PROCEDURE
1. | CHECK CONDITION |
(a) Check with the customer if the vehicle has been turned by a turntable. OK: Vehicle has not been turned by a turntable. HINT: If the vehicle is turned on a turntable with the engine switch on (IG), the system may store the angular velocity. As a result, the vehicle position cursor may deviate. In this case, the vehicle position cursor will return to normal by turning the engine switch off and back to on (IG) again with the vehicle completely stopped. | |
OK | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | TURN ENGINE SWITCH ON (IG) WHEN VEHICLE IS COMPLETELY STOPPED |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Lost Communication with Gateway Module (Main Body ECU) (U1002)
DESCRIPTION
The main body ECU (multiplex network body ECU) will store this DTC when no signals can be received from the ECUs that have been memorized as those that are connected to sub bus 1.
When the main body ECU (multiplex network body ECU) receives a response signal from the ECUs connected ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Diagnosis System
DIAGNOSIS SYSTEM CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION (a) The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle. Bus ECU/Sensor Name ...