DTC P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range / Performance: DTC Detecting Condition

Detected when two consecutive driving cycles with fault occur.
GENERAL DESCRIPTION < Ref. to DTC P2431 SECONDARY AIR INJECTION SYSTEM AIR FLOW/PRESSURE SENSOR CIRCUIT RANGE / PERFORMANCE , Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After repairing or replacing the defective part, perform the Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode> and Inspection Mode < Ref. to PROCEDURE , Inspection Mode >.