DIAGNOSIS SYSTEM
DESCRIPTION
(a) The DCM (telematics transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. 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.
CHECK INDICATOR
(a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction.
Click here
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Ignition Circuit
DESCRIPTION A direct ignition system is used on this vehicle. The direct ignition system is a 1 cylinder ignition system which ignites one cylinder with one ignition coil. In the 1 cylinder ignition system, one spark plug is connected to the end of the secondary winding. High voltage is generated in ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ignition Coil And Spark Plug: Installation
INSTALLATION PROCEDURE 1. INSTALL SPARK PLUG HINT: Perform "Inspection After Repair" after replacing a spark plug. Click here (a) Install the 6 spark plugs to the cylinder head sub-assembly and cylinder head LH. Torque: 18 N·m {184 kgf·cm, 13 ft·lbf} NOTICE: If a spark plug has been struck or ...