Lexus ES manuals

Lexus ES: Precaution

Lexus ES (XZ10) Service Manual / Vehicle Interior / Window / Glass / Power Window Control System (for Hv Model) / 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 systems after the cable 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)

POWER WINDOW CONTROL SYSTEM PRECAUTIONS

NOTICE:

  • The power window control system uses the LIN communication system and CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

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  • The power window control system prohibits the auto up and down functions if the jam protection function or catch protection function malfunctions.
  • If a power window regulator motor assembly has been replaced with a new one, initialize a power window control system.

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  • If a power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system.

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  • The jam protection function or catch protection function may operate unexpectedly, even when the power window control system is normal, due to detection of a value different than the operation learned value when the door glass moving speed changes sharply under any of the following conditions:
    1. A power window is being opened or closed while the vehicle is driven on a rough road.
    2. A power window is being opened or closed while the door is being opened or closed.
    3. The voltage changes abruptly.
  • Do not disconnect the auxiliary battery while the power switch is on (IG). Otherwise, DTC B2313 will be stored.

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 COMBINATION METER ASSEMBLY *3 DLC3 *4 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) *5 INSTRUMENT PA

 System Description

SYSTEM DESCRIPTION POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motor assemblies. The main controls

 System Diagram

SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Multiplex Network Master Switch Assembly Power Window Regulator Motor Assembly (for Driv

SEE MORE:

 Torque Sensor1 (C1511-C1514,C1521-C1523,C1528,C1531-C1555)

DESCRIPTION While torque sensor system, motor system or ECU system malfunctions are detected, the fail-safe function suspends power assist. However, power assist continues with limited assistance amount if only C1533 or C1534 is output. DTC No. Detection Item DTC Detection Condition Trouble

 Buzzer does not Sound

WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When checking for DTCs, make sure that the blind spot monitor system is turned on. Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK DTC (a) Turn the engine switch off.

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