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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> DTC Vehicle Speed Sensor.MTR >> Diagnostic Procedure >> 1 Check Input Signal
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1 Check Input Signal

With CONSULT-II 

  1. Start engine.
  2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
  3. Read out the value of "VHCL/S SE.MTR" while driving.

    Check the value changes according to driving speed.

Fig 1: Checking Input Signal With Consult II
G00792510Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II 

  1. Start engine.
  2. Check voltage between TCM harness connector F50 terminal 40 (PU/R) and ground while driving at 2 to 3 km/h (1 to 2 MPH) for 1 m (3 ft) or more.
    Fig 2: Checking Input Signal Without Consult II
    G00792511Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Voltage:Intermittently changes between approx. 0V and approx. 4.5V. 

OK or NG 

OK: GO TO 3.

NG: GO TO 2.