Chrysler 300M 2002 Service Manual page 2847

TRANSMISSION
Symptom:
P0715-INPUT SPEED SENSOR ERROR
When Monitored and Set Condition:
P0715-INPUT SPEED SENSOR ERROR
When Monitored: The transmission gear ratio is monitored continuously while the
transmission is in gear.
Set Condition: If there is an excessive change in the Input RPM in any gear.
INTERMITTENT WIRING AND CONNECTORS
INPUT SPEED SENSOR SIGNAL CIRCUIT OPEN
SPEED SENSOR GROUND CIRCUIT OPEN
INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND
INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
INPUT SPEED SENSOR
PCM - INPUT SPEED SENSOR
TEST
1 NOTE: Low fluid level can be the cause of many transmission problems. If
the fluid level is low locate and repair the leak then check and adjust the
fluid level per the Service Information.
NOTE: Always perform diagnostics with a fully charged battery to avoid
false symptoms.
With the DRBIII , read Engine DTC's. Check and repair all Engine DTC's prior to
performing any transmission symptom diagnostics.
With the DRBIII , read Transmission DTC's. Record all DTC's and 1 Trip Failures.
NOTE: Diagnose 1 Trip Failures as a fully matured DTC.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Repair as necessary.
Perform the Shift Lever Position Test. If the test does not pass, refer to Symptom test
for P0706 Check Shifter Signal.
For Gear Ratio DTC's, check and record all CVI's.
Most DTC's set on start up but some must be set by driving the vehicle such that all
diagnostic monitors have run.
NOTE: Verify flash level of Transmission Control Module. Some problems
are corrected by software upgrades to the Transmission Control Module.
NOTE: Check for applicable TSB's related to the problem.
Perform this procedure prior to Symptom diagnosis.
Continue
POSSIBLE CAUSES
ACTION
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APPLICABILITY
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