DESCRIPTION The multiplex tilt and telescopic ECU forms a network with the ECUs of other systems via CAN communication. Each ECU informs the other ECUs that it is connected to the network by sending a specified signal (periodic signal) onto the communication bus on a regular basis. The multiplex tilt and telescopic ECU receives vehicle speed signals from the combination meter assembly via the CAN communication bus to prevent improper operation of the auto away/return function while driving.
PROCEDURE
(a) Check for DTCs. Click here OK: DTCs are not output.
(a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON. (d) Turn the Techstream on. (e) Check the vehicle speed signal on the Techstream. (f) Enter the following menus: Body Electrical / Tilt & Telescopic / Data List. Body Electrical / Tilt & Telescopic / Data List
HINT: A vehicle speed of 3 km/h (2 mph) or more may be displayed on the Techstream immediately after the vehicle comes to a sudden stop. This is caused by a delay in vehicle signal received via CAN communication and is not a malfunction.
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Toyota Tundra Service Manual > Forward Recognition Camera System: Precaution
PRECAUTION PRECAUTION WHEN REPLACING COMBINATION METER ASSEMBLY (a) When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the ve ...
