Lexus ES manuals

Lexus ES: Precaution

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal.
  • When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.

    System Name

    See Procedure

    Lane Control System (for Gasoline Model)

    Parking Support Brake System (for Gasoline Model)

    Parking Assist Monitor System (for Gasoline Model)

    Panoramic View Monitor System (for Gasoline Model)

    Pre-collision System (for Gasoline Model)

    Power Trunk Lid System (for Gasoline Model)

    Lighting System (for Gasoline Model)

PRECAUTION FOR AUDIO AND VISUAL SYSTEM

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), be sure to replace it with a new one (w/ Manual (SOS) Switch).

(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

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 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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 Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter

DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly.

 Utility

UTILITY NOTICE: If the HV battery or an HV supply stack sub-assembly has been replaced, make sure to perform the following utilities in the following order: "Battery Status Info Update", "Prediagnostic Battery Charge" then "Battery Diagnosis". "Have Traction Battery Inspected" is displayed, per

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