What is a step motor function?
Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organized in groups called “phases”. By energizing each phase in sequence, the motor will rotate, one step at a time. With a computer controlled stepping you can achieve very precise positioning and/or speed control.
What is the holding torque?
Holding torque is a measurement of how much rotating force is required to force a stationary stepper motor shaft out of position. Holding torque (T) is the product of a motor’s torque constant (KT) and the current (i) applied to the stator windings.
What does P1778 stand for in car code?
My car has 216332 miles. Hello P1778 is the code for an issue with the stepper motor function. The CVT transmission on this vehicle uses a 4 position stepper motor to propel the vehicle. If the stepper motor goes bad, or has an issue it will set off the check engine light to notify the driver of the issue.
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.
How much does it cost to repair a Nissan P1778?
The cost of diagnosing the P1778 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
What causes the Check Engine light to go off on a Murano?
If the stepper motor goes bad, or has an issue it will set off the check engine light to notify the driver of the issue. Common causes for this are faults with transmission speed senors, with the stepper motor, with the CVT transmission itself, or the wiring to these components.
What is the P1778 code for service engine?
Vocational, Technical or Tra… P1778 code service engine light is on. At auto zone. Maxima P1778 code service engine light is on JA: Has your vehicle stalled? Has anyone run a diagnostic test to pull the trouble code? Customer: Yes at auto zone … read more Took my 2010 nissan cube to have codes checked. They stated
How much does it cost to diagnose a P1778 code?
The cost of diagnosing the P1778 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. The step motor’s 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM).
How long to diagnose Nissan step motor code P1778?
Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. What does this mean? The cost to diagnose the P1778 NISSAN code is 1.0 hour of labor.
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.