Symptom:

There is large shock when changing from N to R position  .

1. CHECK SELF-DIAGNOSTIC RESULTS 

   Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle position sensor circuit?

   Yes or No 

   1. Yes: Check damaged circuit. Refer to FLUID TEMPERATURE SENSOR CIRCUIT , DTC P0745 LINE PRESSURE SOLENOID VALVE  or DTC P1705 THROTTLE POSITION SENSOR .
   2. No: GO TO 2.
   Fig 1: Checking Self-Diagnostic Result

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. CHECK THROTTLE POSITION SENSOR 

   Check throttle position sensor. Refer to DTC P0121, DTC P0122 OR DTC P0123: TP SENSOR , or DTC P0121, DTC P0122 OR DTC P0123: THROTTLE POSITION SENSOR (TP) .

   Fig 2: Locating Throttle Position Sensor Components

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

   OK or NG 

   1. OK: GO TO 3.
   2. NG: Repair or replace throttle position sensor.

3. CHECK LINE PRESSURE 

   Check line pressure at idle with selector lever in D position. Refer to LINE PRESSURE TEST .

   Fig 3: Checking Line Pressure At Idle With Selector Lever In D Position

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

   OK or NG 

   1. OK: GO TO 4.
   2. NG:
      1. Remove control valve assembly. Refer to REMOVAL .
      2. Check the following items:
         • Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
         • Line pressure solenoid valve
4. CHECK SYMPTOM 

   Check again.

   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.