LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 1990 >> 325is Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Testing >> Coolant Temperature Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Coolant Temperature Sensor

The test terminal is 45 and ground. There are no test conditions. The correct test value should be that resistance varies with temperature.