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Home >> Toyota >> 2012 >> Avalon Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Smart Key System (Keyless Start) (Diagnostic Codes & Circuit Tests) >> Smart Key System >> DTC B2284: Brake Signal Malfunction >> Description
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DTC B2284: Brake Signal Malfunction: Description

This DTC is output when :1) the brake signal circuit between the power source control ECU and the stop light switch is malfunctioning; and 2) the cable and BEAN information are inconsistent.

DTC No. DTC Detection Condition Trouble Area
B2284 Cable and BEAN information between power source control ECU and stop light switch are inconsistent
  • Power source control ECU
  • Stop light switch
  • Wire harness