Air conditioning

For rear air conditioning system

~1min read
For rear air conditioning system

ON-VEHICLE INSPECTION

1. INSPECT REAR AIR MIX CONTROL SERVO MOTOR

(a) Inspect servo motor operation.

(1) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the arm turns to "HOT" side smoothly.

(2) Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, then check that the arm turns to "COOL" side smoothly.

If the operations are not as specified, replace the rear radiator unit sub-assembly (rear air mix control servo motor).

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.