Automatic Transmission/Transaxle: Description and Operation

CIRCUIT DIAGRAM

CROSS-SECTIONAL VIEW

HYDRAULIC CONTROL CIRCUITS

SHIFT MECHANISM
The automatic transmission uses compact, dual planetary gear systems to improve power-transmission efficiency, simplify construction and reduce weight. It also employs an optimum shift control and superwide gear ratios to improve starting performance and acceleration during medium and high-speed operation. Two one-way clutches are also employed: one is used for the forward clutch and the other for the low clutch. These one-way clutches, combined with four accumulators, reduce shifting shock to a minimum.

CONSTRUCTION

FUNCTION OF CLUTCHES AND BRAKES

CLUTCH AND BAND CHART

POWER TRANSMISSION
"N" AND "P" Positions

^ "N" position
No control members operate. Power from the input shaft is not transmitted to the output shaft because the clutches do not operate.

^ "P" position
Similar to the "N" position, no control members operate. The parking pawl interconnected with the select lever engages with the parking gear to mechanically hold the output shaft so that the powertrain is locked.

"1(1)" Position