engine SSANGYONG MUSSO 1998 Workshop Repair Manual

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,

1F2-24 M161 ENGINE CONTROLS
Reference Figures
Figure 5. Crankshaft Position Sensor Signal
a Voltage
b Identifying the No.1 - 2 Missing TeethFigure 6. Camshaft Position Sensor Signal
Figure 7. Signal Function
1 Crank Angle
2 Cylinder
3 Crankshaft Position Sensor Signal
4 Camshaft Position Sensor Signal
5 RPM Signal TNA

M161 ENGINE CONTROLS 1F2-25
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
0.2 - 0.5 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

1F2-26 M161 ENGINE CONTROLS
Failure
codeItem
Checking method Test
stepRequirementSpecified
valuePossible cause
Þ 3.1· Ignition:ON
84 1124.75 - 5.25 V· ·· ·
· Throttle
valve
actuator:
- Power
supply· Cable
· ECU
Þ 4.0
· Ignition:ON
68 670.8 - 2.3 V
The value will
be changed in
1.0 - 2.5V.· ·· ·
· Throttle
valve
actuator:
- Signal
Throttle valve
actuator
motor
voltage
supply104,
105,
108,
109,
116,
119,
185,· ECU
· Cable
· E-GAS actuator
· Engine:in idling
- Coolant
temperature:
> 70 °C 84 85
4.0 - 4.6 V

Throttle valve
potentiometer
2
0.3 - 0.9 V
· Position of
accelerator pedal:
- Closed throttle
position
- Full throttle with
kick down
Throttle
valve
potentiometer
1+2
· Ignition:OFF
< 10 W
Throttle valve
actuator
motor
resistance68 67

M161 ENGINE CONTROLS 1F2-27
AIR CONDITIONER CONTROL SYSTEM TEST
Þ 2.0· Engine:In idling
· Air conditioner
switch:ON/OFF
Air conditioner
switch:OFF
Air conditioner
switch:ON
Coolant temperature:
above 150 °C 10 35
11 - 14 V
11 - 14 V
< 1 V
· ·· ·
· Condenser
fan(HI)
control:
Failure
codeItem
Þ 1.0
Checking method
· Engine:In idling
· Air conditioner
switch:ON/OFF
Air conditioner
switch:OFF
Air conditioner
switch:ON
Te s t
stepRequirement
Specified
value
10 44
< 1 V
· ·· ·
· Air
conditioner
signal:
- Input signal
(input signal
from thermo
amplifier)44,
45,
11 - 14 V· Þ 5.1
· Cable
· Thermo amp
· Auto amp
· Dual pressure
switch
· Air conditioner
control panel
Þ 1.1
· Engine:In idling
· Air conditioner
switch:ON/OFF
Air conditioner
switch:OFF
Air conditioner
switch:ON 10 27
< 1 V
· ·· ·
· Air
conditioner
compressor:
- Output
signal
11 - 14 V