Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.

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: CONSULT-II Display - VHCL/S SE-MTR
  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 Voltage Between TCM Terminal 40 And Ground
  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.
  2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.