Diagnostic Procedure

Perform self-diagnosis. Refer to "SELF-DIAGNOSTIC RESULT MODE ", "DIAGNOSTIC PROCEDURE WITHOUT CONSULT-II ".

Is a malfunction in the CAN communication indicated in the results?

• YES: Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE ".
• NO: GO TO 2.

With CONSULT-II 

1. Turn ignition switch ON. (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Depress accelerator pedal and read out the value of "ACCELE POSI" and "THROTTLE POSI".
   Fig 1: Accelerator Pedal Value Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Scan Tool Display "Data Monitor"

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Select "SELF-DIAG RESULTS" mode for "A/T" with CONSULT-II. Refer to "SELF-DIAGNOSTIC RESULT MODE "

OK or NG

• OK: GO TO  4.
• NG: GO TO 3.

With CONSULT-II 

1. Turn ignition switch ON. (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-II. Refer to "CONSULT-II FUNCTION (ENGINE) ".

OK or NG

• OK: GO TO 4.
• NG: Check the DTC detected item. Refer to "CONSULT-II FUNCTION (ENGINE) ".
  • If CAN communication line is detected, Go to "DTC U1000 CAN COMMUNICATION LINE ".

Fig 3: Scan Tool Display "Select System"

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

Perform "DTC CONFIRMATION PROCEDURE ".

• Refer to "DTC CONFIRMATION PROCEDURE ".

OK or NG

• OK: INSPECTION END 
• NG: GO TO 5.

Check TCM power supply and ground circuit. Refer to "MAIN POWER SUPPLY AND GROUND CIRCUIT ".

OK or NG

• OK: GO TO 6.
• NG: Repair or replace damaged parts.

Check the following.

• A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

OK or NG

• OK: Replace control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
• NG: Repair or replace damaged parts.