EGR gas temperature sensor 1 (front of exhaust manifold) is a thermistor-type sensor in which electric resistance decreases as temperature increases.
1) Inspect EGR gas temperature sensor 1 (exhaust manifold side) for the following.
1) Measure the resistance using a DMM.
| Temperature |
Resistance |
| 100 ℃ { 212 °F } |
371 kΩ |
| 150 ℃ { 302 °F } |
91.4 kΩ |
| 200 ℃ { 392 °F } |
30.3 kΩ |
| 250 ℃ { 482 °F } |
12.4 kΩ |
| 300 ℃ { 572 °F } |
5.92 kΩ |
| 350 ℃ { 662 °F } |
3.09 kΩ |
| 400 ℃ { 752 °F } |
1.77 kΩ |
| 450 ℃ { 842 °F } |
1.10 kΩ |
| 500 ℃ { 932 °F } |
0.724 kΩ |
| 550 ℃ { 1,022 °F } |
0.502 kΩ |
| 600 ℃ { 1,112 °F } |
0.363 kΩ |
| 650 ℃ { 1,202 °F } |
0.270 kΩ |
| 700 ℃ { 1,292 °F } |
0.207 kΩ |
| 750 ℃ { 1,382 °F } |
0.163 kΩ |
| 800 ℃ { 1,472 °F } |
0.131 kΩ |
| 850 ℃ { 1,562 °F } |
0.107 kΩ |
| 900 ℃ { 1,652 °F } |
0.089 kΩ |