Chrysler 300M 2002 Service Manual page 2632

Symptom:
P0498-NVLD CANISTER VENT VALVE SOLENOID CIRCUIT LOW
When Monitored and Set Condition:
P0498-NVLD CANISTER VENT VALVE SOLENOID CIRCUIT LOW
When Monitored: Engine Running.
Set Condition: The PCM detects a short in the NVLD Canister vent solenoid circuits. One
trip Fault.
INTERMITTENT CONDITION
NVLD SOLENOID
NVLD SOLENOID CONTROL CIRCUIT SHORT TO GROUND
PCM
TEST
1 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 2
→ Go To 4
No
2 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 3
→ Replace the NVLD Assembly.
No
3 Turn the ignition off.
Disconnect the NVLD electrical harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the NVLD Solenoid 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.
→ NOTE: Before continuing, check the PCM harness connector
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
terminals for corrosion, damage or terminal push out. Repair as
necessary. Replace and program the Powertrain Control Module
in accordance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - NGC
203
APPLICABILITY
All
All
All