DTC P1451 Evaporative Emission Cont. SYS.: DTC Detecting Condition
- Detected when 2 consecutive driving cycles with fault occur.
- GENERAL DESCRIPTION. Refer to DTC P1451 EVAPORATIVE EMISSION CONT. SYS. .
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode and Inspection Mode. Refer to
OPERATION and
PROCEDURE .
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. Refer to CANISTER . | 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. Refer to CANISTER and FUEL TANK . | Replace the canister. Refer 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. Refer to DRIVE CYCLE I . |
Is DTC P1451 displayed on the display? | Replace the leak check valve assembly. Refer to LEAK CHECK VALVE ASSEMBLY . | End. |