Toyota 4Runner: Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Seat / Front Seat Assembly(for Power Seat) / Inspection

INSPECTION

PROCEDURE

1. INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY

(a) for Driver Side:

(1) Check the operation of the separate type front seat cushion spring assembly (slide motor).

Check that the separate type front seat cushion spring assembly moves smoothly when the battery is connected to the slide motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 2

Battery negative (-) → 1

Forward

Battery positive (+) → 1

Battery negative (-) → 2

Backward

If the result is not as specified, replace the separate type front seat cushion spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seat Cushion Spring Assembly (Slide Motor))

(2) Check the operation of the separate type front seat cushion spring assembly (front vertical motor).

Check that the separate type front seat cushion spring assembly moves smoothly when the battery is connected to the front vertical motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 2

Battery negative (-) → 1

Upward

Battery positive (+) → 1

Battery negative (-) → 2

Downward

If the result is not as specified, replace the separate type front seat cushion spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seat Cushion Spring Assembly (Front Vertical Motor))

(3) Check the operation of the separate type front seat cushion spring assembly (lifter motor).

Check that the separate type front seat cushion spring assembly moves smoothly when the battery is connected to the lifter motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 1

Battery negative (-) → 2

Upward

Battery positive (+) → 2

Battery negative (-) → 1

Downward

If the result is not as specified, replace the separate type front seat cushion spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seat Cushion Spring Assembly (Lifter Motor))

(b) for Front Passenger Side:

(1) Check the operation of the front seat cushion spring (slide motor).

Check that the front seat cushion spring moves smoothly when the battery is connected to the slide motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 1

Battery negative (-) → 2

Forward

Battery positive (+) → 2

Battery negative (-) → 1

Backward

If the result is not as specified, replace the front seat cushion spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seat Cushion Spring Assembly (Slide Motor))

2. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY

(a) for Driver Side:

(1) Check the operation of the separate type front seatback spring assembly (reclining motor).

Check that the separate type front seatback spring assembly moves smoothly when the battery is connected to the reclining motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 1

Battery negative (-) → 2

Forward

Battery positive (+) → 2

Battery negative (-) → 1

Backward

If the result is not as specified, replace the separate type front seatback spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seatback Spring Assembly (Reclining Motor))

(2) Check the operation of the separate type front seatback spring assembly (lumbar motor).

Check that the separate type front seatback spring assembly moves smoothly when the battery is connected to the lumbar motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 1

Battery negative (-) → 2

Forward

Battery positive (+) → 2

Battery negative (-) → 1

Backward

If the result is not as specified, replace the separate type front seatback spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seatback Spring Assembly (Lumbar Motor))

(b) for Front Passenger Side:

(1) Check the operation of the separate type front seatback spring assembly (reclining motor).

Check that the separate type front seatback spring assembly moves smoothly when the battery is connected to the reclining motor connector terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 1

Battery negative (-) → 2

Forward

Battery positive (+) → 2

Battery negative (-) → 1

Backward

If the result is not as specified, replace the separate type front seatback spring assembly.

Text in Illustration

*a	Component without harness connected (Separate Type Front Seatback Spring Assembly (Reclining Motor))

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