Engine Controls - Sensor Operating Range Charts: 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.
NOTE:
Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance.
CAMSHAFT POSITION SENSOR RESISTANCE
| Application |
Ohms |
| S-Type |
200-400 |
| XJR |
1850-2500 |
| XJ8 & XK8 |
| 1998 |
1850-2500 |
| 1999 |
|
CRANKSHAFT POSITION SENSOR RESISTANCE
| Application |
Ohms |
| S-Type |
|
| XJR |
950-1250 |
| XJ8 & XK8 |
| 1998 |
950-1250 |
| 1999 |
|
TEMPERATURE SENSOR RESISTANCE (S-TYPE)
| Temperature °F (°C) |
Ohms |
| 248 (120) |
1180 |
| 230 (110) |
1550 |
| 212 (100) |
2070 |
| 194 (90) |
2800 |
| 176 (80) |
3840 |
| 158 (70) |
5370 |
| 140 (60) |
7700 |
| 122 (50) |
10,970 |
| 104 (40) |
16,150 |
| 86 (30) |
24,270 |
| 68 (20) |
37,300 |
| 50 (10) |
58,750 |
| -40 (-40) |
92,500 |
IAT & ECT SENSOR RESISTANCE (XJR, XJ8 & XK8)
| Temperature °F (°C) |
Ohms |
| -4 (-20) |
15,000 |
| 32 (0) |
5740 |
| 68 (20) |
2450 |
| 104 (40) |
1150 |
| 140 (60) |
584 |
| 176 (80) |
320 |
| 212 (100) |
184 |
HEATED OXYGEN SENSOR VOLTAGE
| Condition |
Specification |
| Lean |
Less Than 400 Millivolts |
| Rich |
600 Millivolts To One Volt |
KNOCK SENSOR RESISTANCE
| Application |
K/Ohms |
| S-Type |
4500-5500 |
| XJR |
500-620 |
| XJ8 & XK8 |
| 1998 |
500-620 |
| 1999 |
|
TP SENSOR VOLTAGE
| Application |
Voltage |
| All Models |
|
MAF SENSOR VOLTAGE
| Application |
Voltage |
| S-Type |
|
| XJR |
.7-1.7 |
| XJ8 & XK8 |
| 1998 |
.7-1.7 |
| 1999 |
|