LS 400 V8-4.0L (1UZ-FE) (1990)
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Seat Heater Switch: Testing and Inspection
INSPECTION OF SEAT HEATER SWITCH
INSPECT SEAT HEATER SWITCH (Continuity)
Inspect the switch continuity between terminals as shown.
(Indicator)
(a) Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 1.
(b) Push the switch, check that the indicator light lights up.
If operation is not as specified, replace the switch.
