: Check the electrical connector at the turbocharger for signs of moisture, heat damage, or loose pins.

: If the wiring and battery are healthy, the current sensor may need replacement. You can find OEM Nissan parts through Nissan USA's parts portal.

: Inefficient boost levels force the engine to work harder. Potential Causes

With a multimeter, she probed the signal wire while a friend revved the Leaf’s heater to draw current. The voltage should have swept smoothly between 0.5 and 4.5 volts. Instead, it twitched erratically, then flatlined.

Key Features