Diagnostic Procedure

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

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

1. YES : Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE ".
2. 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".
   CONSULT-II REFERENCE VALUE CHART
   
   

   Item name	Condition	Display value (Approx.)
   ACCELE POSI	Released accelerator pedal.	0.0/8
   	Fully depressed accelerator pedal.	8.0/8

   Fig 1: CONSULT II 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 

1. OK : GO TO  4.
2. 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 

1. OK : GO TO 4.
2. 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 2: Consult-II SELECT SYSTEM Display Screen

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

Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

OK or NG 

1. OK : INSPECTION END 
2. NG : GO TO 5.

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

OK or NG 

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

Check the following.

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

OK or NG 

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