DTC P1451: EVAP System Clog Detected (Pipe): Notes
DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to
OPERATION
, Clear Memory Mode, and Inspection Mode Ref. to
PROCEDURE
, Inspection Mode.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DRAIN TUBE BETWEEN CANISTER AND LEAK CHECK VALVE ASSEMBLY. | Is the drain tube between canister and leak check valve assembly clogged? | Replace the drain tube between the canister and leak check valve assembly. Ref. to CANISTER | Go to step 2 |
| 2 CHECK HOSE AND TUBE BETWEEN CANISTER AND FUEL TANK. | Are the hose and tube between the canister and fuel tank clogged? | Replace the hose or tube between the canister and fuel tank. Ref. to CANISTER Ref. to FUEL TANK | Replace the canister. Ref. to CANISTER After the operation is complete, go to the next step. Go to step 3 |
| 3 CHECK EVAPORATIVE EMISSION CONTROL SYSTEM. Perform drive cycle I. Ref. to DRIVE CYCLE I , PROCEDURE, Drive Cycle. |
Is DTC P1451 displayed on the display? | Replace the leak check valve assembly. Ref. to LEAK CHECK VALVE ASSEMBLY | End. |