Chrysler 2005 Crossfire SRT6 Service Manual page 2364

9 - 440 ENGINE - ELECTRICAL DIAGNOSTICS
(P0418) SECONDARY AIR INJECTION SYSTEM CONTROL CIRCUIT (CONTINUED)
3.
POWERTRAIN CONTROL MODULE
Note: Check the Engine Control Fuse 2 in the Relay Control Mod-
ule. If it is open, multiple DTCs will be set in the PCM. Determine
the cause of the open fuse before continuing using the wiring
diagrams/schematics as a guide.
Turn the ignition off.
Disconnect the PCM C4 harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Air Pump Relay Control circuit at the PCM
C4 harness connector.
Is the voltage above 10 volts?
Yes >> Go To 4
No >> Go To 6
4.
AIR PUMP RELAY CONTROL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Relay Control Module A harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Air Pump Relay Control circuit at the PCM
C4 harness connector.
Is the voltage below 1.0 volt?
Yes >> Go To 5
No >> Repair the Air Pump Relay Control circuit for a short to
voltage.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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