Chrysler 2005 Crossfire SRT6 Service Manual page 1987

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(P0116) ENGINE COOLANT TEMPERATURE SENSOR PERFORMANCE (CONTINUED)
When Monitored and Set Condition
• When Monitored: With the engine running and no fault in the throttle valve actuator.
• Set Condition: LOW LIMIT: The ECT Sensor value is less than -39°C (-38°F ) for more than 1 second. HIGH
LIMIT: The ECT Sensor value is more than 170°C (338°F) for more than 1 second. CLOSED LOOP TEMPER-
ATURE NOT REACHED: The engine coolant temperature does not reach 15°C (60°F) in a predetermined time.
Failure time varies from 2 to 20 minutes and is calculated from start up temperature, engine speed, and ambi-
ent temperature.
ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND
ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
IMPROPER COOLANT LEVEL
ENGINE COOLANT THERMOSTAT
ENGINE COOLANT TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Note: Low engine coolant level can be the cause of this DTC. If
the fluid level is low locate and repair any leaks before diagnos-
ing this DTC.
Note: Always perform diagnostics with a fully charged battery.
Note: Check connectors — Clean/repair as necessary. Poor pin to
terminal connections can set DTCs.
Note: Check for applicable TSBs.
Turn the ignition on.
With the DRB III , read PCM DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and
connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
Continue
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ENGINE - ELECTRICAL DIAGNOSTICS 9 - 63
POSSIBLE CAUSES