Lexus ES manuals

Lexus ES: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during tire pressure warning ECU and receiver removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from battery terminal

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

Pre-collision System (for Gasoline Model)

Parking Support Brake System (for Gasoline Model)*

Lighting System (for Gasoline Model)

Memorize steering angle neutral point

Parking Assist Monitor System (for Gasoline Model)

Panoramic View Monitor System (for Gasoline Model)

Initialize power trunk lid system

Power Trunk Lid System (for Gasoline Model)

Tire pressure warning ECU and receiver

  • Register transmitter ID
  • Initialize tire pressure warning system
  • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates
  • Tire pressure warning function

for Registration

for Initialization

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System (for HV Model)

Pre-collision System (for HV Model)

Parking Support Brake System (for HV Model)*

Lighting System (for HV Model)

Memorize steering angle neutral point

Parking Assist Monitor System (for HV Model)

Panoramic View Monitor System (for HV Model)

Initialize power trunk lid system

Power Trunk Lid System (for HV Model)

Tire pressure warning ECU and receiver

  • Register transmitter ID
  • Initialize tire pressure warning system
  • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates
  • Tire pressure warning function

for Registration

for Initialization

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

for HV Model: Click here

for Gasoline Model: Click here

NOTICE:

  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.

    for HV Model: Click here

    for Gasoline Model: Click here

  • 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. (for HV Model Audio and Visual System)
  • 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. (for HV Model Navigation System)
  • 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. (for Gasoline Model Audio and Visual System)
  • 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. (for Gasoline Model Navigation System)

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

2. REMOVE ROOF SIDE INNER GARNISH ASSEMBLY RH

Click here

3. REMOVE TIRE PRESSURE WARNING ECU AND RECEIVER

NOTICE:

  • Do not drop the tire pressure warning ECU and receiver, strike it with tools or subject it to impact.
  • If the tire pressure warning ECU and receiver is subjected to an impact, replace it with a new one.

(a) Remove the bolt.

(b) Disengage the 2 guides.

(c) Disconnect the connector to remove the electrical key and tire pressure warning ECU and receiver.

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL TIRE PRESSURE WARNING ECU AND RECEIVER NOTICE: Do not drop the tire pressure warning ECU and receiver, strike it with tools or subject it to impact. If the tire

 Tire Pressure Warning 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 s

SEE MORE:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical > Front Radar Sensor > Trouble Codes (e) Check for DTCs (Test Failed / Pending / Confirmed). Techstream Display

 Steering Pad Switch Circuit

DESCRIPTION The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the hybrid vehicle control ECU. The hybrid vehicle control ECU controls the dynamic cruise control system according to the signals received from the steering pad switch a

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