engine SSANGYONG MUSSO 1998 Workshop Repair Manual

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

M162 ENGINE CONTROLS 1F1-21
Failure
codeItemChecking method 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
· Fuse No.8Diagnosis
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
6911 - 14 V· ·· ·
· Ignition
coil(T1/1)
- No.2,5
Cylinder64,· Cable
· Ignition coil(T1/1)
· Fuse No.17
· Engine:in cranking > 10 V

1F1-22 M162 ENGINE CONTROLS
Failure
codeItemChecking method Te s t
stepRequirementSpecified
valuePossible cause
Þ 6.1· ·· ·
· Crankshaft
position
sensor:
- Resistance· Ignition:OFF
- Disconnect the
coupling "NO.2"
from ECU· Cable
· Crankshaft position
sensor Þ 6.0
· Engine:in cranking
99 100Measure the
signal (refer to
figure 6)· ·· ·
· Crankshaft
position
sensor:
- Signal17,
18,
20,
67,· Þ 6.1
· Increament failure in
driven plate
> 5 V - 99 100
99 100
1050 - 1400W
Þ 7.0
· Engine:in cranking
104 106· Þ 7.1
· Cable
· Camshaft position
sensor Measure the
signal(refer to
figure 7)
· ·· ·
· Camshaft
position
sensor:
- Signal
Þ 4.0· Ignition:ON
69 7211 -14 V· ·· ·
· Ignition
coil(T1/2)
- No.3,4
Cylinder65,· Cable
· Ignition coil(T1/2)
· Fuse No.17
· Engine:in cranking > 10 V
· Engine:in idling
- Voltage
(alternating)
· Engine:in cranking
· Engine: in idling> 2.5 V -
19,
58,
Þ 5.0· Ignition:ON
69 7011 -14 V· ·· ·
· Ignition
coil(T1/3)
- No.1,6
Cylinder66,· Cable
· Ignition coil(T1/3)
· Fuse No.17
· Engine:in cranking > 10 V
17,
18,
20,
67,Voltage value
is increased
when engine
rpm is
increased

M162 ENGINE CONTROLS 1F1-23
Failure
codeItemChecking method Te s t
stepRequirementSpecified
valuePossible cause
106 11The value will
be changed in
1.2 - 1.7 V - Voltage
(alternating)
0.9 - 1.6 W 71 11
71 72
· Engine:in cranking
Þ 7.1
· Ignition:ON
- Remove the
connector from the
Camshaft position
sensor between
No.1 terminal and
No.3 terminal. 1311 -14 V· ·· ·
· Camshaft
position
sensor
(E23 only)
- Power
supply· Cable
· OVPR
· ·· ·
· Ignition
coil(T1/1)
- primary coil
voltage
(No.2 and 5
cylinder)· Engine:in cranking
(starter operating)
- Measuring range:
400 V
- Time range: 100 %
(using engine tester)
· Ignition:OFF200 - 350 V
Camshaft position
sensor
64,Þ 8.0· Þ 8.1
Þ 8.1
· ·· ·
· Connecting
resistance of
ignition coil
between T1/
1 and T1/2· Cable
· Ignition coil T1/1
· Ignition coil T1/2
72 11
· ·· ·
· Ignition
coil(T1/2)
- primary coil
voltage
(No.3 and 4
cylinder)· Engine:in cranking
(starter operating)
- Measuring range:
400 V
- Time range: 100 %
(using engine tester)200 - 350 V 65,Þ 9.0· Þ 9.1
0.9 - 1.6 W
72 71
· Ignition:OFFÞ 9.1· ·· ·
· Connecting
resistance of
ignition coil
between T1/
2 and T1/1· 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

1F1-24 M162 ENGINE CONTROLS
Failure
codeItemChecking method Test
stepRequirementSpecified
valuePossible cause
8 - 20 KV· ·· ·
· Ignition coil
(T1/1, T1/2,
T1/3)
- Secondary
ignition
voltage
> 10 MW
11 7 11 8· Engine:in cranking
- Select the ignition
coil in order of T1/1,
T1/2
- Measuring range:
20KV
- Time range:100 %
· Ignition:OFF
- Disconnect the
coupling "No.2" from
ECU.Þ 12.0· ·· ·
· Knock
sensor 1
- Resistance
(cylinder
No1, 2, 3)· Connecting
condition
· Cable
· ECU Þ 11.0 64,
65,
66,
Engine tester· Þ 11.1
· Ignition plug
· ECU
· High tension cable
6 - 8.5 KW
· ·· ·
· Ignition coil
(T1/1, T1/2,
T1/3)
- Secondary
coil
resistance· Remove the high
tension cable of T1/
1, T1/2, T1/3. Þ 11.1Ignition coil
(T1/1, T1/2, T1/3)· Ignition coil T1/1
· Ignition coil T1/2
· Ignition coil T1/3TM.4a
TM.4b
56,
11
· ·· ·
· Ignition
coil(T1/3)
- primary coil
voltage
(No.1 and 6
cylinder)· Engine:in cranking
(starter operating)
- Measuring range:
400 V
- Time range: 100 %200 - 350 V 66,Þ 10.0· Þ 10.1
0.9 - 1.6 W
70 72
· Ignition:OFFÞ 10.1· ·· ·
· Connecting
resistance of
ignition coil
between T1/
3 and T1/2· Cable
· Ignition coil T1/3
· Ignition coil T1/2
> 10 MW
11 4 11 5· Ignition:OFF
- Disconnect the
coupling "No.2" from
ECU.Þ 13.0· ·· ·
· Knock
sensor 2
- Resistance
(cylinder
No.4, 5, 6)· Connecting
condition
· Cable
· ECU 57,
The
resistance of
ignition coil at
20°C is
approached
0.6W

M162 ENGINE CONTROLS 1F1-25
Reference Figures
Figure 6. Crankshaft Position Sensor Signal
a Voltage
b Identifying the No.1 - 2 Missing TeethFigure 7. Camshaft Position Sensor Signal
Figure 8. Signal Function
1 Crank Angle
2 Cylinder
3 Crankshaft Position Sensor Signal
4 Camshaft Position Sensor Signal
5 RPM Signal

1F1-26 M162 ENGINE CONTROLS
IDLING CONTROL AND ELECTRONIC PEDAL SYSTEM TEST
Þ 2.1· Ignition:ON
50 512.25 - 2.75 V· ·· ·
· Pedal valve
sensor:
- Power
supply

(potentiometer 2)
· Cable
· ECU
Failure
codeItem
Þ 1.0
Checking method
· Ignition:ON
· Position of
accelerator pedal:
- Closed throttle
position
- Full throttle with kick
down
Test
stepRequirement
Specified
valuePossible cause
31 47
0.3 - 0.7 V
· ·· ·
· Pedal valve
sensor:
- Signal

(potentiometer 1)
160,
161,
164,
167,
4.3 - 4.8 V
· Þ 1.1
· Cable
· Pedal valve sensor
Þ 1.1
· Ignition:ON
31 324.75 - 5.25 V· ·· ·
· Pedal valve
sensor:
- Power
supply

(potentiometer 1)
· Cable
· ECU
Þ 2.0
· Ignition:ON
· Position of
accelerator pedal:
- Closed throttle
position
- Full throttle with kick
down 50 48
0.1 - 0.4 V
· ·· ·
· Pedal valve
sensor:
- Signal

(potentiometer 2)
162,
163,
164,
167,
2.1 - 2.5 V· Þ 2.1
· Cable
· Pedal valve sensor
Þ 3.0
· Engine:in idling
84 87
0.3 - 0.9 V· ·· ·
· Throttle
valve
actuator:
- Signal
Throttle valve
potentiometer 1104,
105,
108,
109,
116,
119,
185,
4.0 - 4.6 V· Þ 3.1
· Cable
· E-GAS actuator
· Position of
accelerator pedal:
- Closed throttle
position
- Full throttle with kick
down