Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1992 Acura Integra GS-RFACTORY OEM SERVICE PROCEDURE
Coolant Temperature Sensor/Switch
- Remove coolant temperature switch or sensor. On Integra, switch is located on rear of engine cylinder block. On Legend and Vigor, sensor is located on thermostat housing.
- Suspend switch and a thermometer in a container partially filled with coolant. Heat coolant while monitoring temperature. Measure sensor resistance or check for continuity at temperatures specified. See COOLANT TEMPERATURE SENSOR/SWITCH SPECIFICATIONS table.
- If continuity or resistance is not as specified, replace sensor or switch. If continuity or resistance is as specified, check relay and all related wiring. See TIMER UNIT & FAN CONTROL UNIT.
COOLANT TEMPERATURE SENSOR/SWITCH SPECIFICATIONS
| Application & Temperature | Specification | |
|---|---|---|
| Integra | ||
| Less Than 190°F (88°C) | No Continuity | |
| Greater Than 191°F (89°C) | Continuity | |
| Legend | ||
| At 183°F (84°C) | 1047-1255 Ohms | |
| At 194°F (90°C) | 872-1024 Ohms | |
| At 230°F (110°C) | 489-541 Ohms | |
| Vigor | ||
| Less Than 190°F (88°C) | No Continuity | |
| Greater Than 191°F (89°C) | Continuity | |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.