Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours of use, based on the hour meter, or when you notice a restriction in the ATF flow.
Check the level and condition of the fluid in the tank before each use.
Replace the ATF in the tank when it looks dark or dirty.

SRS Component Replacement/Inspection After Deployment
NOTE:
Before doing any SRS repairs,
check for DTCs, for the less obvious deployed
components (seat belt tensioners, front impact sensors, side impact sensors,
etc).
If there is ...
Rear Axle Beam Replacement
Raise and support the vehicle.
Remove the rear wheels.
Remove the rear hub bearing unit.
Remove the parking brake cable bracket (left side) (A), the b ...
Drive Belt Auto-Tensioner Inspection
Turn the ignition switch to ON (II), and make sure to turn the A/C switch
OFF, then turn the ignition switch to LOCK (0).
Check the position of the auto-tensioner indicator (A). S ...