Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

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
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 40 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
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Check the following items:
  - Vehicle speed sensor and ground circuit for vehicle speed sensor. Refer to VEHICLE SPEED SENSOR SIGNAL CHECK .
  - Harness for short or open between TCM and vehicle speed sensor (Main harness)
CHECK DTC
Perform "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE ".

OK or NG
1. OK: INSPECTION END
2. NG:
  1. Perform TCM input/output signal inspection. See INPUT/OUTPUT SIGNAL OF TCM .
  2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.