Bosch ME 72 Engine Management System for L322 Range Rover
ENGINE MANAGEMENT SYSTEM – V8
DESCRIPTION AND OPERATION 18-2-33
0021
LH bank CMP sensor
Timing over-advanced or system performance
0022
LH bank CMP sensor
Timing over-retarded
0030
RH bank front HO2S heater circuit
Circuit intermittent
0031
RH bank front HO2S heater circuit
Short circuit to ground
0032
RH bank front HO2S heater circuit
Short circuit to battery
0036
RH bank rear HO2S heater circuit
Circuit intermittent
0037
RH bank rear HO2S heater circuit
Short circuit to ground
0038
RH bank rear HO2S heater circuit
Short circuit to battery
0050
LH bank front HO2S heater circuit
Circuit intermittent
0051
LH bank front HO2S heater circuit
Short circuit to ground
0052
LH bank front HO2S heater circuit
Short circuit to battery
0056
LH bank rear HO2S heater circuit
Circuit intermittent
0057
LH bank rear HO2S heater circuit
Short circuit to ground
0058
LH bank rear HO2S heater circuit
Short circuit to battery
0102
MAF sensor signal
Short circuit to ground
0103
MAF sensor signal
Short circuit to battery
0106
ECM internal ambient pressure sensor
Performance problem
0107
ECM internal ambient pressure
Short circuit to ground
0108
ECM internal ambient pressure
Open circuit or short circuit to battery
0112
IAT sensor
Short circuit to ground
0113
IAT sensor
Open circuit or short circuit to battery
0114
Ambient temperature input
Fault data received
0116
ECT sensor
Signal implausible
0117
ECT sensor
Short circuit to ground
0118
ECT sensor
Open circuit or short circuit to battery
0120
APP sensor switch A
Implausible
0121
APP sensor switch A
Range/ Performance problem
0122
APP sensor switch A
Open circuit or short circuit to ground
0123
APP sensor switch A
Short circuit to battery
0125
ECT sensor
Insufficient coolant temperature for closed loop
control
0128
Thermostat monitoring sensor
Low coolant temperature – thermostat stuck
open
0130
RH bank front HO2S signal
Circuit malfunction
0131
RH bank front HO2S signal
Short circuit to ground
0132
RH bank front HO2S signal
Short circuit to battery
0133
RH bank front HO2S signal
Slow response
0134
RH bank front HO2S signal
No activity
0135
RH bank front HO2S heater circuit
Circuit malfunction
0136
RH bank rear HO2S signal
Circuit malfunction
0137
RH bank rear HO2S signal
Short circuit to ground
0138
RH bank rear HO2S signal
Short circuit to battery
0139
RH bank rear HO2S signal
Slow response
0140
RH bank rear HO2S signal
No activity
0141
RH bank rear HO2S heater circuit
Circuit malfunction
0150
LH bank front HO2S signal
Circuit malfunction
0151
LH bank front HO2S signal
Short circuit to ground
0152
LH bank front HO2S signal
Short circuit to battery
0153
LH bank front HO2S signal
Slow response
0154
LH bank front HO2S signal
No activity
0155
LH bank front HO2S heater circuit
Circuit malfunction
0156
LH bank rear HO2S signal
Circuit malfunction
0157
LH bank rear HO2S signal
Short circuit to ground
P Code No.
Component/Signal
Fault Description