Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE - P0498-NVLD CANISTER VENT VALVE SOLENOID CIRCUIT LOW
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Start by reading PCM DTC(s) and record the related Freeze Frame data in any DTC(s) are present. Check the vehicle repair history. If the vehicle has a repair history that pertains to the customer's current complaint, review the repair. Inspect the vehicle for any aftermarket accessories that may have been installed incorrectly. Check for any service bulletin(s) related to the customer's complaint or DTC(s). If a service bulletin applies, follow the instructions per service bulletin. Did the service bulletin repair the customer's complaint? Yes --> Testing Complete. Perform POWERTRAIN VERIFICATION TEST VER - 5 . No --> Go To 2 |
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| 2 | Ignition on, engine not running. With the DRBIII®, read DTCs and record the related Freeze Frame data. Is the Good Trip Counter displayed and equal to zero? Yes --> Go To 3 No --> Refer to the INTERMITTENT CONDITION . Perform POWERTRAIN VERIFICATION TEST VER - 5 . |
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| 3 | Turn the ignition off. Disconnect the NVLD electrical harness connector. Measure the resistance of the NVLD Solenoid coil. Is the resistance between 7.5 to 8.5 ohms? Yes --> Go To 4 No --> Replace the NVLD Assembly. Perform POWERTRAIN VERIFICATION TEST VER - 5 . |
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| 4 | Disconnect the PCM harness connector. Measure the resistance between ground and the NVLD Sol Control circuit at the NVLD electrical harness connector. Is the resistance below 5.0 ohms? Yes --> Repair the short to ground in the NVLD Solenoid Control circuit. Perform POWERTRAIN VERIFICATION TEST VER - 5 . No --> Go To 5 |
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| 5 |
NOTE:
Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.If there are no possible causes remaining, view repair.RepairReplace and program the Powertrain Control Module per Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 . |
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