Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Engine Coolant Temperature Sensor Ohm Test:
1.
Disconnect Engine Coolant Temperature Sensor harness connector.
2.
Check resistance as shown in the figure.
Resistance Values: 2.1 - 2.9k Ohms at
20°C (68°F) 0.68 - 1.0k Ohms at
50°C (122°F) 0.30 - 0.33k Ohms at
80°C (176°F) If Not Good, replace Engine Coolant Temperature Sensor.