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P0440-GENERAL EVAP SYSTEM FAILURE —
TEST
9
Turn the ignition off.
Disconnect the NVLD electrical harness connector.
Measure the resistance between the (Z1) Ground circuit and ground.
Is the resistance below 5.0 ohms?
Yes → Go To 10
→ Repair the open in the (Z1) 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 (K107) NVLD Switch Signal 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 (K107) NVLD Switch Signal Circuit.
No
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
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 - NGC.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
DRIVEABILITY - NGC
Continued
165
APPLICABILITY
All
All
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