Lexus NX: Operation Check
OPERATION CHECK
CHECK SEAT HEATER (for Front)
(a) Turn the power switch on (IG).
(b) Check that the indicator illuminates and the surface of the front seat warms up, when the seat heater switch on the air conditioning control assembly is turned on.
(c) Check that the front seat surface temperature changes according to the operation of the seat heater switch on the air conditioning control assembly as follows: HI → MID → LO.
CHECK SEAT HEATER (for Rear) (w/ Rear Seat Heater)
(a) Turn the power switch on (IG).
(b) Check that the indicator illuminates and the surface of the rear seat warms up, when the refreshing seat switch turned on.
(c) Check that the rear seat surface temperature changes according to the operation of the seat heater switch on the air conditioning control assembly as follows: HI → MID → LO.
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the auxiliary battery voltage is low, the seat heater system may not operate. When "High Power Consumption / Partial Limit On AC/Heater Operation" is displayed on
Terminals Of Ecu
TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the I50 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s) in th
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctio
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Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Panoramic View Monitor System *B w/ Parking Assist Monitor System *1 BLIND SPOT MONITOR SENSOR LH (MASTER) *2 BLIND SPOT MONITOR SENSOR RH (SLAVE) *3 OUTER MIRROR CONTROL ECU ASSEMBLY LH *4 OUTER MIRROR CONTROL ECU ASSEMBLY RH *5
Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
If the front seat cushion airbag assembly RH was deployed, replace the front seat cushion airbag assembly RH, separate type front seat cushion spring assembly, separate type fro
