Sensor Operating Specifications

NOTE: Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance.

AIRFLOW SENSOR RESISTANCE⁽¹⁾

Application

Terminals No.

Ohms

1.8L & 2.0L Non-Turbo

4 & 6

⁽²⁾ *

2.0L Turbo

6 & 8

⁽²⁾ *

⁽¹⁾	For testing procedure, see SYSTEM/COMPONENT TESTS article in this section.

⁽²⁾	Resistance should be approximately 6000 ohms at 32°F (0°C), 2700 ohms at 68°F (20°C) and 400 ohms at 176°F (80°C).

COOLANT TEMPERATURE SENSOR RESISTANCE⁽¹⁾

Temperature: °F (°C)

Ohms

32 (0)

5900

68 (20)

2700

104 (40)

2500

176 (80)

300

⁽¹⁾	For testing, see SYSTEM/COMPONENT TESTS article in this section.

EGR TEMPERATURE SENSOR RESISTANCE⁽¹⁾

Temperature: °F (°C)

Ohms

122 (50)

6000-8300

212 (100)

1100-1400

⁽¹⁾	For testing, see SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE section.

IDLE SPEED MOTOR POSITION SENSOR RESISTANCE(1.8L) ⁽¹⁾

Terminals No.

Ohms

2 & 3

4000-6000

3 & 5

⁽²⁾ 4000-6000

⁽¹⁾	For testing, see SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE section.

⁽²⁾	With idle speed control plunger activated.

OXYGEN SENSOR VOLTAGE⁽¹⁾

Application

Volts

1.8L

⁽²⁾ .6-1.0

2.0L

⁽³⁾ *

⁽¹⁾	For testing procedure, see SYSTEM/COMPONENT TESTS article in this section.

⁽²⁾	Warm engine until coolant temperature reaches 176-194°F (80-90°C). Measure voltage with engine running at more than 1300 RPM.

⁽³⁾	For sensor voltage range and testing procedure, see SYSTEM/COMPONENT TESTS article in this section.

THROTTLE POSITION SENSOR RESISTANCE⁽¹⁾

Terminals No.

Ohms

1 & 4

3500-6500

2 & 4

3500-6500

⁽¹⁾	Operate throttle valve slowly from idle position to full open position. Check if resistance changes smoothly in proportion to throttle valve opening angle.

VEHICLE SPEED SENSOR RESISTANCE⁽¹⁾

Application

Ohms

All Models

⁽²⁾ *

⁽¹⁾	For testing, see SYSTEM/COMPONENT TESTS article in this section.

⁽²⁾	Connect ohmmeter across reed switch terminals, and rotate speedometer cable. Ohmmeter reading should fluctuate between continuity and no continuity.