SSANGYONG MUSSO 2003 Service Manual

M162 ENGINE CONTROLS 1F1-19
Failurecode Item

22.1
Checking method
Test stepRequirementSpecified
value Possible cause
38 37 115 - 125




CAN module
resistance in ABS, ABD,ASR controlunit
 Cable
 ABS, ABD, ASR
control unit Ignition:OFF
- disconnect the coupling "No.1" from ECU.
22.2
38 37 115 - 125




CAN module
resistance inECU controlunit
 ECU Ignition:OFF
- disconnect the coupling "No.1" from ECU.
23.0
558 11 - 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
Failurecode ItemChecking method
 Ignition:ON
Test stepRequirementSpecified
value Possible cause
10 12 11 - 14V



ECU:power
supply - terminal 30(TM.30)
2.2 


Power
supply:
- terminal 87(TM.87) 
Ignition:ON 
Power supply cable
 OVPR
IGNITION SYSTEM TEST
08, 
1.1
 1.2
1.1 
Ignition:ON
10 2 11 - 14V



Ground
cable:- Battery ground
 Ground cable
 Ground condition
(figure 1)
Diagnosis
socket
69 2
Diagnosis socket
1.2 
Ignition:ON
11 2 11 - 14V



Power
supply: - terminal 30(TM.30)
 Power supply cable
 Fuse No.8
Diagnosis socket
2.0 
Ignition:ON
51 1 11 -14V



ECU:power
supply - terminal 87(TM.87)
08, 
2.1
 2.2
2.1 
Ignition:ON 11 - 14V



Ground
cable - Electronic ground 
Ground cable
52
Diagnosis socket
11 1
Diagnosis
socket
 Ignition:OFF
11 - 14V
< 1V
3.0 
Ignition:ON
69 71 11 - 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
Failurecode ItemChecking method
Te s t
stepRequirementSpecified value Possible cause

6.1 


Crankshaft
position sensor:- Resistance 
Ignition:OFF
- Disconnect the coupling "NO.2"from ECU 
Cable
 Crankshaft position
sensor

6.0 
Engine:in cranking
99 100 Measure the
signal (refer to figure 6)



Crankshaft
positionsensor:- Signal
17, 18,20,67, 
6.1
 Increament failure in
driven plate
> 5 V -
99 100
99 100
1050 - 1400

7.0 
Engine:in cranking
104 106 
7.1
 Cable
 Camshaft position
sensor
Measure the
signal(refer to figure 7)



Camshaft
position sensor:- Signal
4.0 
Ignition:ON
69 72 11 -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,

5.0 
Ignition:ON
69 70 11 -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
Failurecode ItemChecking method
Te s t stepRequirementSpecified
value Possible cause
106 11 The value will
be changed in 1.2 - 1.7 V
- Voltage
(alternating)
0.9 - 1.6
71 11
71 72

Engine:in cranking
7.1 
Ignition:ON
- Remove the connector from the Camshaft positionsensor betweenNo.1 terminal andNo.3 terminal.
13
11 -14 V



Camshaft
positionsensor(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:OFF 200 - 350 VCamshaft position
sensor
64, 8.0
8.1
8.1 


Connecting
resistance of ignition coilbetween 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 4cylinder) 
Engine:in cranking
(starter operating)- Measuring range: 400 V
- Time range: 100 %(using engine tester) 200 - 350 V
65, 9.0
9.1
0.9 - 1.6
72 71
 Ignition:OFF 9.1 


Connecting
resistance of ignition coilbetween T1/2 and T1/1 
Cable
 Ignition coil T1/1
 Ignition coil T1/2
The
resistance of
ignition coil at 20°C is
approached 0.6
The
resistance of
ignition coil at 20°C is
approached 0.6

1F1-24 M162 ENGINE CONTROLS
Failurecode ItemChecking method
Test
stepRequirementSpecified
value Possible cause
8 - 20 KV



Ignition coil
(T1/1, T1/2, T1/3)
- Secondary ignition voltage
> 10 M
117 118
 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" fromECU.
12.0 


Knock
sensor 1 - Resistance (cylinder No1, 2, 3) 
Connecting
condition
 Cable
 ECU

11.0
64,65,66, Engine tester

11.1
 Ignition plug
 ECU
 High tension cable
6 - 8.5 K



Ignition coil
(T1/1, T1/2, T1/3)
- Secondary coilresistance 
Remove the high
tension cable of T1/1, T1/2, T1/3.

11.1 Ignition coil
(T1/1, T1/2, T1/3) 
Ignition coil T1/1
 Ignition coil T1/2
 Ignition coil T1/3
TM.4a TM.4b
56,
11



Ignition
coil(T1/3) - primary coil voltage(No.1 and 6cylinder) 
Engine:in cranking
(starter operating)- Measuring range: 400 V
- Time range: 100 % 200 - 350 V
66, 10.0
10.1
0.9 - 1.6
70 72
 Ignition:OFF 10.1 


Connecting
resistance of ignition coilbetween T1/3 and T1/2 
Cable
 Ignition coil T1/3
 Ignition coil T1/2
> 10 M
114 115 Ignition:OFF
- Disconnect the coupling "No.2" from ECU. 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 0.6

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
2.1 
Ignition:ON
50 51 2.25 - 2.75 V



Pedal valve
sensor: - Power supply
(potentiometer 2)
Cable
 ECU
Failure
code Item

1.0
Checking method
 Ignition:ON
 Position of
accelerator pedal: - Closed throttle position
- Full throttle with kick down
Test
stepRequirement
Specified value Possible cause
31 47 0.3 - 0.7 V



Pedal valve
sensor: - Signal
(potentiometer 1)
160, 161,164,167,
4.3 - 4.8 V 
1.1
 Cable
 Pedal valve sensor
1.1 
Ignition:ON
31 32 4.75 - 5.25 V



Pedal valve
sensor: - Power supply
(potentiometer 1)

Cable
 ECU
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
2.1
 Cable
 Pedal valve sensor
3.0 
Engine:in idling
84 87 0.3 - 0.9 V



Throttle
valveactuator:- SignalThrottle valve
potentiometer 1
104, 105,108,109,116,119,185,
4.0 - 4.6 V
3.1
 Cable
 E-GAS actuator
 Position of
accelerator pedal:- Closed throttle position
- Full throttle with kick down

M162 ENGINE CONTROLS 1F1-27
Failurecode ItemChecking method
Test
stepRequirementSpecified
value Possible cause
3.1 
Ignition:ON
84 112 4.75 - 5.25 V



Throttle
valve actuator:- Power supply(5V)
 Cable
 ECU
4.0 
Ignition:ON
68 67 0.8 - 2.3 V
The value will
be changed in 1.0 - 2.5V.



Throttle
valve actuator:- Signal Throttle valve actuatormotor voltagesupply
104, 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 valvepotentiometer1+2
 Ignition:OFF
< 10
Throttle valve actuatormotorresistance 68 67

1F1-28 M162 ENGINE CONTROLS
AIR CONDITIONER CONTROL SYSTEM TEST
2.0 
Engine:In idling
 Air conditioner
switch : ON/OFF Air conditionerswitch : OFFAir conditionerswitch : ONCoolant temperature:above 105 °C
10 35
11 - 14 V 11 - 14 V
< 1 V



Condenser
fan(HI) control: Condenser fan
relay
 Fan motor
 ECU
Failure
code Item

1.0
Checking method
 Engine:In idling
 Air conditioner
switch : ON/OFF
Air conditioner switch : OFFAir conditionerswitch : ON
Te s t
stepRequirement
Specified value Possible cause
10 44 < 1 V



Air
conditioner signal:- Input signal (input signalfrom thermoamplifier)
44, 45,
11 - 14 V
5.1
 Cable
 Thermo amp
 Auto amp
 Dual pressure
switch
 Air conditioner
control panel
1.1 
Engine:In idling
 Air conditioner
switch : ON/OFFAir conditionerswitch : OFFAir conditionerswitch:ON
10 27
< 1 V



Air
conditionercompressor:- Output signal
11 - 14 V 
Thermo amp
 Auto amp
 Dual pressure
switch
 Air conditioner
control panel
 ECU