DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Drive Belt: Precaution
PRECAUTION NOTICE:
Do not apply or add any oil or grease to the belt tensioner to prevent abnormal noises from the belt tensioner pulley, belt squealing, etc.
Do not allow oil or grease to adhere to the moving parts of the belt tensioner, as this may cause malfunctions.
If oil or grease ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > 2gr-fks (intake / Exhaust): Intake Air Control Valve (for Acis)
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS) (a) Remove the V-bank cover sub-assembly. Click here (b) Disconnect the vacuum hose sub-assembly from the intake air control valve (for ACIS). (c) Connect a hose and vacuum pump to ...