Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Self-diagnosis
With CONSULT-II:
1. Start engine.
2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Drive vehicle.
  
  Fig 1: Sample Of CONSULT-II Display
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II
1. Drive vehicle.
2. Stop vehicle and turn ignition switch OFF.
3. Turn ignition switch ON. (Do not start engine.)
4. Perform self-diagnosis. Refer to, TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS) .
OK or NG
1. OK : GO TO 2.
2. NG : Check low coast brake solenoid valve circuit and function. Refer to DTC P1772 LOW COAST BRAKE SOLENOID VALVE and DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION .
Check DTC:
Perform "DTC Confirmation Procedure". Refer to " DTC CONFIRMATION PROCEDURE .

OK or NG
1. OK : Inspection end.
2. NG : GO TO 3.
Check TCM
1. Check TCM input/output signal. Refer to , " TCM INPUT/OUTPUT SIGNAL REFERENCE VALUES " .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
1. OK : Inspection end.
2. NG : Repair or replace damaged parts.