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Seat Cushion

1.Remove the following parts:

(1)Front seat (See FRONT SEAT REMOVAL/INSTALLATION.)

(2)Front seat side cover (See FRONT SEAT SIDE COVER REMOVAL/INSTALLATION.)

(3)Front seat front cover (See FRONT SEAT FRONT COVER REMOVAL/INSTALLATION.)

(4)Front seat cushion trim (See FRONT SEAT CUSHION TRIM REMOVAL/INSTALLATION.)

2.While inspecting for continuity between the connector terminals A and B, use a dryer to warm the thermostat of the seat warmer unit on seat cushion.

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3.When the ohmmeter indicates that there is no continuity, turn off the dryer, then use a thermometer to measure the temperature of the thermostat.

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4.Verify that the temperature is approx. 37 °C {99 °F}.

5.Using an ohmmeter, verify that there is continuity between the seat warmer unit connector terminals when temperature drops to approx. 28 °C {82 °F}.

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• If not as indicated in the table, replace the seat warmer unit.

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Seat Back

1.Remove the following parts:

(1)Front seat (See FRONT SEAT REMOVAL/INSTALLATION.)

(2)Front seat side cover (See FRONT SEAT SIDE COVER REMOVAL/INSTALLATION.)

(3)Front seat front cover (See FRONT SEAT FRONT COVER REMOVAL/INSTALLATION.)

(4)Front seat cushion (See FRONT SEAT CUSHION TRIM REMOVAL/INSTALLATION.)

(5)Front seat back trim (See FRONT SEAT BACK TRIM REMOVAL/INSTALLATION.)

2.Verify that the continuity between terminals A and B is as indicated in the table.

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• If not as indicated in the table, replace the seat warmer unit.

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