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 Procedure 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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Battery terminal is disconnected/reconnected | Memorize steering angle neutral point | Lane Control System |
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Pre-collision System | |||
Intelligent Clearance Sonar System*1 | |||
Parking Assist Monitor System |
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Panoramic View Monitor System |
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Lighting System (w/ Automatic Headlight Beam Level Control System) |
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Initialize back door lock | Power Door Lock Control System |
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Reset back door close position | Power Back Door System (w/ Outside Door Control Switch) |
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Replacement of ECM | Vehicle Identification Number (VIN) registration | MIL comes on |
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ECU communication ID registration (Immobiliser system) | Engine start function |
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Perform the following procedures in the order shown (If possible, read the transaxle compensation code from the previous ECM):
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| for U881E Initialization U881E Registration U881F Initialization U881F Registration | |
Perform the following procedures in the order shown (If impossible, read the transaxle compensation code from the previous ECM):
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Perform code registration (Immobiliser system) |
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*1: When performing learning using the Techstream.
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PROCEDURE
1. PRECAUTION
NOTICE:
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2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
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3. REMOVE COOL AIR INTAKE DUCT SEAL
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4. REMOVE ECM
(a) Raise the 2 levers while pushing the locks on the levers, 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) Disengage the wire harness clamp.
(c) Remove the 2 bolts and nut to remove the ECM.
NOTICE:
If the ECM has been struck or dropped, replace it.
Bolt | |
Nut |
5. REMOVE NO. 1 ECM BRACKET
(a) Remove the 2 bolts and No. 1 ECM bracket from the ECM. | |
6. REMOVE NO. 2 ECM BRACKET
(a) Remove the 2 bolts and No. 2 ECM bracket from the ECM. | |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Noise Occurs or Sound Skips when Portable Player Plays
CAUTION / NOTICE / HINT HINT:
Perform this check with the portable player volume set at an appropriate level.
Make sure that there are no obstructions between the portable player and the radio receiver assembly that may block signals, and that the portable player and the radio receiver assembly ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Multi-axis Acceleration Sensor Module "A" Supply Voltage Circuit Voltage Out of Range (C14D71C)
DESCRIPTION for TFT Meter Type:
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.
This DTC is stored when the skid control ECU (brake actuator assembly) receives a sensor supply voltage malfunction signal from the acceleration sensor (ai ...