Sensor Range Charts: Introduction: Notes

Sensor operating range information is supplied so that it can be determined if a sensor is out of calibration. A sensor that is out of calibration may not set a trouble code; however, it may cause driveability problems. See Fig 1 .

Fig 1: ECU Terminal Identification

Courtesy of CHRYSLER MOTORS.

AIRFLOW METER VOLTAGE TEST

Application

ECU Terminals

⁽¹⁾ Volts

All Engines

10 & 14

2.2-3.2

⁽¹⁾	With engine running.

BAROMETRIC PRESSURE SENSOR VOLTAGE TEST ⁽¹⁾

Pressure psi (kPa)

Volts

12.8 (88)

3.5

14.7 (101)

⁽¹⁾	Measure voltage from ECU terminal No. 16 to ground.

COOLANT TEMPERATURE SENSOR RESISTANCE TEST ⁽¹⁾

Temperature °F (°C)

Resistance Ohms

32 (0)

5900

68 (20)

2500

104 (40)

1100

176 (80)

300

⁽¹⁾	Measure resistance across disconnected sensor terminals.