Lexus NX: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Front Power Seat Control System (w/o Memory) [for Driver Side]

Symptom

Suspected Area

Link

All functions do not operate

P/SEAT F/L Fuse

-

Front power seat switch LH

Harness or connector

-

Only slide function does not operate

Front power seat switch LH

Front seat adjuster assembly LH (slide motor)

Harness or connector

-

Only front vertical function does not operate

Front power seat switch LH

Front seat adjuster assembly LH (front vertical motor)

Harness or connector

-

Only rear lifter function does not operate

Front power seat switch LH

Front seat adjuster assembly LH (rear lifter motor)

Harness or connector

-

Only reclining function does not operate

Front power seat switch LH

Separate type front seatback spring assembly LH (reclining motor)

Harness or connector

-

Only lumbar support adjustment function does not operate

Front lumbar power seat switch

Front power seat switch LH

Lumbar support adjuster assembly LH (lumbar support motor)

Harness or connector

-

Front Power Seat Control System (w/o Memory) [for Front Passenger Side]

Symptom

Suspected Area

Link

All functions do not operate

P/SEAT F/R Fuse

-

Front power seat switch RH

Harness or connector

-

Only slide function does not operate

Front power seat switch RH

Front seat adjuster assembly RH (slide motor)

Harness or connector

-

Only front vertical function does not operate

Front power seat switch RH

Front seat adjuster assembly RH (front vertical motor)

Harness or connector

-

Only rear lifter function does not operate

Front power seat switch RH

Front seat adjuster assembly RH (rear lifter motor)

Harness or connector

-

Only reclining function does not operate

Front power seat switch RH

Separate type front seatback spring assembly RH (reclining motor)

Harness or connector

-

READ NEXT:

 Front Seat Assembly

 Precaution

PRECAUTION HINT: The following procedures are used to prevent wrinkles from forming when installing the seat cover. Make sure to follow the procedures correctly. The shape of the seat shown i

 Components

COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 AUXILIARY BATTERY NEGATIVE TERMINAL N*m (kgf*cm, ft.*lbf): Specified

SEE MORE:

 Actuator Supply Voltage Circuit / Open (P0657)

MONITOR DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage is usually 0 V when the power switch is turned off. If the output voltage is higher than 7 V when the power switch is turned off, the ECM

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Handle components indoors as much as possible to prevent foreign matter from entering and adhering to headlight assembly components. Do not reuse parts which have reduced fastening ability due to thread damage. When installing components, make sure

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