Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Smart Access System with Push-button Start (for Entry Function)

DTC No.

Detection Item

Link

B27A1

Open in Driver Side Electrical Antenna Circuit

B27A2

Open in Front Passenger Side Electrical Antenna Circuit

B27A3

Open in Rear Door Electrical Antenna Circuit, Drivers Side

B27A4

Open in Rear Door Electrical Antenna Circuit, Front Passengers Side

B27A5

Open in Front Floor Electrical Key Oscillator Circuit

B27A6

Open in Rear Floor Electrical Key Oscillator Circuit

B27A7

Open in Inside Luggage Compartment Electrical Key Oscillator Circuit

B27A8

Open in Outside Luggage Compartment Electrical Key Antenna Circuit

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 Operation History List

OPERATION HISTORY LIST NOTICE: The cause of a malfunction is stored in the RAM or EEPROM in the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be c

 Open in Driver Side Electrical Antenna Circuit (B27A1)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly (for driver door) (electrical key antenna) at i

 Open in Front Passenger Side Electrical Antenna Circuit (B27A2)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly (for front passenger door) (electrical key ante

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 Installation

INSTALLATION PROCEDURE 1. INSTALL INNER REAR VIEW MIRROR ASSEMBLY (a) Slide the inner rear view mirror assembly in the direction indicated by the arrow shown in the illustration to install the inner rear view mirror assembly. *a Screw *b Connector (b) Using a T20 "TO

 Side Satellite Sensor Bus Lost Communication (RH) (B1642,B1643,B1647,B1648)

DESCRIPTION The circuit for the side collision sensor LH or RH is composed of the airbag ECU assembly, side airbag sensor assembly LH or RH and door side airbag sensor LH or RH. The door side airbag sensor LH or RH and side airbag sensor assembly LH or RH detect impacts to the vehicle and send signa

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