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 navigation ECU 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 |
|---|---|---|---|
|
*1: When performing learning using the Techstream.
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| Disconnect cable from negative battery terminal | Memorize steering angle neutral point | Lane Control System | |
| Pre-collision System | |||
| Intelligent Clearance Sonar System*1 | |||
| Parking Assist Monitor System | | ||
| Panoramic View Monitor System | | ||
| Lighting System (w/ Automatic Headlight Beam Level Control System) | | ||
| Initialize back door lock | Power Door Lock Control System | | |
| Reset back door close position | Power Back Door System (w/ Outside Door Control Switch) | | |
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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(a) for Audio and Visual System:
NOTICE:
NOTICE:
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(b) for Navigation System:
NOTICE:
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 LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL
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4. REMOVE LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL
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5. REMOVE INSTRUMENT CLUSTER FINISH PANEL ORNAMENT
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6. REMOVE LOWER INSTRUMENT FINISH PANEL SUB
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7. REMOVE RADIO RECEIVER ASSEMBLY WITH REGISTER
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8. REMOVE NO. 1 NAVIGATION WIRE
| (a) Disconnect the 2 connectors to remove the No. 1 navigation wire. |
|
9. REMOVE NO. 1 RADIO BRACKET
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10. REMOVE NO. 2 RADIO BRACKET
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11. REMOVE NAVIGATION ECU
ComponentsLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Intelligent Clearance Sonar System: Stop Light Relay Circuit (C1A4B)
DESCRIPTION When a stop light relay circuit malfunction signal sent from the vehicle stability control system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4B Stop Light Relay Circuit Stop light ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Window Control System: Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
DESCRIPTION If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode. If power window initialization has not been performed, the auto up and down functions will not operate. Click here WIRING DIAGRAM C ...