Purge Control Valve Operationg Wave

1F2-20 M161 ENGINE CONTROLS
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
IGNITION SYSTEM TEST
08,· Þ 1.1
· Þ 1.2
Þ 1.1
· Ignition:ON
10 211 - 14V· ·· ·
· Ground
cable:
- Battery
ground· Ground cable
· Ground condition
(figure 1)Diagnosis
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 2.1
· Þ 2.2
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· Ignition:ON
69 7211 - 14 V· ·· ·
· Ignition
coil(T1/1)
- No.1,4
Cylinder64,· Cable
· Ignition coil(T1/1)
· Fuse No.17
· Engine:in cranking > 10 V

M161 ENGINE CONTROLS 1F2-21
Failure
codeItem
Checking method Test
stepRequirement
Specified
valuePossible cause
Þ 5.1· ·· ·
· Crankshaft
position
sensor:
- Resistance· Ignition:OFF
- Disconnect the
coupling “No.2”
from ECU (engine
side coupling).· Cable
· Crankshaft position
sensor Þ 5.0
· Engine:in cranking
99 100Measure the
signal (refer to
figure 6)· ·· ·
· Crankshaft
position
sensor:
- Signal17,
18,
20,
67,· Increament failure
in driven plate
· Þ 5.1
> 5 V - 99 100
99 100
1050 - 1400W
Þ 6.0
· Engine:in cranking
104 106· Þ 6.1
· Cable
· Camshaft position
sensor Measure the
signal(refer to
figure 8)
· ·· ·
· Camshaft
position
sensor:
(E23 only)
- Signal
Þ 4.0· Ignition:ON
69 7111 -14 V· ·· ·
· Ignition
coil(T1/2)
- No.2,3
Cylinder65,· Cable
· Ignition coil(T1/2)
· Fuse No.17
· Engine:in cranking > 10 V
· Engine:idling
- Voltage
(alternating)
· Engine:in cranking
· Engine:idling> 2.5 V -
19,
58,
106 11The value will
be changed in
1.2 - 1.7 V. - Voltage
(alternating)
· Engine:in cranking
Þ 6.1
· Ignition:ON
- Remove the
connector from the
camshaft position
sensor 1311 -14 V· ·· ·
· Camshaft
position
sensor
(E23 only)
- Power supply· Cable
· OVPR
Camshaft position
sensor

1F2-22 M161 ENGINE CONTROLS
Failure
codeItem
Checking method Test
stepRequirement
Specified
valuePossible cause
0.9 - 1.6 W 72 11
72 71
· ·· ·
· Ignition
coil(T1/1)
- Primary coil
voltage
(No.1 , 4
cylinder)· Engine:in cranking
(starter operating)
- Measuring range:
400 V
- Time range: 100 %
(using engine tester)
· Ignition:OFF200 - 350 V
64,Þ 7.0· Þ 7.1
Þ 7.1
· ·· ·
· Connection
ignition coil
between T1/
1 and T1/2· Cable
· Ignition coil T1/1
· Ignition coil T1/2
71 11
· ·· ·
· Ignition
coil(T1/2)
- Primary coil
voltage
(No.2 , 3
cylinder)· Engine:in cranking
(starter operating)
- Measuring range:
400 V
- Time range: 100 %
(using engine tester)200 - 350 V 65,Þ 8.0· Þ 8.1
0.9 - 1.6 W
71 72
· Ignition:OFFÞ 8.1· ·· ·
· Connection
ignition coil
between T1/
1 and T1/2· Cable
· Ignition coil T1/1
· Ignition coil T1/2 The
resistance of
ignition coil at
20°C is
approached
0.6W. The
resistance of
ignition coil at
20°C is
approached
0.6W.
8 - 20 KV
· ·· ·
· Ignition coil
(T1/1, T1/2)
- Secondary
ignition
voltage· Engine:in cranking
- Select the ignition
coil in order of T1/1,
T1/2
- Measuring range :
20KV
- Time range : 100%Þ 9.0 64,
65,Engine tester· Þ 9.1
· Ignition plug
· ECU
· High tension cable

M161 ENGINE CONTROLS 1F2-23
Failure
codeItem
Checking method Test
stepRequirement
Specified
valuePossible cause
> 10 MW
11 7 11 8· Ignition:OFF
- Disconnect the
coupling "No.2"
from ECU.Þ 10.1· ·· ·
· Knock
sensor
- Resistance· Connecting
condition
· Cable
· ECU 6 - 8.5 KW
· ·· ·
· Ignition coil
(T1/1, T1/2)
- Secondary
coil
resistance· Remove the high
tension cable of
T1/1, T1/2 Þ 9.1Ignition coil
(T1/1, T1/2)· Ignition coil T1/1
· Ignition coil T1/2
TM.4a
TM.4b
56,