Excessive Shift Shock From N To D Or N To R Position

EXCESSIVE SHIFT SHOCK FROM N TO D OR N TO R POSITION (NJ8A(X)-EC/NN8A(X)-EC/MM8A(X)-EC) DESCRIPTION AND POSSIBLE CAUSE

Description	Strong shock is felt when shifting from N to D or N to R position at idle.
Possible cause	Poor learning of N to D or N to R (See INITIAL LEARNING [MM8AX-EC] .) Input signal malfunction in the following. (See PID/DATA MONITOR INSPECTION .) PCM: APP sensor CKP sensor (See PID/DATA MONITOR TABLE [PCM (H3T)] .) Idle speed control malfunction (See SYMPTOM TROUBLESHOOTING [H3T] .) Engine control system malfunction (See SYMPTOM TROUBLESHOOTING [H3T] .) Automatic transmission malfunction (automatic transmission internal parts malfunction) (Refer to [AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION ] ).
System wiring diagram	Not applicable