Toyota RAV4 manuals

Toyota Sienna Service Manual: Inspection

1. INSPECT SEAT HEATER SWITCH LH

INSPECT SEAT HEATER SWITCH LH

  1.  Measure the resistance of the seat heater switch when the switch is operated.

Resistance

Resistance

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

HINT: As the dial is being turned, the resistance changes gradually.

INSPECT SEAT HEATER SWITCH LH

  1.  Push the seat heater switch ON and check that the seat heater switch indicator illuminates when the switch is operated.

    OK

Resistance

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

INSPECT SEAT HEATER SWITCH LH

  1.  Check the seat heater switch illumination.

    OK

Resistance

If the result is not as specified, replace the seat heater switch or bulb.

2. INSPECT SEAT HEATER SWITCH RH

 INSPECT SEAT HEATER SWITCH RH

  1.  Measure the resistance of the seat heater switch when the switch is operated.

Resistance

Resistance

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

HINT: As the dial is being turned, the resistance changes gradually.

 INSPECT SEAT HEATER SWITCH RH

  1.  Push the seat heater switch ON and check that the seat heater switch indicator illuminates when the switch is operated.

OK

Resistance

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

 INSPECT SEAT HEATER SWITCH RH

  1.  Check the seat heater switch illumination.

OK

Resistance

If the result is not as specified, replace the seat heater switch or bulb.

3. INSPECT FRONT SEAT BACK HEATER ASSEMBLY LH

  1.  Measure the resistance of the seatback heater.

Resistance

Resistance

If the result is not as specified, replace the seatback heater assembly.

4. INSPECT FRONT SEAT BACK HEATER ASSEMBLY RH

INSPECT FRONT SEAT BACK HEATER ASSEMBLY RH

  1.  Measure the resistance of the seatback heater.

Resistance

Resistance

If the result is not as specified, replace the seatback heater assembly.

5. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH

INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH

  1.  Measure the resistance of the seat cushion heater.

Resistance

Resistance

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

6. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH

INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH

  1.  Measure the resistance of the seat cushion heater.

Resistance

Resistance

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

On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE)  Disconnect the connector from the seat heater control.  Measure the voltage and resistance of each terminal of the wire harne ...

Front seat assembly (for Flat Type)
COMPONENTS ...

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