Lexus NX: Precaution

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

NOTICE:

After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name

See Procedure

Vehicle enrolled in Lexus Enform system or safety connect system

6 minutes

Vehicle not enrolled in Lexus Enform system and safety connect system

1 minute

NOTICE:

  • When replacing the radio receiver assembly, always replace it with a new one.

    If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

    • A communication malfunction DTC may be stored.
    • The radio receiver assembly may not operate normally.
  • When replacing the DCM (telematics transceiver), make sure to replace it with a new one (w/ Manual [SOS] Switch).

PRECAUTION FOR AUDIO AND VISUAL SYSTEM

(a) If replacing any of parts, do the settings shown in the table below.

w/ Manual (SOS) Switch

Replacement Part

Necessary Procedure

Link

*1: w/ SXM System

*2: for Lexus Enform Remote Compatible Type

Radio receiver assembly

After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, radio ID registration is necessary*1

-

Re-install the eOwner's manual

-

DCM (telematics transceiver)

Vehicle contract setting

Code registration*2

w/o Manual (SOS) Switch

Replacement Part

Necessary Procedure

Link

Radio receiver assembly

Re-install the eOwner's manual

-

READ NEXT:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.5 FUSE - ECU-B NO.1 FUSE *2 NO. 1 ENGINE ROOM RELAY BLOCK - AMP FUSE - RADIO FUSE

 System Diagram

SYSTEM DIAGRAM

 System Description

SYSTEM DESCRIPTION DISC PLAYER OUTLINE (a) A disc player uses a laser pickup to read digital signals recorded on a disc. By converting the digital signals to analog, it can play music, video and audio

SEE MORE:

 Installation

INSTALLATION PROCEDURE 1. INSTALL HEATER ACCESSORY ASSEMBLY (a) Connect the heater water inlet hose A with the paint mark (Blue) facing up and attach the clip within the area shown in the illustration. NOTICE: Do not apply excessive force to the heater water inlet hose A. *a View A

 Assist Map Number Mismatch (C1582)

DESCRIPTION When an incorrect hybrid vehicle control ECU, an incorrect Skid control ECU or an incorrect main body ECU is installed after the assist map has been written in the power steering ECU assembly, then DTC C1582 is stored because the data does not match the vehicle specifications. DTC No.

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