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Overhaul - MPWA: Operation: Introduction

Shift lever has 7 positions. When shift lever is moved, manual valve on main valve body is moved by the shift cable. Shift lever also changes position of the shift position sensor, mounted on the transaxle. Shift position sensor delivers an input signal to the ATCU to indicate shift lever position. The ATCU uses this input signal for controlling shift control solenoid valves. The ATCU determines appropriate shift point and activates proper shift control solenoid valve for transaxle shifting.

When transaxle gear combinations are engaged by clutches, power is transmitted from mainshaft to countershaft to provide different gears. Shift lever positions operate as follows:

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