LX 570 V8-5.7L (3UR-FE) (2010)
10. CHECK DTC COMBINATION TABLE (V BUS CIRCUIT BRANCH WIRE OPEN PAST MALFUNCTION)
(a) Based on the combination of stored CAN communication system DTC's, determine which ECUs and sensors have a communication stop
malfunction See: Initial Inspection and Diagnostic Overview/CAN Communication System/Diagnosis System.
NEXT -- Continue to next step.
11. PERFORM MALFUNCTION SIMULATION TEST (V BUS CIRCUIT MAIN WIRE PAST MALFUNCTION)*
(a) Using the Techstream, clear all DTC's.
(b) Perform a malfunction simulation test on all harnesses and connectors related to the V bus circuit main wire.
(c) Check the DTC's that were stored as a result of the malfunction simulation test. Then determine the malfunctioning area.
NEXT -- Continue to next step.
12. ADJUST, REPAIR AND REPLACE
NEXT -- Continue to next step.
13. CONFIRMATION TEST
NEXT -- END
Diagnosis System
NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM
1. BUS CHECK
(a) Select "CAN Bus Check" from "System Select".
2. CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) Systems (ECUs and sensors) that use CAN communication vary depending on the optional settings of the vehicle. Check which systems (ECUs
and sensors) are installed on the vehicle.