Chrysler 2005 Crossfire SRT6 Service Manual page 2359

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(P0412) SECONDARY AIR INJECTION SWITCHOVER SOLENOID CIRCUIT (CONTINUED)
3.
CHECK THE AIR PUMP SWITCHOVER SOLENOID
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 Air Pump Switchover Solenoid.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
With the DRB III , actuate the AIRPUMP SWITCHOVER.
Measure the voltage between the Fused Engine Control Relay Output
circuit and the Air Pump Switchover Solenoid Control circuit at the Air
Pump Switchover Solenoid harness connector.
Does the voltage toggle between B(+) and 0 volts?
Yes >> Replace the Air Pump Switchover Solenoid. (Refer to 25 -
EMISSIONS CONTROL/AIR INJECTION/SWITCHOVER
SOLENOID - REMOVAL)
Perform the POWERTRAIN VERIFICATION TEST - VER 2.
No >> Go To 4
4.
FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN
With the ignition on.
Measure the voltage of the Fused Engine Control Relay Output circuit
at the Air Pump Switchover Solenoid harness connector.
Is the voltage above 10 volts?
Yes >> Go To 5
No >> Repair the Fused Engine Control Relay Output circuit for
an open.
Perform the POWERTRAIN VERIFICATION TEST - VER
2.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 435