LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1987 >> 626 Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH AFC >> Testing >> Coolant Temperature Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Temperature Sensor

Connect ohmmeter leads to both terminals of sensor. Readings should be as specified for corresponding temperatures. See COOLANT TEMPERATURE SENSOR RESISTANCE table. If not, replace coolant temperature sensor.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C) Resistance (Ohms)
-4°F (-20°C) 14,600-17,800
68 (20) 2250-2650
176 (80) 290-350