Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to "CONTROL VALVE ASSEMBLY AND ACCUMULATORS ".
  - Shift solenoid valve B
2. Check resistance to the terminal and ground.
  
  Fig 1: Solenoid Valve Terminal Resistance Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Repair or replace shift solenoid valve assembly.
  
  Fig 2: Solenoid B, Terminal 1 & Ground Continuity Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to "CONTROL VALVE ASSEMBLY AND ACCUMULATORS ".
  - Shift solenoid valve B
2. Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace shift solenoid valve assembly.
  
  Fig 3: Checking Valve Operation
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to "CONTROL VALVE ASSEMBLY ".
2. Check to ensure that:
  - Valve, sleeve and plug slide along valve bore under their own weight.
  - Valve, sleeve and plug are free from burrs, dents and scratches.
  - Control valve springs are free from damage, deformation and fatigue.
  - Hydraulic line is free from obstacles.
OK or NG
1. OK: GO TO 4.
2. NG: Repair control valve assembly.
  
  Fig 4: Checking Control Valve
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DTC
Perform "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE ".

OK or NG
1. OK: INSPECTION END
2. NG: Check control valve again. Repair or replace control valve assembly.