LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2014 >> Prius Two >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Key System (For Start Function) (Diagnostic Codes & Symptom Tests) (Except Plug-In) >> SMART KEY SYSTEM (for Start Function) >> DTC B2284: Brake Signal Malfunction [10/2013 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B2284: Brake Signal Malfunction [10/2013 - ]: Description

The power management control ECU receives brake signal information from 2 sources. It receives a signal from the stop light switch assembly via a direct line, and a signal from the skid control ECU assembly via CAN. If the information from these 2 sources is inconsistent, this DTC will be stored.

DTC No. DTC Detection Condition Trouble Area
B2284 Stop light switch assembly operation information received by the power management control ECU from the stop light switch assembly via a direct line and stop light switch assembly information from the skid control ECU assembly via CAN are inconsistent.
  • STOP fuse
  • Stop light switch assembly
  • CAN communication system
  • Skid control ECU assembly
  • Power management control ECU
  • Wire harness or connector
scientia non olet · About LEMON Manuals