1998 SSANGYONG MUSSO battery

M161 ENGINE CONTROLS 1F2-11
FUEL INJECTION SYSTEM TEST
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 08,
·Þ 1.1
·Þ 1.2
Þ 1.1
· Ignition:ON
10 211 -14V· ·· ·
· Ground
cable:
- Battery
ground· Ground cable
· Ground conditionDiagnosis
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 1.1
·Þ 2.1
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
· Engine:in Cranking
52· Cable
· Ignition Swith 11 -14
(during engine
cranking)
· ·· ·
· Start signal:
- terminal 50
(TM.50)

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 1F2-35
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

1F2-36 M161 ENGINE CONTROLS
Pin No.Abbreviation Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20-
TM.50
-
-
GND
-
LSH2
-
LSH1
TM.31
TM.87
TM.30
WFS I/O
WFS O
-
GND
LS1
-
GND
LS2 -
Starter motor TM.50
-
-
Electronic ground
-
Lambda probe 2 heating
-
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
-
Lambda probe 2 ground
Lambda probe 2 signal
ECU Pin Numbers and Descriptions
Vehecle Connector

1F2-40 M161 ENGINE CONTROLS
Application
Pin No.Abbreviation Description
-
Starter motor TM.50
-
-
Electronic ground
-
Lambda probe 2 heating
-
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
-
-
-
Brake switch
-
-
-
-
-
Air conditioning clutch relay
-
-
-1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30-
TM.50
-
-
GND
-
LSH2
-
LSH1
TM.31
TM.87
TM.30
WFS I/O
WFS O
-
GND
LS1
-
-
-
BRS
-
-
-
-
-
KLIKU
-
-
--
l
-
-
l
-
-
-
l
l
l
l
l
l
-
l
l
-
-
-
¡
-
-
-
-
-
l
-
-
--
l
-
-
l
-
-
-
l
l
l
l
l
l
-
l
l
-
-
-
¡
-
-
-
-
-
l
-
-
-
l: Standard, ¡: OptionE23 ENG,
4speed A/T E23 ENG,
5speed A/T

1F2-44 M161 ENGINE CONTROLS
Removal & Installation Procedure
· ·· ·
·When removing the ECU only
1. Turn the ignition switch to "OFF" position.
2. Disconnect the negative battery cable.
3. Disconnect the couplings from ECU.
4. Unscrew the left and right bolt (3) on bolt (1) and auxiliarly
bracket and remove the auxiliarly bracket from the bracket
assembly (2).
Installation Notice
5. Unscrew the four bolts (5) and disconnect the ECU (6) from
the bracket assenbly.
Installation Notice
6. Installation should follow the removal procedure in the
reverse order.
Tightening Torque6 - 8 Nm
5 - 7 Nm(1)
(3)
Tightening Torque 5 - 7 Nm
8. Unscrew the bolts (5) and disconnect the ECU (6) from the
bracket assenbly.
Installation Notice · ·· ·
·When Removing the ECU with ABS or ABS/ASR Unit
1. Turn the ignition switch to "OFF" position.
2. Disconnect the negative battery cable.
3. Disconnect the couplings from ECU.
4. Disconnect the coupling from ABS or ABS/ASR unit.
5. Unscrew the bolt (1) and the left and right flange nuts.
6. Remove the ECU with ABS or ABS/ASR unit assembly.
7. Unscrew the left and right bolt (3) on the auxiliary bracket
and remove the auxiliary bracket from the bracket assembly.
Installation Notice
Tightening Torque 6 - 8 Nm
Tightening Torque 5 - 7 Nm
Tightening Torque 5 - 7 Nm
9. Installation should follow the removal procedure in the
reverse order.

1F2-50 M161 ENGINE CONTROLS
Tightening Torque
22.5 - 27.5 Nm
Tightening Torque22.5 - 27.5 Nm
Removal & Installation Procedure
1. Discharge the fuel pressure from the fuel pressure test
connector by pushing service valve (arrow).
2. Disconnect the battery ground cable.
3. Disconnect the vacuum hose from the fuel pressure
regulator.
4. Disconnect the cable from ignition coil.
5. Remove the fuel return and supply line.
Installation Notice
Notice
lFor removal, cover around parts with cloths not to
bestained by fuel.
lIn case of checking the injector only, do not remove the
fuel return and supply line.
6. Remove the four injector connectors (arrows).
7. Unscrew the two combination bolts (8).
Installation Notice

1F2-60 M161 ENGINE CONTROLS
Tools Required
661 589 00 46 00 Cap Remover
Removal & Installation Procedure
1. Disconnect the negative battery cable.
2. Disconnect the harness connector (1).
3. Disconnect the fuel supply (6) and return (5) pipes.
4. Using a special tool, Unscrew the eight fuel retaining bolts
and remove the pump from fuel tank.
Notice
Check the condition of the seal and replace if necessary.
Drain the fuel before removing the pump.