DPFE SENSOR
| Pressure Differential (PSI) | (1) Volts |
|---|
| 4.34 | 4.56 |
| 3.25 | 3.54 |
| 2.17 | 2.51 |
| 1.08 | 1.48 |
| 0 | 0.45 |
| (1) Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
| (1) | Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
ECT & IAT SENSORS
| Temperature: °F (°C) | (1) Volts | Ohms |
|---|
| 50 (10) | 3.52 | 58,750 |
| 68 (20) | 3.06 | 37,300 |
| 86 (30) | 2.62 | 24,270 |
| 104 (40) | 2.16 | 16,150 |
| 122 (50) | 1.72 | 10,970 |
| 140 (60) | 1.35 | 7600 |
| 158 (70) | 1.04 | 5370 |
| 176 (80) | 0.80 | 3840 |
| 194 (90) | 0.61 | 2800 |
| 212 (100) | 0.46 | 2070 |
| 230 (110) | 0.36 | 1550 |
| 248 (120) | 0.28 | 1180 |
| (1) Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
| (1) | Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
IAT & ECT SENSORS SPECIFICATIONS
EGR TEMPERATURE (EGRT) SENSOR
| Coolant Temperature °F (°C) | M Ohms |
|---|
| 68-120 (20-49) | 2.25-2.55 |
| 130-148 (55-65) | 1.75-2.25 |
| 150-165 (66-74) | 1.40-1.75 |
| 168-190 (76-88) | 1.00-1.40 |
EGRT SENSOR RESISTANCE SPECIFICATIONS
EVP VALVE POSITION SENSOR
| EGR Valve Opening (%) | (1) Volts |
|---|
| 0 | 0.40 |
| 10 | 0.75 |
| 20 | 1.10 |
| 30 | 1.45 |
| 40 | 1.80 |
| 50 | 2.15 |
| 60 | 2.50 |
| 70 | 2.85 |
| 80 | 3.20 |
| 90 | 3.55 |
| 100 | 3.90 |
| (1) Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
| (1) | Sensor voltages are based on a Voltage Reference (VREF) of 5 volts. Actual values may differ by as much as 15 percent because of sensor and VREF variations. |
HEATED OXYGEN SENSOR (HO2S)
| Condition | (1) Voltage |
|---|
| Rich | Increases |
| Lean | Decreases |
| (1) Measure between oxygen sensor connector and ground. Voltage should toggle above and below 0.45 volt when system is in closed loop. |
| (1) | Measure between oxygen sensor connector and ground. Voltage should toggle above and below 0.45 volt when system is in closed loop. |
MASS AIRFLOW (MAF) SENSOR
| Engine Condition (1) | (2) Volts |
|---|
| Idle | 0.8 |
| 20 MPH | 1.0 |
| 40 MPH | 1.7 |
| 60 MPH | 2.1 |
| (1) Engine at normal operating temperature. (2) Voltage may differ depending on engine load and temperature. |
| (1) | Engine at normal operating temperature. |
| (2) | Voltage may differ depending on engine load and temperature. |
MAP/BARO PRESSURE SENSOR
| Barometric Pressure (In. Hg) | (1) Frequency (Hz) |
|---|
| 17.1 | 122.4 |
| 18.3 | 125.5 |
| 19.5 | 128.7 |
| 20.7 | 131.9 |
| 21.8 | 135.1 |
| 23.0 | 138.3 |
| 24.2 | 141.8 |
| 25.4 | 145.4 |
| 26.6 | 148.9 |
| 27.7 | 152.5 |
| 28.9 | 156.1 |
| 30.1 | 159.6 |
| 31.0 | 162.4 |
| (1) Values may differ by as much as 6 Hz. |
| (1) | Values may differ by as much as 6 Hz. |
MAP/BARO FREQUENCY (BAROMETRIC PRESSURE)
| Manifold Vacuum (In. Hg) | (2) Frequency (Hz) |
|---|
| 0 | 159 |
| 3 | 150 |
| 6 | 141 |
| 9 | 133 |
| 12 | 125 |
| 15 | 117 |
| 18 | 109 |
| 21 | 102 |
| 24 | 95 |
| 27 | 88 |
| 30 | 80 |
| (1) Based on barometric pressure of 30.0 in. Hg. (2) Values may differ by as much as 6 Hz. |
| (1) | Based on barometric pressure of 30.0 in. Hg. |
| (2) | Values may differ by as much as 6 Hz. |
MAP/BARO FREQUENCY (MANIFOLD VACUUM) (1)
| Elevation (Feet) | Volts |
|---|
| 0 | 1.59 |
| 1000 | 1.56 |
| 2000 | 1.53 |
| 3000 | 1.50 |
| 4000 | 1.47 |
| 5000 | 1.44 |
| 6000 | 1.41 |
| 7000 | 1.39 |
MANUAL LEVER POSITION (MLP) SENSOR
| Position | (1) Volts | (1) Ohms |
|---|
| P | 4.41 | 4160 |
| R | 3.60 | 1440 |
| N | 2.83 | 733 |
| D | 2.09 | 401 |
| 2 | 1.37 | 211 |
| 1 | 0.68 | 81 |
| (1) Values may differ by as much as 15 percent. |
| (1) | Values may differ by as much as 15 percent. |
MLP SENSOR SPECIFICATIONS
PRESSURE FEEDBACK EGR (PFE) SENSOR
| Psi (1) | Volts |
|---|
| 1.82 psi | 4.75 |
| 1.36 | 4.38 |
| 0.91 | 4.00 |
| 0.46 | 3.63 |
| In. Hg (2) | Volts |
| 0 | 3.25 |
| 5.0 | 1.22 |
| 7.4 | 0.25 |
| (1) To avoid sensor damage, DO NOT exceed 1.82 psi Hg during testing. (2) To avoid sensor damage, DO NOT exceed 7.40 in. Hg during testing. |
| (1) | To avoid sensor damage, DO NOT exceed 1.82 psi Hg during testing. |
| (2) | To avoid sensor damage, DO NOT exceed 7.40 in. Hg during testing. |
THROTTLE POSITION SENSOR (TPS)
| 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 differ by as much as 15 percent. |
| (1) | Voltage may differ by as much as 15 percent. |
