Last Modified: 4-30-2014 6.6 G Doc ID: RM000001CFU006X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: SEAT: SEAT HEATER SWITCH: INSPECTION; 2006 MY LX470 [05/2005 -        ]

INSPECTION

1. INSPECT SEAT HEATER SWITCH

(a) Inspect the seat heater switch continuity.

OK:

Tester Connection

Switch Condition

Specified Condition

3 (HI) - 4 (IG)

HI

Continuity

5 (LO) - 6 (E)

HI

Continuity

3 (HI) - 4 (IG)

OFF

No continuity

5 (LO) - 6 (E)

OFF

No continuity

4 (IG) - 5 (LO)

OFF

No continuity

4 (IG) - 5 (LO)

LO

Continuity

1 - 2

Illumination circuit

Continuity

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

(b) Push the seat heater switch ON and check that the seat heater switch indicator illuminates when the switch is operated.

OK:

Measurement Condition

Switch Condition

Specified Condition

Battery positive (+) → Terminal 4 (IG)

Battery negative (-) → Terminal 6 (E)

HI

Illuminates

Battery positive (+) → Terminal 4 (IG)

Battery negative (-) → Terminal 6 (E)

LO

Illuminates

If the operation is not as specified, replace the switch and inspect the circuits connected to other parts.