Siemens Engine Management System for Freelander | Description & Operation
ENGINE MANAGEMENT SYSTEM - SIEMENS
DESCRIPTION AND OPERATION 18-4-35
1113
ECM internal ambient
pressure sensor
Automatic section failure
No
No
—
1115
Thermostat monitoring
sensor
Coolant temperature stuck high
No
No
B
1117
Thermostat monitoring
sensor
Short circuit to earth
Yes
No
B
1118
Thermostat monitoring
sensor
Open circuit or short circuit to
battery
Yes
No
B
1119
Thermostat monitoring
sensor
Short circuit to earth
No
No
—
1122
APP sensor potentiometer 1
Open circuit or short circuit to
earth
No
Yes
—
1123
APP sensor potentiometer 1
Short circuit to battery
No
Yes
—
1132
LH bank front HO2S
Heating defective
Yes
No
C
1133
RH bank front HO2S
Heating defective
Yes
No
C
1134
LH bank front HO2S
Slow response time
Yes
No
C
1135
LH bank front HO2S
Rich to lean time slow
Yes
No
C
1136
LH bank front HO2S
Lean to rich time slow
Yes
No
C
1141
Throttle potentiometer 1
Ratio of throttle potentiometer 1
signal to air flow implausible
Yes
Yes
B
1142
Throttle potentiometer 2
Ratio of throttle potentiometer 2
signal to air flow implausible
Yes
Yes
B
1146
LH bank lambda control
Downstream fuel trim above lean
delay time
Yes
No
C
1147
RH bank lambda control
Downstream fuel trim above lean
delay time
Yes
No
C
1148
LH bank lambda control
Downstream fuel trim above rich
delay time
Yes
No
C
1149
RH bank lambda control
Downstream fuel trim above rich
delay time
Yes
No
C
1150
LH bank lambda control
Downstream fuel trim fault at low
fuel level
Yes
No
C
1151
RH bank lambda control
Downstream fuel trim fault at low
fuel level
Yes
No
C
1152
RH bank front HO2S
Slow response
Yes
No
C
1153
RH bank front HO2S
Rich to lean time slow
Yes
No
C
1154
RH bank front HO2S
Lean to rich time slow
Yes
No
C
1155
LH bank rear HO2S
Heating defective
Yes
No
C
1160
RH bank rear HO2S
Heating defective
Yes
No
C
1161
LH bank front HO2S
Too rich
Yes
No
C
1162
LH bank front HO2S
Too lean
Yes
No
C
1163
RH bank front HO2S
Too rich
Yes
No
C
1164
RH bank front HO2S
Too lean
Yes
No
C
1165
LH bank lambda control
HO2S fault detected at low fuel
level
Yes
No
C
1166
RH bank lambda control
HO2S fault detected at low fuel
level
Yes
No
1167
LH bank rear HO2S
Signal implausible
No
No
1168
RH bank rear HO2S
Signal implausible
No
No
1180
LH bank rear HO2S
Slow response
Yes
No
C+
1181
RH bank rear HO2S
Slow response
Yes
No
C+
P Code No.
Component/Signal
Fault Description
Warning Lamp
Drive Cycle
SERVICE
ENGINE
(MIL)
SERVICE
ENGINE
SOON