DTC P1451 Evaporative Emission Cont. SYS.: DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
- Detected when two consecutive driving cycles with fault occur.
- GENERAL DESCRIPTION <Ref. to DTC P1451 EVAPORATIVE EMISSION CONT. SYS. , Diagnostic Trouble Code (DTC) Detecting Criteria.>
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.>.
DIAGNOSTIC PROCEDURE
| 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 LEAK CHECK VALVE ASSEMBLY .> | Go to step 2. |
| 2 CHECK HOSES BETWEEN CANISTER AND FUEL TANK. | Are the hoses between the canister and fuel tank clogged? | Replace the hoses 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. |