Operation CHARM: Car repair manuals for everyone.
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)

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Coolant Temperature Sensor/Switch (For Computer)

Engine Coolant Temperature Sensor





NOTE: The chart applies to Engine Coolant Temperature sensor G62 and Intake Air Temperature sensor G42.


The chart is divided into two temperature ranges:
A - from 0 to 50 °C
B - from 50 to 105 °C

Examples:
- 30 °C is in range A and corresponds to a resistance of 1.5 to 2.0 Kilo Ohms
- 80 °C is in range B and corresponds to a resistance of 275 to 375 Ohms