Chrysler 2005 Crossfire SRT6 Service Manual page 2032

9 - 108 ENGINE - ELECTRICAL DIAGNOSTICS
(P0123) APPS SIGNAL 1 CIRCUIT HIGH (CONTINUED)
5.
CHECK THE PCM
Turn the ignition on.
Connect a jumper wire between the APP Sensor 5-Volt Supply circuit
and the APP Sensor Signal 1 circuit at the APP Sensor harness con-
nector.
With the DRB III , read the APP 1 voltage.
Note: Remove the jumper wire after this step has been com-
pleted.
Is the voltage above 4.7 volts?
Yes >> Replace the Accelerator Pedal Position Sensor. (Refer to
14 - FUEL SYSTEM/FUEL INJECTION/ACCELERATOR
PEDAL - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Go To 9
6.
SENSOR GROUND CIRCUIT OPEN
With the ignition off.
Measure the resistance of the Sensor Ground circuit from APP Sensor
harness connector cavity 6 to PCM C4 harness connector cavity 6.
Is the resistance below 5.0 ohms?
Yes >> Go To 9
No >> Repair the Sensor Ground circuit for an open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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