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Passwords:

There are several diagnostic modes available in the governor. Access is provided by entering a pass-

word that uses the INC and IDLE switches in a specific sequence.

The Message Center must display [MODE] prior to entering any password.

Governor Self Test:

The Self Test password is:

IDLE INC IDLE INC IDLE INC IDLE INC

This test is capable of determining if there is a problem with the governor that replacement of the gover-

nor display will correct.

Results are displayed in the Message Center as a numeral matching its position in the display.

The Message Center (Test) positions are numbered left to right as follows:

0 1 2 3 4 5 6 7

When the self test starts, the governor checks for the type of output signal present, analog (ANA) or

pulse width modulated (PWM). This is displayed along with the output voltage range if the signal is

analog (Make note of this range. It should vary from ~0.7 to 4.0 VDC). Once this output test is complete

the Message Center will display a results screen. Any X indicates that a particular function has not been

tested.

The Message Center will display X X X 3 - 5 X X for analog or X X X - 4 5 X X for PWM.

Either a ‘3 -’ or a ‘- 4’ are in the 3 and 4 positions dependent on whether the governor is

configured for Analog or PWM output. The 5 in position 5 indicates that the pressure transducer is

transmitting a no pressure signal (expected).

If the pump is engaged, an H (high) will be shown. If the signal is too low, an F (fail) will be displayed.

0 The input to terminal 2 Throttle Ready changed

Release the Park Brake or shift the Transmission to change the interlock

1 The input to terminal 10 Pump Engaged changed

Shift the Pump

2 Each of the switches on the governor have been pressed

The switch pressed will be displayed i-IDLE p-PRESET m-MODE u-INC d-DEC

3 Analog Output, a (-) will be in position 4

4 PWM Output, a (-) will be in position 3

5 Transducer voltage is between 0.3 and 0.9

an (H indicates voltage > 1.0) (F indicates voltage < 0.3)

6 The High Idle Input (terminal 3) has been toggled

Toggle the High Idle switch ON and then OFF if equipped

7 The internal relay has been activated

NOTE: T HIS CHECK DOES NOT TEST FOR THE VALIDITY OF THE SIGNAL IN NOR IF THE SIGNAL IS TRULY SENT TO THE ECM. THAT TEST

MUST BE DONE MANUALLY IF IT IS THOUGHT THAT THE REMOTE PTO ON SIGNAL THROUGH THE GOVERNOR IS THE PROBLEM.