Chrysler 2005 Crossfire SRT6 Service Manual page 2012

9 - 88 ENGINE - ELECTRICAL DIAGNOSTICS
(P0120) ELECTRONIC THROTTLE CONTROL MOTOR PERFORMANCE (CONTINUED)
24.
PCM
Note: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
If there are no possible causes remaining, review repair.
Repair
Replace and program the Powertrain Control Module. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/POWERTRAIN CONTROL MODULE - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
25.
TP SENSOR SWEEP
With the ignition on.
With the DRB III , monitor the TP 1 and TP 2 voltages.
Slowly depress the Accelerator Pedal from the idle position to the wide
open throttle position.
The voltage for TP Sensor 1 should start at approximately 0.75 volt
and increase to above 1.3 volts.
The voltage for TP Sensor 2 should start at approximately 4.2 volts
and decrease to approximately 3.6 volts.
Are the voltages within the range specified for the appropriate
TP Sensor?
Yes >> Go To 26
No >> Replace the Throttle Body. (Refer to 14 - FUEL SYSTEM/
FUEL INJECTION/THROTTLE BODY - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
26.
INTERMITTENT WIRING AND CONNECTORS
The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible
intermittent condition.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs.
Note: Check for any Technical Service Bulletins that may apply.
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.
Were there any problems found?
Yes >> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
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