Vehicle Speed Sensor Check

Refer to Figure

Does speedometer operate normally?

1. Yes: GO TO 2.
2. No: Check speedometer and vehicle speed sensor circuit. Refer to TROUBLE DIAGNOSES .

1. Apply wheel chocks and jack up drive wheel.
2. Disconnect ASCD control unit harness connector.
3. Check voltage between control unit terminal 22 and ground while turning drive wheel slowly by hand.
   Fig 1: Checking Vehicle Speed Output

   Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No?

1. Yes: Vehicle speed sensor is OK.
2. No: Check harness for open or short between ASCD control unit terminal 22 and combination meter terminal 13.