Chrysler 300M 2002 Service Manual page 2618

P0453-NVLD PRESSURE SWITCH SENSE CIRCUIT HIGH —
TEST
6 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 7
→ Repair the open in the Ground circuit.
No
7 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 Switch Sense circuit from the NVLD electrical
harness connector to the appropriate terminal of 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
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.
DRIVEABILITY - NGC
189
Continued
APPLICABILITY
All
All