Lexus ES: Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system(s) after the cable is reconnected:
| System | 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) |
HANDLING PRECAUTIONS
(a) When handling electronic parts:
(1) Avoid any impact to electronic parts such as ECUs and relays. Replace these parts with new ones if dropped or subjected to a severe blow.
(2) Do not expose any electronic parts to high temperatures or humidity.
(3) Do not touch the connector terminals in order to prevent deformation or malfunctions due to static electricity.
HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident.
Before servicing (including inspection, replacement, removal and installation of parts), be sure to read the precautionary notices for Supplemental Restraint System.
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Parts Location
PARTS LOCATION ILLUSTRATION *1 TILT AND TELESCOPIC SWITCH *2 STEERING COLUMN ASSEMBLY - TILT MOTOR - TELESCOPIC MOTOR *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Main Body ECU (Multiplex Network Body ECU) Multiplex Tilt and Telescopic EC
System Description
SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor (steering column assembly) and telescop
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Parts Location
PARTS LOCATION ILLUSTRATION *1 TILT AND TELESCOPIC SWITCH *2 STEERING COLUMN ASSEMBLY - TILT MOTOR - TELESCOPIC MOTOR *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - TI&TE FUSE *4 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-DCC NO. 2 FUSE - ECU-IG1 NO.
Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of switches,
