Inspection [10/2014 - ]: Procedure

INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY LH

Check the operation of the lumbar support adjuster assembly LH.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check that the front seatback moves smoothly when the auxiliary battery is connected to the lumbar support adjuster assembly LH connector terminals.

Measurement Condition	Operational Direction
Auxiliary battery positive (+) → Terminal 1 Auxiliary battery negative (-) → Terminal 4	Seatback moves (Up)
Auxiliary battery positive (+) → Terminal 3 Auxiliary battery negative (-) → Terminal 4	Seatback moves (Down)
Auxiliary battery positive (+) → Terminal 5 Auxiliary battery negative (-) → Terminal 4	Seatback moves (Hold)
Auxiliary battery positive (+) → Terminal 2 Auxiliary battery negative (-) → Terminal 4	Seatback moves (Release)

TEXT IN ILLUSTRATION

*a	Up and Down
*b	Hold and Release
*c	Component without harness connected (Lumbar Support Adjuster Assembly LH)

If the result is not as specified, replace the lumbar support adjuster assembly LH.

INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY RH

Check the operation of the lumbar support adjuster assembly RH.

Check that the front seatback moves smoothly when the auxiliary battery is connected to the lumbar support adjuster assembly RH connector terminals.

Condition	Operational Direction
Auxiliary battery positive (+) → Terminal 2 Auxiliary battery negative (-) → Terminal 1	Seatback moves forward
Auxiliary battery positive (+) → Terminal 1 Auxiliary battery negative (-) → Terminal 2	Seatback moves backward

TEXT IN ILLUSTRATION

*a	Component without harness connected (Lumbar Support Adjuster Assembly RH)

If the result is not as specified, replace the lumbar support adjuster assembly RH.