Chrysler 2005 Crossfire SRT6 Service Manual page 2413

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(P0456) EVAP SYSTEM: SMALL LEAK (CONTINUED)
When Monitored and Set Condition
• When Monitored: Engine Running. Cold start test. Fuel Level greater than 12%. Ambient Temperature between
4°C and 32°C (39°F and 89°F) Close Loop fuel system.
• Set Condition: The PCM activates the Evap Purge Solenoid to pull the Evap system into a vacuum. The PCM
turns the Evap Purge solenoid off to seal the Evap system. If the Fuel Tank Pressure Sensor reads between
-1.5 to +1.0 hPa (-0.0218 to 0.0145 psi) before the calibrated amount of time for a Medium leak/Small leak, an
error is detected. Two Trip Fault.
EVAPORATIVE EMISSION SYSTEM LEAK
FUEL TANK PRESSURE SENSOR
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
CHECK FOR CURRENT DTC
Turn the ignition on.
With the DRB III , read PCM DTCs.
Is this DTC present?
Yes >> For complete diagnosis of this DTC, refer to (P0455)
EVAP SYSTEM: LARGE LEAK.
No >> Go To 2
2.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using
the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the
wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were there any problems found?
Yes >> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 489
POSSIBLE CAUSES