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Crank Angle Sensor

See Fig 1 .

Fig 1: Diagnostic Fault Chart

G120234

Courtesy of CHRYSLER MOTORS.

EGR TEMPERATURE SENSOR RESISTANCE TEST ⁽¹⁾

Temperature °F (°C)

Resistance Ohms

122 (50)

60-83

212 (100)

11-14

⁽¹⁾	Measure resistance across disconnected sensor terminals.

INTAKE AIR TEMPERATURE SENSOR RESISTANCE ⁽¹⁾

Temperature °F (°C)

Resistance Ohms

32 (0)

6000

68 (20)

2700

176 (80)

400

⁽¹⁾	Measure resistance across disconnected sensor terminals.

OXYGEN SENSOR VOLTAGE TEST ⁽¹⁾

Condition ⁽²⁾

Volts

Lean

0.1

Rich

0.9

⁽¹⁾	Measure between sensor terminal No. 1 and ground.

⁽²⁾	Warm engine 190°F (90°C).

THROTTLE POSITION SENSOR RESISTANCE TEST

Position

⁽¹⁾ Terminal (Ground-Output)

Resistance Ohms

Closed

2-3

500

Open

2-3

3500-6500

⁽¹⁾	Measure resistance at disconnected sensor terminals.

TRANSMISSION TEMPERATURE SENSOR VOLTAGE TEST ⁽¹⁾

Temperature °F (°C)

Volts

176 (80)

1

68 (20)

2

⁽¹⁾	Measure voltage at sensor connector terminals.

VEHICLE SPEED SENSOR VOLTAGE TEST ⁽¹⁾

Reed Switch ⁽²⁾

Volts

On

1 or less

Off

4.5 or more

⁽¹⁾	Measure voltage between ECU terminal No. 28 and ground.

⁽²⁾	Roll vehicle to cycle reed switch on and off.