Can Communication System (For Lhd Without Entry And Start System) -- Precaution |
1.STEERING SYSTEM HANDLING PRECAUTIONS |
Care must be taken when replacing parts. Incorrect replacement could affect the performance of the steering system and result in hazards when driving.
2.SRS AIRBAG SYSTEM HANDLING PRECAUTIONS |
This vehicle is equipped with an SRS (Supplemental Restraint System), which includes components such as the driver airbag and front passenger airbag. Failure to carry out service operations in the correct sequence could cause unexpected SRS deployment during servicing and may lead to a serious accident. Before servicing (including installation/removal, inspection and replacement of parts), be sure to read the precautionary notice for the Supplemental Restraint System (LandCruiser RM000000KT10NVX.html).
3.BUS LINE REPAIR |
After repairing the bus line with solder, wrap the repaired part with vinyl tape (LandCruiser RM000003YMI00MX.html).
- NOTICE:
- The CANL bus line and CANH bus line must be installed together.
- When installing the CAN bus lines, make sure to twist them.
- CAN bus lines are likely to be influenced by noise if the bus lines are not twisted together.
- Leave approximately 80 mm (3.15 in.) loose in the twisted wires around the connectors.
Do not use by-pass wiring between the connectors.
- NOTICE:
- The protective effect of the twisted wire harness will be lost if bypass wiring is used.
Text in Illustration *1 By-pass Wire
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4.CONNECTOR HANDLING |
When inserting probes into a connector, insert them from the rear of the connector.
Text in Illustration *1 Tester Probe Use a repair wire to check the connector if it is impossible to check resistance from the rear of the connector.
Text in Illustration *1 Repair Wire
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5.PRECAUTIONS WHEN REPLACING A GATEWAY FUNCTION EQUIPPED ECU (SUB BUS MONITOR ECU) WITH A USED ONE FROM ANOTHER VEHICLE |
When a gateway function equipped ECU (network gateway ECU) that was previously installed on another vehicle is used as a replacement part, it is necessary to initialize the connection information stored in the ECU.
- NOTICE:
- If the connection information stored in a gateway function equipped ECU that was previously installed on another vehicle is different from the actual ECUs and sensors connected to the corresponding bus, communication DTCs will be detected.
- HINT:
- When an ECU is replaced with one from a vehicle with the same options and specifications (the same connections to the corresponding bus), initialization of ECU connection information is not necessary.
Initialize the connection information of a gateway function equipped ECU (sub bus monitor ECU)
Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON.
Turn the intelligent tester on.
Enter the following menus: Body / Gateway or Main Body / Utility.
Select Initialization from Utility to initialize the ECU.