Preparation before servicing

Verify initial learning implementation necessity for replacement parts.

ITEMS DESCRIPTION

Replacement part	Initial learning necessity
Control valve body replacement	Necessary
Oil pressure switch replacement	Necessary
Automatic transaxle replacement	Necessary
ON/OFF solenoid replacement	Unnecessary
Coupler component replacement	Unnecessary

Apply the parking brake firmly, and set the wheel blocks for both the front and rear wheels.
Inspect the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION .)
Start the engine.
Warm-up the engine and allow the ATF temperature to reach 60-110 °C {140-230 °F}.