LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 1985 >> Civic DX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Control System >> Description & Operation >> Coolant Temperature Sensor (TW Sensor)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Temperature Sensor (TW Sensor)

The TW sensor uses a temperature dependent diode (thermistor) to measure differences in coolant temperature. Basic discharge read out is by signals sent from this sensor through ECU. Resistance of thermistor decreases with a rise in coolant temperature.