April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

CHECK INPUT SPEED SENSOR-I
1. Turn ignition switch OFF.
2. Disconnect input speed sensor harness connector.
3. Remove the sensor.
4. Visually check the sensor for chipping.
  Is the inspection result normal?
  
  YES: GO TO 2.
  
  NO: Replace input speed sensor.
  
  Fig 1: Identifying Input Speed Sensor
  Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK INPUT SPEED SENSOR-II

Check resistance between input speed sensor terminals as per the following items.

TERMINALS RESISTANCE REFERENCE

Terminals (Polarity)	Resistance
1 (+) - 2 (-)	Except 0 or ∞ Ω [at 25°C (77°F)]
1 (+) - 3 (-)
2 (+) - 3 (-)

Is the inspection result normal?

YES: INSPECTION END

NO: Replace input speed sensor.