B2284

DTC B2284 Brake Signal Malfunction

DESCRIPTION

DTC Detection Condition:

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 BEAN information is inconsistent.

HINT: When the power source control ECU 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.

Wiring Diagram:

Step 1-4:

Step 4 (Continued)-6:

Step 7-8:

INSPECTION PROCEDURE

HINT: Before performing the inspection, depress the brake pedal and check that the stop lights come on. If the stop lights do not come on when the brake pedal is depressed.