Diagnostic Procedure

With CONSULT-II 

Fig 1: CONSULT-II Display - Data Monitor

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

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.

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.
   1. Voltage: Voltage varies between less than 1 V and more than 4.5 V. 

OK or NG 

1. OK: GO TO  3.
2. NG: GO TO  2.

Fig 2: Checking Voltage Between TCM Terminal 40 & Ground

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

Check the following items:

• Vehicle speed sensor and ground circuit for vehicle speed sensor

  Refer to METERS AND GAUGES .

• Harness for short or open between TCM and vehicle speed sensor (Main harness)

OK or NG 

1. OK: GO TO  3.
2. NG: Repair or replace damaged parts.

Perform DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE .

OK or NG 

1. OK: INSPECTION END 
2. NG: GO TO  4.

1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG 

1. OK: INSPECTION END 
2. NG: Repair or replace damaged parts.