Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p1451 evap system clog detected (pipe)

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.

STEPCHECKYESNO

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. Canister

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1451 EVAP SYSTEM CLOG DETECTED (PIPE)

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. Canister Fuel Tank

Replace the canister. Canister

After the operation is complete, go to the next step. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1451 EVAP SYSTEM CLOG DETECTED (PIPE)

3.CHECK EVAPORATIVE EMISSION CONTROL SYSTEM.

Perform drive cycle I. Drive Cycle > PROCEDURE

Is DTC P1451 displayed on the display-

Replace the leak check valve assembly. Leak Check Valve Assembly

End.

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P0455. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0455 EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)

Dtc p1492 coil 1 egr "a" control circuit low
NOTE:For the diagnostic procedure, refer to DTC P1498. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1498 COIL 4 EGR "A" CONTROL CIRCUIT LOW1. OUTLINE OF DIAGNOSISDetects open or sho ...

Dtc p1449 evap system clog detected (air filter)
DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and I ...

Other materials:

Adjustment
1. HEADLIGHT BEAM ADJUSTMENTCAUTION:• Turn off the light before adjusting the headlight beam level. If it is necessary to inspect the beam level, do not keep the light on for two minutes or more.• When blocking the light emitted from the headlight, use a light shield or equivalent.Do not ...

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