FuelTech Nano PRO - Replacement of Bosch LSU Sensor Connector 4.2 for 5.2

NANO PRO
8
Connector Nano PRO
(Pin) - (Wire color)
Function wire sensor
Connector Bosch LSU
4.2 (Pin)
Connector Bosch LSU
5.2 (Pin)
1 - Red IP 6 5
2 - Yellow Ground sensor signal 5 4
3 - Brown Positive sensor signal 1 1
7 - Orange Calibration resistor sensor 2 6
8 - Green Heat positive signal sensor 3 2
9 - Blue Heat ground signal sensor 4 3
5.2 Replacement of Bosch LSU sensor connector 4.2 for 5.2
This procedure is necessary if you want to use a Bosch LSU 5.2 sensor in a Bosch LSU 4.2 Sensor harness. Refer
to table below for sensor pinout:
5
26
31
4
Connector Bosch LSU 5.2
2
51
46
3
Connector Bosch LSU 4.2
Harness connector rear view
5
2
6
31
4
O2 SENSOR - Pin 6 - Red
O2 SENSOR - Pin 5 -Yellow
O2 SENSOR Brown- Pin 1 -
O2 SENSOR - Pin 4 - Blue
O2 SENSOR - Pin 3 -Green
O2 SENSOR - Pin 2 - Orange
Harness Connector Rear View
213456
78910
11 12
O2 Sensor
-
BOSCH 4.9
Bosch LSU 4.9 Electrical diagram
5
2
6
31
4
O2 SENSOR - Pin 6 - Red
O2 SENSOR - Pin 5 -Yellow
O2 SENSOR - Pin 1 -Brown
O2 SENSOR - Pin 4 - Blue
O2 SENSOR - Pin 3 -Green
O2 SENSOR - Pin 2 - Orange
Harness Connector Rear View
213456
78910
11 12
O2 Sensor
-
BOSCH 5.2
Bosch LSU 5.2 Electrical diagram