AUTOMATIC TRANSMISSION (A340E)

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AT- 1. AUTOMATIC . TRANSMISSION (A340E). Page DESCRIPTION ........................................ ..........AT-2. TROUBLESHOOTING ........................................ . AT-9. Basic Troubleshooting .................................... AT-9. General Troubleshooting ................................ AT-10. Operating Mechanism for Each Gear ............... AT-12. Diagnosis System ........................................ . AT-13. Preliminary Check ........................................ . AT-18. Manual Shifting Test ..................................... AT-20. Electronic Control System .............................. AT-21. Mechanical System Tests .............................. AT-32. AUTOMATIC Shift Schedule .............................. AT-40. Neutral Start Switch ...................................... AT-41. ON-VEHICLE REPAIR ........................................ AT-42.

the throttle position sensor. In this manner, the ECU operates each shift valve, opening or closing the fluid passages to the clutches and brakes to permit up-shift or down-shift of the transmission. HINT: The electronic control system provides shift timing and lock-up control only while the vehicle is traveling forward.

  Transmissions, Shifts