LS 460 RWD V8-4.6L (1UR-FSE) (2010)
(2) If the result is not as specified, replace the rear seatback assembly.
5. INSPECT REAR NO. 1 SEAT HEADREST ADJUSTER SUB-ASSEMBLY
(a) Check the operation of the headrest adjuster.
(1) Apply battery voltage to the headrest adjuster.
OK:
(2) If the result is not as specified, replace the headrest adjuster.