Temperature Sending Unit Resistance Test
Remove temperature sending unit. Connect ohmmeter between sender terminal and body of sender. Check resistance while heating sender in water. See COOLANT TEMPERATURE SENDER RESISTANCE SPECIFICATIONS table. Replace sender if inaccurate.
COOLANT TEMPERATURE SENDER RESISTANCE SPECIFICATIONS
| Application |
Resistance (Ohms) |
| Camry, Corolla & Cressida |
| 122°F (50°C) |
190-260 |
| 140°F (60°C) |
152-154 |
| 239°F (115°C) |
24-28 |
| 239°F (115°C) |
23-28 |
| Celica, Land Cruiser & Tercel |
| 122°F (50°C) |
190-260 |
| 239°F (115°C) |
24-28 |
| Pickup & 4Runner |
| 140°F (60°C) |
143-174 |
| 239°F (115°C) |
22-26 |
| Supra |
| 122°F (50°C) |
162-232 |
| 140°F (60°C) |
150-156 |
| 239°F (115°C) |
24-29 |
| 239°F (115°C) |
17-21 |