ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the occupant detection ECU.
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
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2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision)
(a) Perform a diagnostic system check.
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(b) Visually check for defects with the occupant detection ECU removed from the vehicle.
HINT:
The defects are as follows:
OK:
No defects are found.
If any defects are found, replace the occupant detection ECU with a new one.
Components
RemovalLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Torque Control Awd System: Steering Angle Sensor (C1297)
DESCRIPTION The 4WD ECU assembly determines that the vehicle is turning based on the signals sent from the steering sensor. The steering sensor signal is sent to the 4WD ECU assembly via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area C1297 Steering Angl ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Fuel Pump Control Circuit
DESCRIPTION The fuel pump (for low pressure side) circuit consists of the ECM, fuel pump (for low pressure side) and fuel pump control ECU assembly (which operates the fuel pump (for low pressure side)). Based on the engine output, the ECM determines the fuel pump speed. The speed is then converted ...