Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Network Gateway Ecu

Lost Communication with Power Source Control (B278C)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more. DTC No. Detection Item ...

Components

COMPONENTS ILLUSTRATION *1 ECU INTEGRATION BOX RH *2 NETWORK GATEWAY ECU ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > 4wd Control Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT AWD LOCK SWITCH (COMBINATION SWITCH ASSEMBLY) (a) Inspect the AWD lock switch: (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 5 (B) - 1 (GND) AWD lock switc ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Operation Check
OPERATION CHECK PRECAUTION FOR OPERATION CHECK CAUTION: Use the correct procedure to replace the airbag parts. CHECK SRS WARNING LIGHT (a) Primary check (1) Turn the engine switch on (IG) and check that the SRS warning light turns on. (2) Turn the engine switch off. Wait for at least 2 seconds, an ...