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Dynojet Wideband 2

Brand Dynojet
Model Wideband 2
Output Type Differential mode (signal ground and power supply ground are different)
Sensor Type Bosch LSU 4.2

Wideband controller with display. Can be connected to 12V battery or a 12V/5A power supply.

Typical installation is a fixed installation in the exhaust pipe, a few centimeters after the manifold junction. In dynamometers, it can be used with an adapter at the exhaust pipe outlet as explained here.

IMPORTANT

Read the manufacturer's instructions and follow the recommendations for position, mounting, and fuse.

Connection to Accudyno

Connect the grounds together

Lambda probe controllers with differential analog output have a negative output different from the battery negative. For them to work properly with Accudyno, all grounds must be connected at a common point, as shown in the figure, since Accudyno has common mode input, not differential.

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Wire/Color Function Gyra/Forza
Red Positive Power Supply (+) Battery(+)
Black Negative Power Supply (-) Battery(-)
Purple Analog Output (+) AIN1
White/Purple Analog Output (-) GND and Battery(-)

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Wire/Color Function GO/PRO
Red Positive Power Supply (+) Battery(+)
Black Negative Power Supply (-) Battery(-)
Purple Analog Output (+) Accudyno IN+ (AFR Pin 3)
White/Purple Analog Output (-) Accudyno IN- (AFR Pin 2) and Battery(-)

Calibration

Voltage Lambda AFR (Gasoline)
0 V 0.68 10.0
5 V 1.22 18.0