Lexus NX: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • 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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Clock System

Symptom

Suspected Area

Link

Needle does not move

Check customize setting

Navigation system

Harness or connector

-

Clock assembly

Illumination does not illuminate at night

Harness or connector

-

Clock assembly

Clock is slow or fast

Check customize setting

Harness or connector

-

Clock assembly

Navigation system clock setting information is not applied

Check customize setting

Navigation system

Harness or connector

-

Clock assembly

There is abnormal noise

Clock assembly

Navigation system and combination meter times do not match

Check customize setting

Navigation system

Clock assembly

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 Terminals Of Ecu

TERMINALS OF ECU CLOCK ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition I163-1 (ILL-) - Body ground G - Body ground Illumination signa

 Combination Meter

 Components

COMPONENTS ILLUSTRATION *A for 8 Inch Display *B for 10.3 Inch Display *1 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY *2 CONSOLE ARMREST ASSEMBLY *3 INSTRUMENT CLUSTER FI

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 Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the I51 and I53 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the con

 Front Passenger Side Door Entry Lock Function does not Operate

DESCRIPTION If the entry lock function does not operate for the front passenger door only, but the entry unlock function operates, the request code is being transmitted properly from the for passenger door. In this case, there may be a problem related to the lock sensor (connection between the certi

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