DTC B2284: Brake Signal Malfunction [09/2014 - ]: Description
This DTC is stored when the brake signal sent via direct line and the brake signal sent via CAN communication do not match.
HINT:
When the cable is disconnected and reconnected to the negative (-) auxiliary battery terminal, the power source mode returns to the state it was in before the cable was disconnected.
| DTC Code | DTC Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2284 | The brake signal sent via direct line and the brake signal sent via CAN communication (1-trip detection logic*) do not match. |
|
Connect the cable to the negative (-) auxiliary battery terminal, release the brake pedal and wait 20 seconds or more. Then depress the brake pedal for 20 seconds or more. |
- *: Only detected while a malfunction is present and the power switch is on (IG)
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
With the electrical key transmitter sub-assembly in the cabin, even if a hybrid control system start operation is performed, the hybrid control system does not start (the multi-information display message (smart warning light) is not displayed). However, the hybrid control system can be started by turning the power switch on (ACC) and then pressing and holding it.
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RELATED DATA LIST AND ACTIVE TEST ITEMS
| DTC | Data List Item | Active Test Item |
|---|---|---|
| B2284 | Power Source Control
ABS/VSC/TRAC
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