Chrysler 2005 Crossfire SRT6 Service Manual page 3182

21 - 112 NAG1 - ELECTRICAL DIAGNOSTICS
(P0715) N3 INPUT SPEED SENSOR CIRCUIT (CONTINUED)
10.
CHECKING N3 INPUT SPEED SENSOR W/ LAB SCOPE
With the ignition off.
Reconnect the TCM C2 harness connector.
Reconnect the Transmission Solenoid Assembly harness connector.
Turn the ignition on.
With the DRB III /PEP Module being used as a Dual Channel Lab
Scope with Miller special tool #6801, backprobe N3 Input Speed Sen-
sor Signal circuit using Channel 1 at the TCM C2 harness connector.
WARNING: PROPERLY SUPPORT THE VEHICLE.
Raise all drive wheels off the ground.
Start the engine.
WARNING: BE SURE TO KEEP HANDS AND FEET CLEAR OF
ROTATING WHEELS.
Place gear selector in drive and increase vehicle speed to engage 2nd
gear.
Compare the scope pattern on the DRB III
square wave pattern.
Does the scope pattern match a typical 5 volt square wave signal scope pattern?
Yes >> Replace the Transmission Control Module. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MOD-
ULES/TRANSMISSION CONTROL MODULE - REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
No >> Replace the N3 Input Speed Sensor. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC -
NAG1/ELECTROHYDRAULIC UNIT - REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
11.
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.
Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were any problems found?
Yes >> Repair as necessary.
Perform NAG1 TRANSMISSION VERIFICATION TEST.
No >> Test Complete.
with a typical 5 volt
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