Diagnostic Procedure

With CONSULT-II 

1. Turn ignition switch to "ON" position.

   (Do not start engine.)

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out "P/N""R", "D""2" and "1" position switches moving selector lever to each position.
   1. Check the signal of the selector lever position is indicated properly

Fig 1: Consult II Data Monitor Display

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

OK or NG 

1. OK: GO TO  CHECK DTC
2. NG: Check the following items:

• PNP switch
  1. Refer to "COMPONENT INSPECTION "
• Harness for short or open between ignition switch and PNP switch (Main harness)
• Harness for short or open between PNP switch and TCM (Main harness)
• Ignition switch and fuse
  1. Refer to POWER DISTRIBUTION .

Without CONSULT-II 

1. Turn ignition switch to "ON" position.

   (Do not start engine.)

2. Check voltage between TCM terminals 26, 27, 34, 35, 36 and ground while moving selector lever through each position.

Fig 2: Checking PNP Switch Circuit (Without Consult-II) (1 Of 2)

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

1. Voltage 
2. B: Battery voltage 
3. 0: 0V 

OK or NG 

1. OK: GO TO 3
2. NG: Check the following items:

• PNP switch
  1. Refer to "COMPONENT INSPECTION "
• Harness for short or open between ignition switch and PNP switch (Main harness)
• Harness for short or open between PNP switch and TCM (Main harness)
• Ignition switch and fuse
  1. Refer to POWER DISTRIBUTION .

Fig 3: Checking PNP Switch Circuit (Without Consult-II) (2 Of 2)

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

Perform "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE "

OK or NG 

1. OK: INSPECTION END 
2. NG:
   1. Perform TCM input/output signal inspection. See INPUT/OUTPUT SIGNAL OF TCM .
   2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.