Vehicle Speed System

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK VEHICLE SPEED SENSOR CIRCUITS
1. Remove vehicle speed sensor.
2. Check voltage between combination meter harness connector M24 terminal 11 (L/Y) and ECM harness connector F54 terminal 58 (B).
  
  Fig 1: Vehicle Speed Sensor Circuits Terminal Voltage
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Vehicle Speed Sensor Circuits
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Vehicle speed sensor is OK.
2. NG: GO TO 2.
CHECK VEHICLE SPEED SENSOR
Check resistance between vehicle speed sensor terminals + and -.

Fig 3: Terminal Resistance Specification
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Resistance Between Vehicle Speed Sensor Terminals + And -
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Check harness or connector between combination meter, vehicle speed sensor and ECM.
2. NG: Replace vehicle speed sensor.