12
NTK wiring
Lamda1
Lambda2
Example Schematic
Lambda
Pin
Number
Colour
Name
X20 Pin
1
Yellow
Heater
VBAT1 or 12V Switched
2
Blue
Heater Drive
B30 - LamHTR1
6
Grey
Nernst Cell Voltage
B19
7
White
Ion Pump Current
A21
8
Black
Signal Ground
A25 or B18
Lambda
Pin
Number
Colour
Name
X20 Pin
1
Yellow
Heater
VBAT2 or 12V Switched
2
Blue
Heater Drive
B31 - LamHTR2
6
Grey
Nernst Cell Voltage
B20
7
White
Ion Pump Current
A22
8
Black
Signal Ground
A25 or B18