LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2011 >> Matrix Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Smart Key System (Keyless Start) (Diagnostic Codes & Circuit Tests)) >> Smart Key System >> DTC B2284: Brake Signal Malfunction >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B2284: Brake Signal Malfunction: Description

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

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