SYSTEM DIAGRAM
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Lin Communication System: No Response from ID BOX (B2789)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2789 No Response from ID BOX No communicatio ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Can Communication System: Check Bus 5 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 5 main lines and/or bus 5 branch lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 15 (CA5H) and 16 (CA5L) of network gatew ...