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 ECM removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
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*: When performing learning using the Techstream.
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| Auxiliary battery terminal is disconnected/reconnected | 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) | | |
| Replacement of ECM | Perform Vehicle Identification Number (VIN) registration | MIL illuminates | |
NOTICE:
- 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 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 Navigation System)
- If the ECM has been struck or dropped, replace it.
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Perform Vehicle Identification Number (VIN) registration when replacing the ECM.
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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the power switch 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. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
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3. REMOVE ECM
| (a) Rotate the 2 levers while pushing the locks, and disconnect the 2 ECM connectors. NOTICE: After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors. |
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(b) Remove the bolt and separate the engine wire from the No. 2 ECM bracket.
(c) Disengage the clamp.
| (d) Remove the 2 nuts and ECM. NOTICE: If the ECM has been struck or dropped, replace it. |
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4. REMOVE NO. 1 ECM BRACKET
| (a) Remove the 2 screws and No. 1 ECM bracket from the ECM. |
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5. REMOVE NO. 2 ECM BRACKET
| (a) Remove the 2 screws and No. 2 ECM bracket from the ECM. |
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READ NEXT:
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 2 ECM BRACKET (a) Install the No. 2 ECM bracket to the ECM with the 2 screws. Torque: 4.5 N·m {46 kgf·cm, 40 in·lbf} 2. INSTALL NO. 1 ECM BRACKET (a) Install
Components
COMPONENTS ILLUSTRATION *1 COOL AIR INTAKE DUCT SEAL *2 ENGINE COOLANT TEMPERATURE SENSOR *3 INLET AIR CLEANER ASSEMBLY *4 NO. 2 ENGINE COOLANT TEMPERATURE SENSOR N*m (kgf*c
SEE MORE:
Portable Player cannot be Registered
CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function properly, or the functions may be limited using the radio receiver assembly, even if the portable audio player itself can play files. Click here PROCEDURE 1. CHECK THAT PORTABLE PLAYER IS "B
Lost Communication With ECM/PCM "A" Missing Message (U010087,U029387,U117087)
DESCRIPTION The motor generator control ECU communicates with the hybrid vehicle control ECU, ECM and skid control ECU assembly via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate U010087 Lost Communication With ECM/PCM "A" Missi
