Dodge 2004 Neon SX2 Diagnostic Manual page 507

P0452-NVLD PRESSURE SWITCH SENSE CIRCUIT LOW —
TEST
7 Turn the ignition off.
Disconnect the EVAP Purge Solenoid harness connector.
Disconnect the Powertrain Control Module harness connectors.
Measure the resistance between ground and the (K52) EVAP Purge Sol Control
circuit at the EVAP Purge Solenoid harness connector.
Is the resistance below 5.0 ohms?
Yes → Repair the short to ground in the (K52) EVAP Purge Sol Control
No
ACTION
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
→ NOTE: Before continuing, check the PCM harness connector
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.
DRIVEABILITY - NGC
171
Continued
APPLICABILITY
All