Diagnostic Procedure

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 TURBINE REF 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 38 and ground (measure in AC range).
  
  Fig 2: Checking Input Signal Without CONSULT-II
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: GO TO 2.
DETECT MALFUNCTIONING ITEM
Check harness for short or open between TCM and turbine revolution sensor.

OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace damaged parts.
CHECK DTC
Perform DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE .

OK or NG
1. OK: INSPECTION END.
2. NG: GO TO 4.
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminal for damage or loose connection with harness connector.
OK or NG
1. OK: INSPECTION END
2. NG: Repair or replace damaged parts.