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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Generator Control Module (P0A1A-517,P0A1A-809)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the inverter for the generator. The cause of this malfunction may be one of the following: Internal inverter malfunction
Internal circuit malfunction in the inverter for the generator
Malfunction in ECU that
Components
COMPONENTS ILLUSTRATION *1 COOLING FAN ECU *2 COOLING FAN MOTOR *3 COOLING FAN WIRE *4 FAN *5 NO. 2 COOLING FAN MOTOR *6 NO. 2 FAN *7 COOLING FAN MOTOR INSULATOR - - N*m (kgf*cm, ft.*lbf): Specified torque - -
