EMTRON ELC USER MANUAL
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3.3 Bosch LSU4.9 Sensor Wiring
Lambda Connector: Bosch LSU 4.9 (F)
Pin
Function
Wire Colour
1
Pump Current
Red
2
Virtual Ground
Yellow
3
Heater Ground
White
4
Heater 12 Supply
Grey
5
Cal Resistor
Orange
6
Nernst Cell Voltage
Black
Table 3.3. Bosch LSU 4.9 Sensor Pinout
Figure 3.0. LSU4.9 Connector Pinout
NOTE: To avoid signal errors and loss of accuracy, a cable of a maximum length of 1.5 m
between sensor and ELC is recommended.