DTC Troubleshooting: P0498(2.0L Engine): Inspection

EVAP Canister Vent Shut Valve Component Inspection

Test Procedure


		(Disconnected) EVAP canister vent shut valve 2P connectormale terminals
	IG Mode	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
Valve internal circuit inspection	OFF		About 25 - 30 Ohm (at room temperature)

Results

FI_SUB_RLY_OUT Circuit Inspection

Test Procedure


	(Disconnected) EVAP canister vent shut valve 2P connectorfemale terminals
IG Mode	Courtesy of HONDA, U.S.A., INC.	Normal Conditions

FI_SUB_RLY_OUT circuit inspection

12 V battery voltage [circuit type 1]

Results

If abnormal, there is a problem in the circuit.
If the power supply inspection of the above table showed abnormally, do the additional Power Supply Inspection , to locate the failure.

VSV Circuit 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 vent shut valve 2P connector: disconnected
- PCM connector A (50P): disconnected
Procedure
- Perform the inspection according to the following table.


		(Disconnected) EVAP canister vent shut valve 2P connectorfemale terminals	(Disconnected) PCM connector A (50P) - Refer to: PCM Connector for Inputs and Outputs(3.0L Engine) or PCM Connector for Inputs and Outputs(2.0L Engine) female terminals
	IG Mode	Courtesy of HONDA, U.S.A., INC.	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
VSV open wire inspection	OFF			There is less than 1 Ohm
Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.
VSV shorted to ground inspection	OFF			Not shorted

Results

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