DESCRIPTION
If 2 or more ECUs and/or sensors do not appear on the intelligent tester "Communication Bus Check" screen, one side of the CAN branch wire may be open. (One side of the CAN-H [branch wire] / CAN-L [branch wire] of the ECU and/or sensor is open.)
Symptom |
Trouble Area |
2 or more ECUs and/or sensors do not appear on the intelligent tester "Communication Bus Check" screen. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
HINT: Perform the following inspection for the ECUs (sensors) which are not displayed on the intelligent tester. If the malfunction cannot be identified, then perform the following inspections for the ECUs (sensors) connected to CAN communication.
1 CHECK FOR OPEN IN ONE SIDE OF CAN BRANCH WIRE
HINT: If any ECUs or sensors, other than those from which the connectors were disconnected in the previous step, are not displayed on the "Communication Bus Check" screen, reconnect the disconnected connectors and repeat the procedures [*1], [*2], and [*3].
(e) Perform the communication stop mode check for the ECUs and sensors which correspond to the disconnected connectors.
GO TO CORRESPONDING COMMUNICATION STOP MODE
Maintenance
requirements
To ensure safe and economical driving, day-to-day care and regular
maintenance are essential. It is the owner’s responsibility to
perform regular checks. Toyota recommends the following maintenance:
General maintenance
General maintenance should be performed on a daily basis. This can
be done ...
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