- - - Function: 4-speed longitudinal transmission (Aisin-Warner design) for SUV/RWD platforms (e.g., Suzuki Grand Vitara).
      
      Key Features:
      - Torque Capacity: 330Nm (paired with J24B engines)
      - Gearset: Simpson planetary + overdrive unit
      - Shift Logic: Adaptive learning for throttle pattern recognition
      Failure Modes:
      - 3-4 Clutch Burnout: Delayed shifts cause overheating (P0760)
      - Valve Body Wear: Shift solenoid B sticks (harsh 2-3 shifts)
      - Extension Housing Leaks: Rear seal degradation (fluid loss)
      Critical Maintenance:
      - Fluid: Suzuki ATF 3317 or Dexron III
      - Band Adjustment: 1.5-2 turns past finger tight (every 60k km)
      - TCU Reset: Required after fluid change
      Pro Tip: Check converter clutch apply piston – worn rings cause TCC shudder (P0741).
      
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