Chrysler 300M 2002 Service Manual page 2615

DRIVEABILITY - NGC
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 EVAP Purge Solenoid Control circuit
at the EVAP Purge Solenoid harness connector.
Is the resistance below 5.0 ohms?
Yes → Repair the short to ground in the EVAP Purge Solenoid Control
→ NOTE: Before continuing, check the PCM harness connector
No
8 NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
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.
Visually inspect the related wire harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions found?
Yes → Repair as necessary.
→ Test Complete.
No
ACTION
circuit.
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.
186
Continued
APPLICABILITY
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