check engine SSANGYONG MUSSO 2003 Service Manual

1F1-18 M162 ENGINE CONTROLS
Failurecode Item

18.1
Checking method
Test
stepRequirementSpecified
value Possible cause
73 2 8 - 12




Camshaft
actuator: Solenoidresistance
21.0 


Purge
control valve:- Vacuum control 
Engine:in idling/
normal operatingtemperature 
Vacuum line
 Purge control valve

Cable
 Camshaft actuator
Diagnosis socket
19.0
73 69 Engine is
unstable or stopped



Camshaft
actuator:MechanicalActuation
 Mechanical failure of
camshaft actuator
20.0 
Engine:in idling
34 11 The purge
control valve should be
operated after approx.
1minute.
(refer to figure 5)



Purge
control valve:- Operating226, 227,
 ECU
 Cable
 Purge control valve
 Ignition:ON 0.3 - 0.5 A
- Current
consumption
10 34
Creating
above 50mbar of vacuum
after approx. 1 minute
22.0 
Ignition:OFF
38 37 
Data bus
 22.1
 22.2
55 - 65




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 thecontrol valve andcanister
22,23, 24,26,27,29,30,31,59,60,

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,

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

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

1F1-30 M162 ENGINE CONTROLS
Failurecode ItemChecking method
Te s t
stepRequirementSpecified value Possible cause
3.2 - 3.6 bar



Fuel
pressure:in idling speed- When the vacuum isapplied 
Engine:in idling
- Close the valve screw on pressuretester
1.0 Connect the fuel
pressure test plug tothe pressure tester
(refer to the flgure on previous page). 
Fuel pump test
 Fuel pressure
regulator
3.7 - 4.2 bar



Fuel
pressure:in idling speed- When the vacuum isnot applied 
Engine:in idling
- Close the valve screw on pressuretester

2.0 Connect the fuel
pressure test plug tothe pressure tester
(refer to the flgure on previous page). 
Fuel pressure
regulator
> 3.0 bar



Fuel system
internalleakage: 
Engine:stop
3.0 Connect the fuel
pressure test plug tothe pressure tester
(refer to the flgure on previous page). 
The pressure drops
rapidly:non-returnvalve in fuel pump
> 2.5 bar

After 30 minutes from
engine stop 
The pressure drops
slowly: - Injector test- Fuel pressure regulator
- O-ring