Toyota 4Runner: Lumbar Switch

Toyota 4Runner Service Manual / Vehicle Interior / Seat / Lumbar Switch

Components

COMPONENTS

ILLUSTRATION

Inspection

INSPECTION

PROCEDURE

1. INSPECT LUMBAR SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
3 (H) - 5 (B)	Hold	Below 1 Ω
1 (R) - 2 (E2)	Hold
2 (E2) - 3 (H)	Off
2 (E2) - 1 (R)	Off
2 (E2) - 3 (H)	Release
1 (R) - 5 (B)	Release

If the result is not as specified, replace the lumbar switch.

Text in Illustration

Hold Switch

Release Switch

Component without harness connected

(Lumbar Switch)

Removal

REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY

(a) Remove the front seat assembly (See page
).

2. REMOVE SLIDE AND VERTICAL POWER SEAT SWITCH KNOB

3. REMOVE RECLINING POWER SEAT SWITCH KNOB

4. REMOVE FRONT SEAT CUSHION SHIELD LH

5. REMOVE FRONT POWER SEAT SWITCH LH

6. REMOVE LUMBAR SWITCH ASSEMBLY

(a) Using a screwdriver, detach the 2 claws.

(b) Disconnect the lumbar switch connector and remove the lumbar switch.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

PROCEDURE

1. INSTALL LUMBAR SWITCH ASSEMBLY

(a) Connect the lumbar switch connector.

(b) Attach the 2 claws to install the lumbar switch.

2. INSTALL FRONT POWER SEAT SWITCH LH

3. INSTALL FRONT SEAT CUSHION SHIELD LH

4. INSTALL RECLINING POWER SEAT SWITCH KNOB

5. INSTALL SLIDE AND VERTICAL POWER SEAT SWITCH KNOB

6. INSTALL FRONT SEAT ASSEMBLY

(a) Install the front seat assembly (See page
).

Installation

INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: Use the same procedure for the RH and LH sides. The procedu ...

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Removal
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Toyota 4Runner: Lumbar Switch

Installation

Power Seat Switch

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