ENGINE (DIAGNOSTICS)(H4DOTC) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P1410 SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN

DTC DETECTING CONDITION:

Immediately at fault recognition

CAUTION:

After repairing or replacing the defective part, perform the Clear Memory Mode and Inspection Mode .

WIRING DIAGRAM:

• LHD model

• RHD model

STEPCHECKYESNO

1.CHECK SECONDARY AIR COMBINATION VALVE.

1) Remove the secondary air combination valve.

2) Blow in air from the secondary air combination valve air inlet, and check whether there are leaks at the pipe connections.

Are there apparent air leaks from the pipe connections?

Replace the secondary air combination valve on the side with the air leak.

Temporary poor contact occurs. Check the poor contact of connector.