Diagnostic Procedure

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

Is any 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".
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out "OD CONT SW".

   Check the signal of the overdrive control switch is indicated properly.

   Fig 1: Monitor Item Specification Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: CONSULT-II Display - Data Monitor

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

Without CONSULT-II 

1. Turn ignition switch "ON". (Do not start engine)
2. Check voltage between A/T control device connector terminal and ground.
   Fig 3: Terminal Reference Chart

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

OK or NG 

• OK: GO TO  5.
• NG: GO TO  3.

1. Turn ignition switch "OFF".
2. Disconnect A/T control device connector.
3. Check continuity between A/T control device connector M156 terminals 7 and 8.
   CONTINUITY REFERENCE CHART
   
   

   Condition	Continuity
   Releasing overdrive control switch	No
   Holding overdrive control switch	Yes

OK or NG 

• OK: GO TO  4.
• NG: Repair or replace overdrive control switch.

Check the following. If any items are damaged, repair or replace damaged parts.

• Harness for short or open between combination meter connector terminal 20 and A/T control device connector terminal 7.
• Harness for short or open between A/T control device connector terminal 8 and ground.

OK or NG 

• OK: GO TO  5.
• NG: Repair or replace damaged parts.

Check the combination meter. Refer to HOW TO PROCEED WITH TROUBLE DIAGNOSIS .

OK or NG 

• OK: INSPECTION END 
• NO: Repair or replace damaged parts.