Home ReviewsRefund
Home/Ford/Escort/Ford Escort V (1990-1992)/Repair manual/Sensor Range Charts/Engine Controls - Sensor Operating Range Charts
Contents Section: Sensor Range Charts All sections

Engine Controls - Sensor Operating Range Charts Ford Escort V

Sensor Range Charts ~220 words

INTRODUCTION

Sensor operating range information can help determine if a sensor is out of calibration. An out-of-calibration sensor may not set a trouble code, but it may cause driveability problems. Refer to SYSTEM APPLICATION table to determine correct engine control system.

ApplicationSystem
1.8L & 2.2LEEC
5.8LMCU
All OthersEEC-IV

SYSTEM APPLICATION

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

ECT SENSOR

Temperature °F (°C)Ohms
68 (20)2200-2700
104 (40)1000-1300
140 (60)500-650
176 (80)290-350

ECT RESISTANCE

EGR VALVE POSITION (EVP) SENSOR

Percentage of EGRVolts
00.40-0.83
100.75-1.18
201.10-1.52
301.45-1.87
401.80-2.22
502.15-2.57
602.50-2.91
702.85-3.26
803.20-3.61
903.55-3.95
1003.90-4.30

EVP VOLTAGE

EXHAUST GAS OXYGEN (EGO) SENSOR

Condition(1) Voltage
Increasing Engine SpeedIncreases
Decreasing Engine SpeedDecreases
Engine At Idle0.2-0.8
(1) Measure between oxygen sensor and ground.
(1)Measure between oxygen sensor and ground.

EGO SENSOR VOLTAGE

VAF & VAT SENSORS

Door Position(1) Volts
Fully Closed3.90
1/8 Open3.24
1/4 Open5.60
3/8 Open5.62
1/2 Open5.83
5/8 Open6.02
3/4 Open6.57
7/8 Open7.46
Fully Open7.87
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

VAF VOLTAGE

Note. If using hot air gun to heat sensor, avoid overheating plastic or rubber components.

Temperature °F (°C)(1) Volts
20 (-6)3.64
30 (-1)3.36
40 (4)3.05
44 (7)2.79
50 (10)2.29
60 (16)2.61
70 (21)2.35
80 (27)2.05
90 (32)1.76
100 (38)1.57
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

VAT VOLTAGE

Temperature °F (°C)(1) Ohms
4 (-20)15,000
32 (0)5210
68 (20)2500
104 (40)1100
140 (60)600
176 (80)300
(1) Resistance may vary by 15 percent.
(1)Resistance may vary by 15 percent.

VAT RESISTANCE

THROTTLE POSITION SENSOR (TPS)

Throttle Position(1) Ohms(1) Volts
1/8 Open.998.989
1/4 Open1.1041.60
3/8 Open1.2782.37
1/2 Open1.4622.74
5/8 Open1.4803.15
3/4 Open1.4593.43
7/8 Open1.1443.60
Full Open1.0724.02
(1) Values may vary by 15 percent.
(1)Values may vary by 15 percent.

TPS VOLTAGE & RESISTANCE

ACT & ECT SENSORS

Temperature F (°C)(1) Volts(1) Ohms
50 (10)3.5158,700
68 (20)3.0737,300
86 (30)2.6024,200
104 (40)2.1316,150
122 (50)1.7010,970
140 (60)1.337700
158 (70)1.337700
176 (80).783840
194 (90).602800
212 (100).462007
(1) Values may vary by 15 percent.
(1)Values may vary by 15 percent.

ACT & ECT SENSORS SPECIFICATIONS

CYLINDER IDENTIFICATION (CID) SENSOR

ApplicationOhms
All Models (1)300-7000
(1) On 1.9L engines, CID sensor is located in crankshaft position sensor.
(1)On 1.9L engines, CID sensor is located in crankshaft position sensor.

CID SENSOR RESISTANCE

Percentage of EGR(1) Volts
00.40
100.75
201.10
301.45
401.80
502.15
602.50
702.85
803.20
903.55
1003.90
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

EVP VOLTAGE

Condition(1) Voltage
Increasing Engine SpeedIncreases
Decreasing Engine SpeedDecreases
Engine At Idle0.2-0.8
(1) Measure between oxygen sensor and ground.
(1)Measure between oxygen sensor and ground.

EGO SENSOR VOLTAGE

MASS AIRFLOW (MAF) SENSOR

Engine Condition (1)(2) Voltage
Idle.6
20 MPH1.1
40 MPH1.7
60 MPH2.1
(1) Engine at normal operating temperature. (2) Voltage may vary depending on vehicle load and temperature.
(1)Engine at normal operating temperature.
(2)Voltage may vary depending on vehicle load and temperature.

MAF SENSOR DATA SPECIFICATIONS

MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR

Manifold Vacuum In. Hg(1) Frequency Hz
0159
3150
6141
9133
12125
15117
18109
21102
2495
2788
3080
(1) Frequency value may vary by 15 percent.
(1)Frequency value may vary by 15 percent.

MAP SENSOR SPECIFICATIONS

Elevation (Feet)Volts
01.55-1.63
10001.52-1.60
20001.49-1.57
30001.46-1.54
40001.43-1.51
50001.40-1.48
60001.37-1.45
70001.35-1.43

MAP SENSOR VOLTAGE OUTPUT

Barometric Pressure In. Hg(1) Frequency Hz
17.1122.4
18.3125.5
19.5128.7
20.7131.9
21.8135.1
23.0138.3
24.2141.8
25.4145.4
26.6148.9
27.7152.5
28.9156.1
30.1159.6
31.0162.4
(1) Frequency value may vary by 15 percent.
(1)Frequency value may vary by 15 percent.

MAP/BP SENSOR SPECIFICATIONS

PRESSURE FEEDBACK EGR (PFE) SENSORS

Pressure (psi)(1) Voltage
1.824.75
1.364.38
0.914.00
0.463.63
0.03.25
2.471.22
3.630.25
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

PFE SENSOR SPECIFICATIONS

DELTA PRESSURE FEEDBACK EGR (DPFE)

Pressure (psi)(1) Voltage
4.344.56
3.253.54
2.172.51
1.081.48
00.45
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

DPFE SENSOR SPECIFICATIONS

MANUAL LEVER POSITION (MLP) SENSOR

Position(1) Voltage(1) Ohms
P4.414160
R3.601440
N2.832733
D2.09401
1.6881
(1) Value may vary by 15 percent.
(1)Value may vary by 15 percent.

MLP SENSOR SPECIFICATIONS

Throttle Angle(1) Volts
0°0.50
10°0.97
20°1.44
30°1.90
40°2.37
50°2.84
60°3.31
70°3.78
80°4.24
(1) Voltage may vary by 15 percent.
(1)Voltage may vary by 15 percent.

TPS VOLTAGE

TRANSMISSION OIL TEMPERATURE (TOT) SENSOR

Temperature °F (°C)(1) Volts(1) Ohms
32 (0)3.8896,255
41 (5)3.7175,201
50 (10)3.5359,175
59 (15)3.3246,883
68 (20)3.1037,387
77 (25)2.8630,000
86 (30)2.6224,215
95 (35)2.3819,657
104 (40)2.1516,043
113 (45)1.9213,161
122 (50)1.7110,050
131 (55)1.518990
140 (60)1.337487
149 (65)1.176265
158 (70)1.035260
167 (75).904450
176 (80).783775
185 (85).693215
194 (90).602750
200 (95).522361
(1) Value may vary by 15 percent.
(1)Value may vary by 15 percent.

TOT SENSOR (AXODE) SPECIFICATIONS

EVR SENSOR

ApplicationOhms
5.8L20-45

EVR SOLENOID RESISTANCE

HEATED EXHAUST GAS OXYGEN (HEGO) SENSOR

Condition(1) Voltage
Increasing Engine SpeedIncreases
Decreasing Engine SpeedDecreases
Engine At Idle0.2-0.6
(1) Measure between HEGO sensor and ground.
(1)Measure between HEGO sensor and ground.

HEATED EXHAUST GAS OXYGEN SENSOR VOLTAGE