Chrysler 300M 2002 Service Manual page 2602

P0440-GENERAL EVAP SYSTEM FAILURE —
TEST
9 Turn the ignition off.
Disconnect the NVLD electrical harness connector.
Measure the resistance between the Ground circuit and ground.
Is the resistance below 5.0 ohms?
Yes → Go To 10
→ Repair the open in the Ground circuit.
No
10 Turn the ignition off.
Disconnect the NVLD electrical harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the NVLD Sense circuit from the NVLD electrical harness
connector to the appropriate terminal of the special tool #8815.
Is the resistance below 5.0 ohms?
Yes → NOTE: Before continuing, check the PCM harness connector
→ Repair the open in the NVLD Sense Circuit.
No
11 WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Review the DRBIII Freeze Frame information. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
NOTE: A loose gas cap could have caused this DTC to set. Make sure gas cap
is tight and in good condition. Ensure the gas cap meets OEM specifications.
Perform a visual and physical inspection of the entire Evaporative Emission system.
Check for the following conditions:
- Holes or cracks
- Loose seal points
- Evidence of damaged components
- Incorrect routing of hoses and tubes
- Fuel Cap gasket seal
Were any of the above conditions found?
Yes → Repair as necessary.
→ Test Complete.
No
ACTION
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.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - NGC
Continued
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APPLICABILITY
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