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BL Automatic Transmission

When detected detection condition that the abnormal condition of oil temperature after 15 minutes has passed since IG ON, a temporary failure is decided. When it is detected again after IG OFF => ON, the total of failures become 2 times and DTC is decided. | 1 BL AUTOMATIC TRANSMISSION (AISIN 30-40 LEi) CONTENTS 2 1. SPECIFICATION 2. SYSTEM CONSTRUCTION 3. SYSTEM LAYOUT 4. POWER FLOW 5. COMPONENTS 6. SHIFT LOCK DEVICE INSTALLATION 7. ELECTRICAL CONTROL PARTS 8. HYDARULIC CONTROL SYSTEM 9. ELECTRONIC CONTROL 10. DIAGNOSIS 11. WIRING DIAGRAM 12. SHIFT PATTERN SPECIFICATION 3 General Specifications ENGINE A-2.5 TCI A/T Model 30-40LEi (AISIN AW) General 4 speed transmission (Full line pressure control) Maximum input torque (kg.m) Weight (kg) Torque converter Type Dia. (mm) ATF oil ATF capacity (liter) Adapted vehicle 3 Elements 1 Stage 2 Phases 254 3 Clutches, 4 Brakes, 3 OWCs Planetary gear Shift mode 35 79.8 Components Gear ratio 3.5 V6 3 Planetary gear sets (Simple type) 1,2,3,4/R 2.804, 1.531, 1.000, 0.705 / 2.393 P-R-N-D-2-L / SNOW(2WD only) CASTLE AUTO FLUID D - I I 9.2 TERRACAN(HMC), CROWN(TOYOTA), VOLVO 960 SYSTEM CONSTRUCTION 4 Block Diagram Engine Shift lever Torque converter 토크 컨버터 Oil pump Input shaft Sensors & switches SCSV A Valve body Clutch Inhibitor switch Control valves SCSV B OWC DCCSV Brake PCSV Accumulators Planetary gear Output shaft C U ECU Output sensor Input sensor Propeller shaft T Power flow Hydraulic flow Mechanical flow Electrical flow SYSTEM LAYOUT 5 1 2 7 6 3 5 8 9 4 1. Output speed sensor To detect output shaft revolution 2. Neutral switch To detect "N" range(A/T) or "Neutral" range(M/T) 3. Elbow (cooler out) Way-out from a cooler hose to the A/T 4. Elbow (cooler in) Way-in to the cooler hose from the torque converter 5. Air Breather hose For air ventilation inside transmission 6. Oil temp. sensor To detect the oil temperature 7. Input speed sensor To detect input shaft revolution 8. Outer lever Connected to the control cable to change driving range 9. T/M wire Solenoid valves and sensors .