1998 SSANGYONG MUSSO sensor

1F1-76 M162 ENGINE CONTROLS
2. Measure the resistance between the coolant temperature
sensor terminal No.1 and No.4 with the coolant temperature
sensor disconnected.
Inspection
1. Measure the coolant sensor input voltage between the ECU
terminal No.79 and No.78 while the ignition switch in "ON"
position.
Notice
Replace wiring and coolant temperature sensor if out of
specified value.
allowable error :±5%
allowable error :±5%
Voltage (V)
3.57
1.22
0.78
Temperature (°C)
20
30
40
Resistance (W)
2,500
322
185
Temperature (°C)
20
30
40

1F1-78 M162 ENGINE CONTROLS
ACCELERATOR PEDAL MODULE
1 Accelerator pedal
2 Accelerator pedal Sensor
3 Bolts (2 Pieces).......................................4-8 Nm
Removal and Installation Procedure
1. Disconnect the 6-pin connector(arrow).
2. Unscrew the 2 bolts (3) / 1 nut (6) and remove the pedal
and sensor assembly.
Installatoin Notice
Tightining Torque 4 - 8 Nm
2. Installation should follow the removal procedure in the
reverse order.4 6-Pin Connector
5 Kick down Switch
6 Nut (1 piece)............................................4-8 Nm

M162 ENGINE CONTROLS 1F1-79
Accelerator Pedal Sensor Connector(Sensor Side)
Potentiometer 1.
Pin no. 3 :Red
Pin no. 1 :Yellow
Pin no. 5 :Brown
Potentiometer 2.
Pin no. 6 :Violet
Pin no. 4 :Green
Pin no. 2 :White
Accelerator Pedal Sensor Connector(Vehicle Side)
Potentiometer 1.
Pin no. 3 :Red-Black
Pin no. 1 :Blue-Green
Pin no. 5 :Yellow-Green
Potentiometer 2.
Pin no. 6 :Green
Pin no. 4 :Blue-Red
Pin no. 2 :LightGreen
Function
Potentiometer 1, Power Supply(+)
Potentiometer 1, Signal
Potentiometer 2, Ground
Potentiometer 2, Power Supply(+)
Pin no. 3
Pin no. 1
Pin no. 5
Pin no. 6
Pin no. 4
Pin no. 2Potentiometer 2, Signal
Potentiometer 2, Ground
Circuit Diagram
Potentiometer 1.
Potentiometer 2.

SECTION 1F2
M161 ENGINE CONTROLS
TABLE OF CONTENTS
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
Specifications . . . . . . . . . . . . . . . . . . . . . . . 1F2-2
Fastener Tightening Specifications . . . . . . . . 1F2-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 1F2-3
Special Tools Table . . . . . . . . . . . . . . . . . . . . 1F2-3
Schematic and Routing Diagrams . . . . . . . 1F2-4
E23 ECU (MSE) . . . . . . . . . . . . . . . . . . . . . . 1F2-4
E23 ECU (HFM) . . . . . . . . . . . . . . . . . . . . . . 1F2-5
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . 1F2-6
Self Diagnosis Socket Pin Numbers and
Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 1F2-6
Self Diagnosis Failure Code (for E23 ENG) . 1F2-7
Test Box Connection . . . . . . . . . . . . . . . . . . 1F2-10
Fuel Injection System Test . . . . . . . . . . . . . 1F2-11
Ignition System Test . . . . . . . . . . . . . . . . . . 1F2-20
Idling Control and Electronic Pedal
System Test . . . . . . . . . . . . . . . . . . . . . . . 1F2-25
Air Conditioner Control System Test . . . . . . 1F2-27
Fuel Pressure and Internal Leakage Test . . 1F2-28
Fuel Pump Test . . . . . . . . . . . . . . . . . . . . . . 1F2-30Injector Test . . . . . . . . . . . . . . . . . . . . . . . . 1F2-32
Maintenance and Repair . . . . . . . . . . . . . 1F2-34
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . 1F2-34
ECU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F2-34
Fuel Pressure Regulator . . . . . . . . . . . . . . 1F2-45
Fuel Distributor . . . . . . . . . . . . . . . . . . . . . . 1F2-49
Injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F2-54
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 1F2-57
Fuel Pump . . . . . . . . . . . . . . . . . . . . . . . . . 1F2-58
Purge Switchover Valve . . . . . . . . . . . . . . . 1F2-62
Vacuum System . . . . . . . . . . . . . . . . . . . . . 1F2-64
Crankshaft Position Sensor . . . . . . . . . . . . 1F2-66
Camshaft Position Sensor . . . . . . . . . . . . . 1F2-68
Hot Film Air Mass (HFM) Sensor . . . . . . . . . 1F2-70
Oxygen Sensor . . . . . . . . . . . . . . . . . . . . . . 1F2-73
Knock Sensor . . . . . . . . . . . . . . . . . . . . . . . 1F2-75
Coolant Temperature Sensor . . . . . . . . . . . 1F2-76
Accelerator Pedal Module . . . . . . . . . . . . . . 1F2-79

1F2-2 M161 ENGINE CONTROLS
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
Fuel Return and Supply Line
Fuel Distributor Assembly Bolt
Pressure Test Connector
Fuel Inlet and Outlet Line
Fuel Filter Mounting Bracket Bolt
Crankshaft Position Sensor Bolt
Camkshaft Position Sensor Bolt
Knock Sensor Mounting Bolt
Coolant Temperature BoltN·m
25 - 30
22.5 - 27.5
21.6 - 26.4
25 - 30
4 - 8
9 - 11
9 - 11
22.5 - 27.5
18 - 22

M161 ENGINE CONTROLS 1F2-7
No ignition voltage output(NO.1 ignition coil;
1, 4cylinder)
No ignition voltage output(NO.2 ignition coil;
2, 3cylinder)
Cranshaft position sensor adaption failure
Start signal recognition failure
No.1 injector short(PWR)
No.1 injector open/short(GND)
No.2 injector short(PWR)
No.2 injector open/short(GND)
No.3 injector short(PWR)
No.3 injector open/short(GND)
No.4 injector short(PWR)
No.4 injector open/short(GND)
High oxygen sensor voltage
Low oxygen sensor amplifying voltage
Oxygen sensor operating failure
Not excessive lean indication in oxygen
sensor(during coasting)
Oxygen sensor heater short(power)
Oxygen sensor heater open/short(GND)
Low oxygen sensor voltage
Short learning control failure
Lambda control failure (rich stop)
Lambda control failure (lean stop)
Lambda idle adaptation failure(above rich
threshold)
Lambda idle adaptation failure(below lean
threshold)
learning control failure(rich, low load) Coolant temperature sensor open
Coolant temperature sensor short
Coolant temperature sensor signal failure
Intake temperature sensor open
Intake temperature sensor short
Intake temperature sensor signal failure
Low battery voltage
HFM sensor signal failure
HFM sensor signal failure (Low)
HFM sensor signal failure (High)
Crankshaft position sensor signal failure
(no engine revolution signal)
Crankshaft position sensor signal failure
(rpm > max. value)
No.1 cylinder recognition failure
Crankshaft position sensor signal failure
(gab recognition failure)
Transmission coding failure
Transponder signal communication failure
CAN communication failure : TCU(A/T only)
CAN communication failure :
communication initialization failure
Fuel pump relay short(PWR)
Fuel pump relay open/short(GND)
Purge valve short
Purge valve open/short
Condenser fan(HI) relay short(PWR)
Condenser fan(HI) relay short(GND)
No.1 knock sensor signal failure
No.1 cylinder synchronization failure 00
01
02
03
04
05
08
09
10
11
17
18
19
20
21
25
26
31
34
35
40
41
44
45
56
58
Failure
codeDescriptionFailure
codeDescription
64
65
67
71
72
73
74
75
76
77
78
79
80
81
82
83
86
87
89
93
96
97
98
99
100
SELF DIAGNOSIS FAILURE CODE (FOR E23 ENG)

1F2-8 M161 ENGINE CONTROLS
Servo motor open/short
Unprogramed ECU with Immobilizer
Uncoded ECU
ECU failure(NVRAM checksum failure)
ECU failure(coding ID checksum failure)
ECU failure(coding checksum failure)
ECU failure(programing checkusm failure)
ABD input signal short(power)
ABD input signal short(GND)
Low pedal valve sensor SP1 voltage
High pedal valve sensor SP1 voltage
Low pedal valve sensor SP2 voltage
High pedal valve sensor SP2 voltage
Different pedal valve sensor signal(1,2) SP1
with SP2
Pedal valve sensor 1,2 failure
HFM sensor, and throttle position sensor failure
ECU failure(incompatible CPU)
ECU failure(CPUs communication failure)
ECU failure(CPU(2) configuration failure)
ECU failure(CPU(2) fault)
ECU failure(CPU run time failure between
CPUs)
-
-
-
-
-
-
Cam actuator short(PWR) 101
102
103
104
105
108
109
11 0
11 6
11 7
11 9
120
121
122
123
125
126
127
129
130
131
132
133
134
136
137
139140
141
142
143
144
145
146
150
151
160
161
162
163
164
167
185
186
187
188
189
190
192
193
194
195
198
199
226 learning control failure(lean, low load)
learning control failure(rich, high load)
learning control failure(lean, high load)
Low throttle position sensor(IP1) voltage
High throttle position sensor(IP1) voltage
Low throttle position sensor(IP2) voltage
High throttle position sensor(IP2) voltage
Throttle actuator learning data fault
Throttle actuator learning control failure
Exceed fuel-cut safety time
Throttle valve return spring failure
Cruise control interruption memory failure
Throttle actuator failure
Pedal module position sensor signal failure
Defferent HFM signal with throttle potentiom-
eter
Both throttle potentiomenter(IP1 & IP2)
failure
Different IPS1 with IPS2
High permanent throttle signal deviation
Message counter fault ® cruise control “OFF”
Vehicle speed signal failure
Vehicle speed signal failure
Cruise control lever failure
Cruise control acceleration failure
Cruise control deceleration failure
ECU failure(RAM)
ECU failure(EPROM)
Servo motor control output inter-ruption
memory failure
Failure
codeDescriptionFailure
codeDescription

M161 ENGINE CONTROLS 1F2-9
227
228
229
232
233
234
235
236
237
238
239
240
241Cam actuator open/short(GND)
A/C compressor relay short(PWR)
A/C compressor relay open/short(GND)
Decel limit defected by CPU2
Accel limit defected by CPU2
Cruise control lever double input(CPU2)
Cruise control lever safety terminal
failure(CPU2)
Unusual pedal position variation(CPU2)
Unusual throttle position variation(CPU2)
Unusual throttle control data(CPU2)
Unusual pedal position sensor(CPU2)
Throttle potentiometer fault(CPU2)
Unusual CPU communication(CPU2)242
243
244
245
246
247
248
249
250
251Unusual CPU configuration(CPU2)
AD converter failure(CPU2)
Pedal position sensor setpoint fault berween
CPU1 and CPU2
Position setpoint fault berween CPU1 and
CPU2
-
Idle controller setpoint fault berween CPU1
and CPU2
AD converter overflow degected by CPU2
ROM fault degected by CPU2
RAM fault degected by CPU2
Cycle monitor fault degected by CPU2
Failure
codeDescriptionFailure
codeDescription