Diagnostic Procedure

Check Shift Solenoid 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: Checking Shift Solenoid Valve Resistance
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK: GO TO 2.

NG: Repair or replace shift solenoid valve assembly.
Check Shift Solenoid 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.
  
  Fig 2: Identifying Check Shift Solenoid Valve Operation
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK: GO TO 3.

NG: Repair or replace shift solenoid valve assembly.
Check Control Valve
1. Disassemble control valve assembly. Refer to CONTROL VALVE ASSEMBLY AND ACCUMULATORS .
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.
  Fig 3: Checking Control Valve Assembly
  Courtesy of NISSAN MOTOR CO., U.S.A.
1. OK or NG
OK: GO TO 4.

NG: Repair control valve assembly.
Check DTC
Perform DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE .
1. OK or NG
OK: Inspection End

NG: Check transaxle inner parts. (Clutch, brake, etc.)