Lexus ES: Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE:
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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.
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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:
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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 power switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
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Repair or replace the negative (-) auxiliary 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 main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
REMOVAL PROCEDURE 1. REMOVE REAR NO. 1 STABILIZER BAR BRACKET (a) Remove the 4 bolts and 2 rear No. 1 stabilizer bar brackets from the vehicle body. 2. REMOVE CANISTER (CHARCOAL CANISTER ASSEMBLY) (a) Disconnect the fuel tank vent hose sub-assembly from the leak detection pump sub-ass
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