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:

 Open in Bus 3 Main Bus Line

DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of the cent

 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the intelligent clearance sonar system, the warning message "Parking Support Brake System Malfunction Visit Your Dealer" or "Parking Support Brake Unavailable" is displayed on the multi-information display, the ICS OFF indicator

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