DIAGNOSIS SYSTEM
DESCRIPTION
(a) Smart access system with push-button start (for Entry Function) 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 smart access system with push-button start. 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 > Sfi System: Internal Control Module Throttle Position Performance Internal Electronic Failure (P060E49,P061E49)
MONITOR DESCRIPTION The ECM monitors the signals received from the No. 1 throttle position sensor and stop light switch assembly. As the ECM monitors the STP signal of the stop light switch assembly and the VTA1 signal of the No. 1 throttle position sensor, if these signals do not correlate, a DTC w ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Short in P Squib (Dual Stage - 2nd Step) Circuit (B1815-B1818)
DESCRIPTION The front passenger squib 2nd step circuit consists of the airbag sensor assembly and instrument panel passenger airbag assembly. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected in ...