Engine Coolant Temperature Sender
- Using an ohmmeter, measure the resistance between the terminal 2 and ground.
- If the resistance value is not as shown in the table, replace the temperature sender.
TEMPERATURE AND RESISTANCE CHART - HI MODEL
| Temperature [°F(°C)] | 140 (60) | 185 (85) | 230 (110) | 257 (125) |
|---|---|---|---|---|
| Resistance (Ω) | 142 | 62 | 21.5 | 16.5 |
TEMPERATURE AND RESISTANCE CHART - LOW MODEL
| Temperature [°F(°C)] | Resistance (Ω) | Tolerance | Lamp |
|---|---|---|---|
| 131 (55) | 160 | ±3°C | Low temperature lamp (ON) |
| 140 (60) | 133 | ± 3°C | Low temperature lamp (OFF) |
| 248 (120) | 18.5 | ± 3°C | High temperature lamp (OFF) |
| 253 (123) | 16.5 | ± 3°C | High temperature lamp (ON) |