Honda Civic Service Manual page 375

PCV System
DTC Troubleshooting
DTC P1505: PCV Air Leakage
1 . R e s e t t h e E C M ( s e e p a g e 1 1 - 4 ) .
2. Start the engine. Hold the engine at 3,000 rpm with
n o l o a d ( i n n e u t r a l ) u n t i l t h e r a d i a t o r f a n c o m e s o n
3. Let the engine idle tor al least 40 seconds with the
throttle fully closed.
4. Check for a DTC P1505 with the scan tool
ls DTC P1505 indicated?
YES-Check these parts for vacuum leaks l
. PCV valve
. PCV hose
. EVAP canister purge valve
. Throttle body
. Brake booster hose
NO - Intermittent failure, system is OK at this
t i m e . l
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