Diagnostic Procedure

Perform the self-diagnosis. Refer to "SELF-DIAGNOSTIC RESULT MODE ".

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. Read out ON/OFF switching action of "MANU MODE SW", "NON M-MODE SW", "UP SW LEVER", "DOWN SW LEVER".
   Fig 1: Identifying Display - Data Monitor

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Item Value Specification

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

Without CONSULT-II 

Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the position mutually coincide when the selector lever is shifted to the "+ (up)" or "-(down)" side (1st 5th gear).

OK or NG

1. OK: GO TO  4.
2. NG: GO TO 3.

Check the following items.

• Manual mode switch. Refer to "COMPONENT INSPECTION ".
• Pin terminals for damage or loose connection with harness connector.
• Open circuit or short to ground or short to power in harness or connector for A/T device (manual mode switch).
• Unified meter and A/C amp. Refer to "COMBINATION METERS ".

OK or NG

1. OK: GO TO 4.
2. NG: Repair or replace damaged parts.

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.