Chrysler 2005 Crossfire SRT6 Service Manual page 2019

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(P0121) APPS 5-VOLT SUPPLY CIRCUIT (CONTINUED)
4.
CHECK THE APPS
With the ignition on.
With the DRB III , clear PCM DTCs.
Note: It maybe necessary to road test the vehicle for this DTC to
set.
With the DRB III , read the PCM DTCs.
Did this DTC set again?
Yes >> Go To 9
No >> Replace the Accelerator Pedal Position Sensor. (Refer to
14 - FUEL SYSTEM/FUEL INJECTION/ACCELERATOR
PEDAL - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
5.
CHECK THE APP SENSOR 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
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 APP Sensor 5-Volt Supply circuit at the
APP Sensor harness connector.
Is the voltage below 1.0 volt?
Yes >> Go To 6
No >> Repair the APP Sensor 5-Volt Supply circuit for a short to
voltage.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 95