Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. 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 "DATA MONITOR" mode for "A/T" with CONSULT-II.
  
  Fig 1: CONSULT-II Display - DATA MONITOR Mode For A/T
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Read out the value of "TURBINE REV" while driving. Check the value changes according to driving speed.
OK or NG
- OK: GO TO 5.
- NG: GO TO 2.
CHECK TURBINE REVOLUTION SENSOR (POWER TRAIN REVOLUTION SENSOR) (WITH CONSULT-II)
With CONSULT-II
1. Start engine.
2. Check pulse between TCM harness connector E143 terminal 38 (G) and ground.
  
  Fig 2: Connector Terminal Voltage Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Pulse Between TCM Harness Connector E143 Terminal 38 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 5.
- NG: GO TO 3.
CHECK POWER FOR TURBINE REVOLUTION SENSOR (POWER TRAIN REVOLUTION SENSOR)
1. Turn ignition switch to OFF position.
2. Disconnect the turbine revolution sensor (power train revolution sensor) harness connector.
3. Turn ignition switch to ON position. (Do not start engine.)
4. Check voltage between turbine revolution sensor (power train revolution sensor) harness connector F37 terminal 1 (R/Y) and ground.
  
  Fig 4: Checking Voltage Between Turbine Revolution Sensor Harness Connector F37 Terminal 1 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - Voltage: Battery voltage
OK or NG
- OK: GO TO 4.
- NG: Check the following items. If any items is damaged, repair or replace damaged parts.
  - Fuse
  - Harness for short or open between ignition switch and turbine revolution sensor (power train revolution sensor)
  - Ignition switch
    Refer to "POWER SUPPLY ROUTING CIRCUIT ".
DETECT MALFUNCTIONING ITEM
Check harness for short or open between TCM, ECM and turbine revolution sensor (power train revolution sensor).

OK or NG
- OK: Repair or replace turbine revolution sensor (power train revolution sensor).
- NG: Repair or replace damaged parts.
CHECK DTC
Perform "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE ".

OK or NG
- OK: INSPECTION END.
- NG: GO TO 6.
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. Refer to "TCM TERMINALS AND REFERENCE VALUE ".
2. If NG, recheck TCM pin terminal for damage or loose connection with harness connector.
OK or NG
- OK: INSPECTION END
- NG: Repair or replace damaged parts.