DESCRIPTION The tire pressure warning ECU and receiver receives signals from the combination meter assembly via CAN communication. If a malfunction occurs in this communication line, DTC C2178 is output.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Perform On-vehicle Inspection of the meter/gauge system. Click here HINT: Check the meter function by referring to On-vehicle Inspection for the combination meter assembly.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Hv Model): Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS NOTICE: Operation history is stored in the RAM or EEPROM of the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) auxiliary battery terminal, do not disconne ...