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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 88 (Smart Key System (Keyless Start) (2GR-FE) (Diagnostic Codes & Symptom Tests)) >> Smart Key System >> DTC B2284: Brake Signal Malfunction >> Description

DTC B2284: Brake Signal Malfunction: Description

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HINT: 

When the main body ECU (instrument panel junction block) is replaced with a new one and the negative (-) battery terminal is connected, the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.

After the main body ECU (instrument panel junction block) is replaced, perform the registration procedures for the engine immobiliser system, refer to REGISTRATION .

DTC No. DTC Detection Condition Trouble Area
B2284 The brake signal circuit between the main body ECU (instrument panel junction block) and the stop light switch is malfunctioning and the CAN information is inconsistent
  • Stop light switch
  • CAN communication system
  • ECM
  • Main body ECU (instrument panel junction block)
  • Wire harness or connector