2006 DODGE RAM SRT-10 Service Repair Manual

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DODGE RAM SRT-10 2006  Service Repair Manual Theory of Operation
The engine coolant temperature sensor is a negative temperature coefficient thermistor-type sensor whose resis-
tance varies inversely with temperature. At cold temperatures the se

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DODGE RAM SRT-10 2006  Service Repair Manual 3.(K2) ECT SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
Turn the ignition off.
Disconnect the C1 PCM harness connector.
Measure the resistance between the (K900) Sensor ground circuit an

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DODGE RAM SRT-10 2006  Service Repair Manual 5.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

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DODGE RAM SRT-10 2006  Service Repair Manual P0118-ENGINE COOLANT TEMP SENSOR VOLTAGE TOO HIGH
For a complete wiring diagramRefer to Section 8W.

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DODGE RAM SRT-10 2006  Service Repair Manual When Monitored:
With the ignition on. Battery voltage greater than 10.4 volts.
Set Condition:
The Engine Coolant Temperature (ECT) sensor circuit voltage at the PCM is greater than 4.94 volts for more

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DODGE RAM SRT-10 2006  Service Repair Manual 3.(K2) ECT SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
Turn the ignition off.
Disconnect the C1 PCM harness connector.
Ignition on, engine not running.
Measure the voltage on the (K2) ECT Signal circuit

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DODGE RAM SRT-10 2006  Service Repair Manual 5.(K900) SENSOR GROUND CIRCUIT OPEN
Measure the resistance of the (K900) Sensor ground circuit from the
ECT Sensor harness connector to the PCM harness connector.
Is the resistance below 5.0 ohms?
Ye

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DODGE RAM SRT-10 2006  Service Repair Manual P0121-TP SENSOR VOLTAGE DOES NOT AGREE WITH MAP
For a complete wiring diagramRefer to Section 8W.