Lexus ES manuals

Lexus ES: 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, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.
  • When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the terminal is reconnected.

    System Name

    See Procedure

    Lane Control System (for HV Model)

     

    Parking Support Brake System (for HV Model)

    Parking Assist Monitor System (for HV Model)

    Panoramic View Monitor System (for HV Model)

    Pre-collision System (for HV Model)

    Power Trunk Lid System (for HV Model)

    Lighting System (for HV Model)

PRECAUTION FOR NAVIGATION SYSTEM

NOTICE:

  • When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio receiver assembly or navigation ECU may not operate normally.
  • When performing the following work, the navigation system may restart when turning the power switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
    • Repair or replace the negative (-) auxiliary battery terminal due to it being disconnected or depleted.
    • The radio receiver assembly or navigation ECU replacement or removal and installation.
  • When replacing the DCM (telematics transceiver), be sure to replace it with a new one (w/ Manual (SOS) Switch).
  • After replacing the radio receiver assembly, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display assembly, update the software of the navigation ECU.
  • After replacing the navigation ECU, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display assembly, update the software of the radio receiver assembly.

(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.

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  • Radio receiver assembly*1
  • DCM (telematics transceiver)*2
  • *1: After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, SiriusXM radio ID registration is necessary (w/ SXM Function).

    *2: w/ Manual (SOS) Switch

READ NEXT:

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Prec

 Radio Broadcast cannot be Received or Poor Reception

CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Pre

 Radio Receiver Power Source Circuit

DESCRIPTION This is the power source circuit to operate the radio receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before perfor

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 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during kick door control sensor removal/installation are shown below. Necessary Procedure After Parts Removed/

 Electric Parking Brake Actuator (C13B800)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13B800 Electric Parking Brake Actuator Diagnosis Condition: Electric parking brake operating Malfunction Status: Free spinning or repeated slipping is detected Detection Time: - P

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