DTC B2274: ACC Monitor Malfunction: Description
This DTC is stored when a malfunction in the ACC output circuit between the ACC output terminal of the power source control ECU and the ACC relay is detected.
HINT:
- When the power source control ECU is replaced with a new one and the cable is connected to the negative (-) battery terminal, the power source mode changes to on (IG).
- When the battery cable is disconnected and reconnected, the power source returns to the mode it was in before the battery cable was disconnected.
| DTC Code | DTC Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2274 | Malfunction in the ACC relay activation circuit in the power source control ECU or the external circuit (1-trip detection logic*). HINT: When the voltage at terminal ACCD is not at the standard, the system is determined to be malfunctioning. |
|
Wait 10 seconds after turning the engine switch on (ACC) or on (IG), and then wait another 10 seconds after turning the engine switch off. HINT: To turn the engine switch on (ACC), carry the electrical key transmitter and press the engine switch with the shift lever in P (for Automatic Transaxle) and the brake pedal (for Automatic Transaxle) or clutch pedal (for Manual Transaxle) released. |
- *: Only output while a malfunction is present and the engine switch is on (IG)
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
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