Typical Scan Tool Data

2006 Pontiac Wave Base, 4D Sedan, Y4M/MLMSECTION Typical Scan Tool Data
ECT Sensor

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Engine operating in Closed Loop
Parameter Normal Range:  Varies with ambient temperature
ECT Sensor Signal 129°C (264°F), 0.0 Volts -40°C (-40°F), 5.0 Volts -40°C (-40°F), 5.0 Volts 1
Low Reference - -40°C (-40°F), 5.0 Volts -
1 ECM or sensor damage may occur if the circuit is shorted to B+.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.