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Home >> Lexus >> 2008 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Body and Frame >> Seats >> Seat Temperature Element >> Testing and Inspection >> Component Tests and General Diagnostics >> Front Seat Cushion Heater

Front Seat Cushion Heater









SEAT: FRONT SEAT CUSHION HEATER: INSPECTION






1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH
(a) Check the seat cushion heater.
(1) Heat the thermostat with a light.
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






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






2. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH
(a) Check the seat cushion heater.
(1) Heat the thermostat with a light.
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the No. 1 seat cushion assembly (cushion set, occupant detection sensor, occupant classification ECU and 2 nuts).






3. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH (w/ Climate Control Seat System)
(a) Check the seat cushion heater.
(1) Heat the thermostat with a light.
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






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






4. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH (w/ Climate Control Seat System)
(a) Check the seat cushion heater.
(1) Heat the thermostat with a light.
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






If the result is not as specified, replace the seat set (cushion set, occupant detection sensor, occupant classification ECU and 2 nuts).