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MaxxECU online help

A340E and A341E auto gearbox has the same control, just a different gear ratio.

Note: MaxxECU PRO is required to control this gearbox.

Note: Line pressure monitoring is required.

 

 

Selector switch inputs

 

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Desired gear

A

B

C

D

1 (L)

ON

OFF

OFF

OFF

2 (2)

OFF

ON

OFF

OFF

3 (D)

OFF

OFF

ON

OFF

4 (OD)

OFF

OFF

ON

ON

Example Auto transmission gear selector input to get a desired gear.

 

If the common terminal is GND, any DINx can be used.

If the common terminal is +12V (stock configuration), DINx where the pullups can be disabled, or 0-5V AINx must be used.

 

 

Example input configuration in MTune

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Example configuration in MTune for a gear selector switch.

 

 

Other inputs

Speedsensor wheelspeed front = Input shaft sensor (VR).

Speedsensor wheelspeed rear = Driveshaft sensor (VR).

Gearbox oil temp sensor = Any Temp AINx.

Brake pedal/stop light active.

Auto transmission manual mode switch (optional).

Transmission DOWN shift (optional).

Transmission UP shift (optional).

 

 

Outputs

 

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Desired gear

1

2

1

ON

OFF

2

ON

ON

3

OFF

ON

4 (OD)

OFF

OFF

Example solenoid output to get the desired gear.

 

Low driving outputs

Connected to a MaxxECU PRO GPO 23-30 with 12V flyback (CMC4: F1) to transmission +12V supply.

(Or any other outputs with external flyback diodes.)

 

SLU = Lockup solenoid.

SLN = Accumulator solenoid.

SLT = Line pressure solenoid

 

 

High driving outputs:

S1 = Shift solenoid A.

S2 = Shift solenoid B.

 

Example output configuration in MTune

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Example configuration of outputs on the MaxxECU PRO.

 

MTune Transmission control.