1998 SSANGYONG MUSSO Workshop Repair Manual

M162 ENGINE CONTROLS 1F1-31
FUEL PUMP TEST
Preparation
1 ECU
2 Test Coupling(No.1-60)
3 Test Coupling(No.61-120)
4 Stop Watch
5 Measuring Beaker
Connection of the Equipment
1. Turn the ignition switch to "OFF" position.
2. Connect the test box to the ECU.0 3 Test Box
04 ECU Test Cable
Tools Required
103 589 00 21 00 Pressure Tester
210 589 00 99 00 Adaptor Line
129 589 00 21 00 Test Box
210 589 08 63 00 Ecu Test Cable

1F1-32 M162 ENGINE CONTROLS
Failure
codeItemChecking method Test
stepRequirementSpecified
valuePossible cause
1 liter of fuel
supply for
max. 35
seconds· ·· ·
· Fuel pump:
- Fuel supply
ratio· Ignition:ON
- Disconnect the fuel
return pipe and
connect the host to
beaker to collect the
supplied fuel Þ 1.0· Þ 2.0
· Check the fuel line
5 - 9 A
· ·· ·
· Fuel pump:
- Current
consumption· Ignition:ON
- Remove the fuel
relay from the fuse
and relay box in
luggage
compartment and
connect the
amperemeter
between No.1 and
No.3 in relay
box(fuel pump relay
removed position)
for measuring
current consumption Þ 2.0· Fuel pump
533
Multi tester(DC current)
31

M162 ENGINE CONTROLS 1F1-33
Connection of the Equipment
1. Connect the test box to the ECU as shown in the figure.
2. Remove the 2-pin coupling from injector.
3. Remove the fuel distributor and injector with a unit. At this
time, do not remove the supply and return line.
4. Connect the shop made cable to the injector with a firing
order.
5. Collect the fuel from injector.
INJECTOR TEST
1 ECU
2 Test Coupling(No.1-60)
3 Test Coupling(No.61-120)
4 Measuring Beaker
5 Shop Made Cable
Preparation
0 3 Test Box
04 ECU Test Cable
Tools Required
129 589 00 21 00 Test Box
210 589 08 63 00 Ecu Test Cable

1F1-34 M162 ENGINE CONTROLS
Figure 9. Shop Made Cable Figure 10. Fuel Injector Normal Spary Pattern
Failure
codeItemChecking method Test
stepRequirementSpecified
valuePossible cause
There should
be no leaks
and later
drops from
the injector· ·· ·
· Injector:
- Leakage test· Ignition:ON
- Remove the fuel
distributor and fuel
injector with a unit. Þ 1.0
The spray
pattern of the
injector most
show in the
figure 10.
· Ignition:ON
- Connect the shop
made cable to the
injector
- Collect the spraying
fuel with a beaker
- Connect the shop
made cable to
No.21(+) and No.3
(-) terminal in test
box Þ 2.0· Injector
533
· ·· ·
· Injector:
- Function test
and spray
pattern
check
533

M162 ENGINE CONTROLS 1F1-35
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
ECU
Appearance
1 Cover
2 Plate
3 Connector
4 Flat Pin
Vehicle Side : No. 1 - 12
Engine Side : No. 61 - 725 Pin
Vehicle Side : No. 13 - 60
Engine Side : No. 73 - 120
A Vehicle Side Connector : Black
B Engine Side Connector : Gray

1F1-36 M162 ENGINE CONTROLS
Location
Engine ECU is located at the inside of cowl side trim in right
bottom of instrument panel of passenger side.
Removal & Installation Procedure
1. Turn the ignition switch to "OFF" position.
2. Disconnect the battery negative cable
3. Remove the cowl side trim form passenger side.
4. Unscrew four securing nuts for ECU from mounting bracket.
Installation Notice
5. Pulling out the ECU from bracket.
6. Disconnect the vehicle side coupling(B).
7. Installation should follow the removal procedure in the
reverse order.
Tightening Torque 9 - 11 Nm

M162 ENGINE CONTROLS 1F1-37
Pin No.Abbreciation Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20-
TM.50
-
-
GND
-
-
-
LSH1
TM.31
TM.87
TM.30
WFS I/O
WFS O
-
GND
LS1
-
-
- -
Starter motor TM.50
-
-
Electronic ground
-
-
-
Lambda probe 1 heating
Power ground TM.31
V-BATTERY TM.87
V-BATTERY TM.30
Immobilizer crypto read
Immobilizer crypto write
-
Lambda probe 1 ground
Lambda probe 1 signal
-
-
-
ECU Pin Numbers and Descriptions
Vehicle Connector

1F1-38 M162 ENGINE CONTROLS
Pin No.Abbreciation Decription
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60BRS
-
-
-
-
-
KLIKU
-
-
-
GND
SP1+5V
KP
TEV
ML
-
CAN L
CAN H
-
-
-
-
KPI
KLIMA
KLIMA
-
SP1S
SP2S
BLS
GND
SP2+2.5V
S+B
WA
S-B
KSK
-
AUS
DIAG
V-SIG
TN-SIG Brake switch
-
-
-
-
-
Air conditioning clutch relay
-
-
-
Pedal potentiometer 1 ground
Pedal potentiometer 1 supply
Fuel pump relay
Tank purge valve
Engine fan (H1)
-
CAN-Low
CAN-High
-
-
-
-
Clutch switch
Air conditioning
Electronic traction signal
-
Pedal potentiometer 1 signal
Pedal potentiometer 2 signal
Brake light switch
Pedal potentiometer 2 ground
Pedal potentiometer 2 supply
Cruise accelerate/Set
Cruise resume
Cruise decelerate/Set
Cruise safety contact switch
-
Cruise off switch
Diagnostics (k-line)
Vehicle speed signal
Engine speed signal