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Home >> Lexus >> 2007 >> RX 400h AWD V6-3.3L (3MZ-FE) Hybrid >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Open In One Side of CAN Sub Bus Line
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Open In One Side of CAN Sub Bus Line

Open in One Side of CAN Sub Bus Line

DESCRIPTION




If 2 or more ECUs and/or sensors do not appear on the intelligent tester "BUS CHECK" screen via the CAN VIM, one side of the CAN sub-bus lines may be open. (One side of the CAN-H [sub-bus line] / CANL [sub-bus line] of the ECU and/or sensor is open.)

Wiring Diagram:






Step 1-2:




INSPECTION PROCEDURE

HINT:
- Perform the following inspections for the ECUs (sensors) that are not displayed on the intelligent tester first. If a malfunction is still not able to be identified, perform the given inspections for all other ECUs (sensors) connected to the CAN communication system.
- The basic inspection procedures that can be used for all related ECUs in common are shown given. "ECU A" represents the following: HV control ECU, steering sensor, yaw rate sensor, skid control ECU, network gateway ECU, power steering ECU, distance control ECU.
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