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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Engine Temperature Sensor

Temperature Sensor II (Engine Temperature)

Specification at
0° C / 32° F = 4.4 to 6.8 k-ohms
15 to 30° C / 59 to 86° F = 1.4 to 3.6 k-ohms
40° C / 104° F = 1.0 to 1.3 k-ohms
80° C / 176° F = 250 to 390 ohms
100° C / 212° F = 160 to 210 ohms
130° C / 265° F = 90 ohms