What does step motor function mean?
The stepper motor connects to a ratio control arm and ratio control valve (figure 1). The main purpose of the ratio control valve is just as its name implies: to change the ratio of the transmission. It does this by changing the pressure in the pulleys.
What does P1778 Nissan step motor function mean?
P1778 NISSAN Meaning The step motor’s 4 aspects of ON/OFF change according to the signal from the Transmission Control Module (TCM). As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG.
What to do when your Nissan P1778 Got you Down?
7)take a piece of dental floss about a foot long and hold the spring loaded arm back against the stepper motor and return the valve body back to the transmission. 8)after you have a few bolts in place remove the floss before you tighten all the way.
Is the Trans fluid pressure low on a P1778?
Because I do have a P1778 code. But I also have a P0868 which is “trans fluid pressure low”. I have the V6 model, not sure if that matters? BTW, I live in the counry about 30 miles from the Twin Cities, and I sometimes have to go there. The drivers on the road near and in the cities are much more aggressive drivers than us country folks.
When does a Nissan step motor function is ng?
As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG. This diagnosis item detects when the state of the changing the speed mechanism in the unit does not operate normally.
P1778 NISSAN Meaning The step motor’s 4 aspects of ON/OFF change according to the signal from the Transmission Control Module (TCM). As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG.
7)take a piece of dental floss about a foot long and hold the spring loaded arm back against the stepper motor and return the valve body back to the transmission. 8)after you have a few bolts in place remove the floss before you tighten all the way.
Because I do have a P1778 code. But I also have a P0868 which is “trans fluid pressure low”. I have the V6 model, not sure if that matters? BTW, I live in the counry about 30 miles from the Twin Cities, and I sometimes have to go there. The drivers on the road near and in the cities are much more aggressive drivers than us country folks.
As a result, the flow of line pressure to the primary pulley is changed and the pulley ratio is controlled. This diagnosis item detects when the electrical system is OK, but the mechanical system is NG. This diagnosis item detects when the state of the changing the speed mechanism in the unit does not operate normally.