B2274
DTC B2274 ACC Monitor MalfunctionDESCRIPTION
DTC Detection Condition:
This DTC is output when there is a problem in the ACC output circuit, which is from the inside of the power source control ECU to the ACC or PWR POINT relay.
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:
Step 1 (Continued)-3:
Step 4-5:
Step 5 (Continued)-7:
Step 8-9:
INSPECTION PROCEDURE