Home Vehicle Interior Seat SEAT HEATER SWITCH (for Front Side)
Last Modified: 11-27-2007 1.6 G
Service Category: Vehicle Interior Section: Seat
Model Year: 2008 Model: LX570 Doc ID: RM000002XF000AX
Title: SEAT: SEAT HEATER SWITCH (for Front Side): INSPECTION (2008 LX570)

INSPECTION

1. INSPECT SEAT HEATER SWITCH LH



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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

3 (VGL) - 5 (V5L)

Switch off

2.7 to 4.1 kΩ

Switch on (Min.)

Switch on (Max.)

0.28 to 0.42 kΩ

HINT:

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

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

(b) Apply battery voltage to the switch connector, and check that the seat heater switch illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 8 (ILL+)

Battery negative (-) → 5 (ILL-)

Switch illuminates

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

2. INSPECT SEAT HEATER SWITCH RH



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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

3 (VGR) - 5 (V5R)

Switch off

2.7 to 4.1 kΩ

Switch on (Min.)

Switch on (Max.)

0.28 to 0.42 kΩ

HINT:

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

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

(b) Apply battery voltage to the switch connector, and check that the seat heater switch illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 8 (ILL+)

Battery negative (-) → 5 (ILL-)

Switch illuminates

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