Chrysler 2005 Crossfire SRT6 Service Manual page 2349

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(P0403) EGR CONTROL CIRCUIT (CONTINUED)
When Monitored and Set Condition
• When Monitored: A constant engine speed between 900 and 1700 RPM and no other EGR or MAP sensor
faults.
• Set Condition: The PCM commands the EGR valve to open. The MAP sensor value must drop by a minimum
of 54 mbar (1.6 in Hg) when EGR is commanded open or a fault is set.
EGR SOLENOID CONTROL CIRCUIT OPEN
EGR SOLENOID CONTROL CIRCUIT SHORT TO GROUND
EGR SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN
EGR SOLENOID
POWERTRAIN CONTROL MODULE
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 (P0400) EGR
SYSTEM PERFORMANCE.
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.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 425
POSSIBLE CAUSES