DIAGNOSTIC TROUBLE CODE CHART
Wireless Door Lock Control System| DTC No. | Detection Item | Link |
|---|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction | |
Data List / Active Test
Wireless Door Lock Tuner Circuit Malfunction (B1242)Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Smart Access System With Push-button Start (for Start Function): Engine does not Start
DESCRIPTION When the electrical key transmitter sub-assembly is in the cabin and the engine switch is pressed, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. Additionally, when the shift lever is in P and the brake pedal is depressed, the engine c ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Mass Air Flow Meter: Inspection
INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY (a) Perform a visual check for any foreign matter on the intake air temperature sensor (thermistor) of the mass air flow meter sub-assembly shown in the illustration. OK: There is no foreign matter. If the result is not as specifie ...