Lexus ES: Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
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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.
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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 NAVIGATION SYSTEM
NOTICE:
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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:
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A communication malfunction DTC may be stored.
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The radio receiver assembly or navigation ECU may not operate normally.
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When performing the following work, the navigation system may restart when turning the engine switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
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Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
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The radio receiver assembly or navigation ECU replacement or removal and installation.
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When replacing the DCM (telematics transceiver), be sure to replace it with a new one (w/ Manual (SOS) Switch).
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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.
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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.
Click here
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Radio receiver assembly*1
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DCM (telematics transceiver)*2
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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
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
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
SEE MORE:
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection duration. The fuel trim consists of both the short-term and long-term fuel trims. The short-term fuel trim is fuel compensation that is used to constantly maintain the air fuel ratio at stoichiometric
COMPONENTS ILLUSTRATION *1 BRAKE MASTER CYLINDER O-RING *2 BRAKE MASTER CYLINDER SUB-ASSEMBLY *3 BRAKE LINE *4 CONNECTOR *5 BRAKE BOOSTER ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (k
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