INSTALLATION
PROCEDURE
1. PRECAUTION
NOTICE:
When 4WD ECU assembly is replaced with a known good one from another vehicle, it is necessary to perform calibration.
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2. INSTALL 4WD ECU ASSEMBLY
| (a) Install the 4WD ECU assembly with the bolt. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} |
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(b) Connect the 4WD ECU assembly connector.
3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
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4. INSTALL COWL SIDE TRIM BOARD RH
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5. INSTALL FRONT DOOR SCUFF PLATE RH
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6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
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Components
RemovalLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Check Mode Procedure
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode. NOTICE: All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mo ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Main Body ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Either condition is met:
"Main Body" is not displayed on the CAN Bus Check screen of the Techstream.
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Communication system DTCs (DTCs that start with U) that correspond to "Main Bod ...