DTC Troubleshooting: P0459(3.0L Engine): Inspection

EVAP Canister Purge Valve Component Inspection 

Test Procedure 

• Preparation
• • EVAP canister purge valve 2P connector: disconnected
• Procedure
• • Perform the inspection according to the following table.

			(Disconnected) EVAP canister purge valve 2P connector male terminals
		IG Mode	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
	Valve internal circuit inspection	OFF		About 23 - 26 Ohm (at room temperature)

Results 

• If it is abnormal, there is a problem with the EVAP canister purge valve.

PCS Shorted Wire Inspection 

NOTICE: 

Before disconnecting the PCM connector, jump the SCS line with the HDS, and wait more than 1 minute.

Test Procedure 

• Preparation
• • EVAP canister purge valve 2P connector: disconnected
  • PCM connector E (114P): disconnected
• Procedure
• • Perform the inspection according to the following table.

    Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.

			(Disconnected) EVAP canister purge valve 2P connector female terminals
		IG Mode	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
	PCS shorted to power inspection	ON		Not shorted

Results 

• If abnormal, there is a problem in the circuit.

PCM Inspection 

Test Procedure 

• If the other inspection item(s) indicated a normal condition, then it is determined that the remaining PCM is the cause.

Results 

• There is a problem with the PCM.