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2 CHECK CONTROL VALVE 1. Disassemble control valve assembly. Refer to “Control Valve Assembly”, AT-312. I Valve, sleeve and plug slide along valve bore under their own weight. I Valve, sleeve and plug are free from burrs, dents and scratches. I Control valve springs are free from damage, deformation and fatigue. I Hydraulic line is free from obstacles. SAT367H OK or NG OK © GO TO 3. NG © Repair control valve assembly. 3 CHECK DTC Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-129. OK or NG OK © INSPECTION END NG © Check control valve again. Repair or replace control valve assembly. SAT050K Component Inspection NCAT0045 SHIFT SOLENOID VALVE A AND B NCAT0045S01 I For removal, refer to AT-280. Resistance Check NCAT0045S0101 I Check resistance between two terminals. Solenoid valve Terminal No. Resistance (Approx.) Shift solenoid 2 Ground 20 - 30 Ω Shift solenoid 1 5 - 20 Ω GI MA EM LC EC FE CL MT AX SU BR ST RS BT HA SC EL IDX DTC P0731 A/T 1ST GEAR FUNCTION Diagnostic Procedure (Cont’d) AT-133 |