DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects an internal malfunction.
CAUTION / NOTICE / HINT NOTICE: When checking for DTCs, make sure that the blind spot monitor system is turned on. PROCEDURE
(a) Turn the engine switch off. (b) Turn the engine switch on (IG). (c) Recheck for DTCs and check if the same DTC is output again. Body Electrical > Blind Spot Monitor Master > Trouble CodesOK: No DTCs are output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit or IG hold circuit of the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2271 Ignition Hold Monitor Malfunction When either of the following conditions is me ...